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TPS61014DGS

TPS61014DGS

  • 厂商:

    BURR-BROWN(德州仪器)

  • 封装:

    VSSOP10

  • 描述:

    TPS61014 LOW INPUT VOLTAGE SYNCH

  • 数据手册
  • 价格&库存
TPS61014DGS 数据手册
Sample & Buy Product Folder Support & Community Tools & Software Technical Documents TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 TPS6101x High-Efficiency, 1-Cell and 2-Cell Boost Converters 1 Features 3 Description • The TPS6101x devices are boost converters intended for systems that are typically operated from a singleor dual-cell nickel-cadmium (NiCd), nickel-metal hydride (NiMH), or alkaline battery. 1 • • • • • • • • • • Integrated Synchronous Rectifier for Highest Power Conversion Efficiency (> 95%) Start-Up Into Full Load With Supply Voltages as Low as 0.9 V, Operating Down to 0.8 V 200-mA Output Current From 0.9-V Supply Powersave-Mode for Improved Efficiency at Low Output Currents Autodischarge Allows to Discharge Output Capacitor During Shutdown Device Quiescent Current Less Than 50 μA Ease-of-Use Through Isolation of Load From Battery During Shutdown of Converter Integrated Antiringing Switch Across Inductor Integrated Low Battery Comparator Micro-Small 10-Pin MSOP or 3 mm x 3 mm QFN Package EVM Available (TPS6101xEVM-157) 2 Applications • All – – – – – Single- or Dual-Cell Battery Operated Products Internet Audio Players Pager Portable Medical Diagnostic Equipment Remote Control Wireless Headsets Simplified Application Circuit L1 CIN 7 SW 6 VBAT VOUT 5 9 LBI R2 OFF OFF COUT R3 R1 ON 1 ON 8 LBO 10 Low Battery Warning TPS61016 EN COMP GND 4 The converter is based on a fixed frequency, current mode, pulse-width-modulation (PWM) controller that goes automatically into power save mode at light load. It uses a built-in synchronous rectifier, so, no external Schottky diode is required and the system efficiency is improved. The current through the switch is limited to a maximum value of 1300 mA. The converter can be disabled to minimize battery drain. During shutdown, the load is completely isolated from the battery. An autodischarge function allows discharging the output capacitor during shutdown mode. This is especially useful when a microcontroller or memory is supplied, where residual voltage across the output capacitor can cause malfunction of the applications. When programming the ADEN-pin, the autodischarge function can be disabled. A low-EMI mode is implemented to reduce interference and radiated electromagnetic energy when the converter enters the discontinuous conduction mode. The device is packaged in the micro-small space saving 10-pin MSOP package. The TPS61010 is also available in a 3 mm x 3 mm 10-pin QFN package. Device Information(1) PART NUMBER TPS61010 PACKAGE VSSOP (10) VSON (10) BODY SIZE (NOM) 3.00 mm x 3.00 mm TPS61011 FB ADEN VOUT The converter output voltage can be adjusted from 1.5 V to a maximum of 3.3 V, by an external resistor divider or, is fixed internally on the chip. The devices provide an output current of 200 mA with a supply voltage of only 0.9 V. The converter starts up into a full load with a supply voltage of only 0.9 V and stays in operation with supply voltages down to 0.8 V. TPS61012 3 2 TPS61013 RC TPS61014 CC1 CC2 VSSOP (10) 3.00 mm x 3.00 mm TPS61015 TPS61016 (1) For all available packages, see the orderable addendum at the end of the datasheet. 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 www.ti.com Table of Contents 1 2 3 4 5 6 7 8 9 Features .................................................................. Applications ........................................................... Description ............................................................. Revision History..................................................... Device Comparison Table..................................... Pin Configuration and Functions ......................... Specifications......................................................... 1 1 1 2 3 3 4 7.1 7.2 7.3 7.4 7.5 7.6 4 4 4 4 5 7 Absolute Maximum Ratings ...................................... ESD Ratings.............................................................. Recommended Operating Conditions....................... Thermal Information .................................................. Electrical Characteristics .......................................... Typical Characteristics .............................................. Parameter Measurement Information ................ 11 Detailed Description ............................................ 12 9.1 Overview ................................................................. 12 9.2 Functional Block Diagram ....................................... 12 9.3 Feature Description................................................. 13 9.4 Device Functional Modes........................................ 15 10 Application and Implementation........................ 16 10.1 Application Information.......................................... 16 10.2 Typical Applications .............................................. 16 11 Power Supply Recommendations ..................... 25 12 Layout................................................................... 25 12.1 Layout Guidelines ................................................. 25 12.2 Layout Example .................................................... 25 12.3 Thermal Considerations ........................................ 27 13 Device and Documentation Support ................. 28 13.1 13.2 13.3 13.4 13.5 13.6 Device Support .................................................... Related Links ........................................................ Community Resources.......................................... Trademarks ........................................................... Electrostatic Discharge Caution ............................ Glossary ................................................................ 28 28 28 28 28 28 14 Mechanical, Packaging, and Orderable Information ........................................................... 28 4 Revision History Changes from Revision E (December 2014) to Revision F Page • Moved Storage temperature range, Tstg to the Absolute Maximum Ratings .......................................................................... 4 • Changed Handling Ratings To ESD Ratings.......................................................................................................................... 4 • Changed RθJA = 294°C/W" To: RθJA = 161.8°C/W in Thermal Considerations .................................................................... 27 • Changed text "maximum power dissipation is about 130 mW." To: "maximum power dissipation is about 247 mW." in Thermal Considerations ................................................................................................................................................... 27 • Changed Equation 8 From: = 136 mW To: = 247 mW ........................................................................................................ 27 Changes from Revision D (June 2005) to Revision E • 2 Page Added Pin Configuration and Functions section, Handling Rating table, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section ................................................................................................................................................................................... 1 Submit Documentation Feedback Copyright © 2000–2015, Texas Instruments Incorporated Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 www.ti.com SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 5 Device Comparison Table TA OUTPUT VOLTAGE (V) PART NUMBER (1) Adjustable from 1.5 to 3.3 TPS61010DGS AIP 1.5 TPS61011DGS AIQ 1.8 TPS61012DGS AIR 2.5 TPS61013DGS AIS 2.8 TPS61014DGS AIT 3.0 TPS61015DGS AIU 3.3 TPS61016DGS AIV Adjustable from 1.5 to 3.3 TPS61010DRC AYA –40°C to 85°C (1) (2) PACKAGE (2) MARKING DGS PACKAGE 10-Pin MSOP 10-Pin QFN The DGS package and the DRC package are available taped and reeled. Add a R suffix to device type (for example, TPS61010DGSR or TPS61010DRCR) to order quantities of 3000 devices per reel. The DRC package is also available in mini-reels. Add a T suffix to the device type (for example, TPS61010DRCT) to order quantities of 250 devices per reel. For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI Web site at www.ti.com. 6 Pin Configuration and Functions DGS PACKAGE 10 PINS (TOP VIEW) DRC PACKAGE 10 PINS (TOP VIEW) EN 1 10 LBO COMP 2 9 LBI FB 3 8 ADEN GND 4 7 SW VOUT 5 6 VBAT EN 1 10 LBO COMP 2 9 LBI FB 3 GND 4 VOUT 5 8 ADEN Thermal Pad 7 SW 6 VBAT Pin Functions PIN NAME DRG NO. DRC NO. I/O ADEN 8 8 I Autodischarge output. The autodischarge function is enabled if this pin is connected to VBAT, it is disabled if ADEN is tied to GND. COMP 2 2 I Compensation of error amplifier. Connect an R/C/C network to set frequency response of control loop. I Chip-enable input. The converter is switched on if this pin is set high, it is switched off if this pin is connected to GND. EN 1 1 I DESCRIPTION Feedback input for adjustable output voltage version TPS61010. Output voltage is programmed depending on the output voltage divider connected there. For the fixed output voltage versions, leave FBpin unconnected. FB 3 3 GND 4 4 LBI 9 9 I Low-battery detector input. A low battery warning is generated at LBO when the voltage on LBI drops below the threshold of 500 mV. Connect LBI to GND or VBAT if the low-battery detector function is not used. Do not leave this pin floating. LBO 10 10 O Open-drain low-battery detector output. This pin is pulled low if the voltage on LBI drops below the threshold of 500 mV. A pullup resistor must be connected between LBO and VOUT. SW 7 7 I Switch input pin. The inductor is connected to this pin. VBAT 6 6 I Supply pin VOUT 5 5 O Output voltage. Internal resistor divider sets regulated output voltage in fixed output voltage versions. Ground Copyright © 2000–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 3 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 www.ti.com 7 Specifications 7.1 Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted) (1) MIN MAX UNIT Input voltage VBAT, VOUT, EN, LBI, FB, ADEN –0.3 3.6 V SW –0.3 7 V Voltage LBO, COMP –0.3 3.6 V Operating free-air temperature range, TA –40 85 °C 150 °C 150 °C Maximum junction temperature, TJ Storage temperature range, Tstg (1) –65 Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. 7.2 ESD Ratings VALUEMAX V(ESD) (1) (2) Electrostatic discharge Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pins (1) ±2000 Charged device model (CDM), per JEDEC specification JESD22-C101, all pins (2) ±1000 UNIT V JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process. JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process. 7.3 Recommended Operating Conditions MIN NOM MAX UNIT VI Supply voltage at VBAT 0.8 IO Maximum output current at VIN = 1.2 V 100 VOUT mA IO Maximum output current at VIN = 2.4 V 200 mA L1 Inductor CI Input capacitor Co Output capacitor TJ Operating virtual junction temperature 10 33 µH 10 10 22 –40 V µF 47 µF 125 °C 7.4 Thermal Information THERMAL METRIC (1) TPS6101x TPS61010 DGS DRC UNIT 10 PINS RθJA Junction-to-ambient thermal resistance 161.8 43.1 RθJC(top) Junction-to-case (top) thermal resistance 36.3 67.4 RθJB Junction-to-board thermal resistance 82.7 18.1 ψJT Junction-to-top characterization parameter 1.3 1.6 ψJB Junction-to-board characterization parameter 81.1 18.2 RθJC(bot) Junction-to-case (bottom) thermal resistance N/A 5.2 (1) 4 °C/W For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. Submit Documentation Feedback Copyright © 2000–2015, Texas Instruments Incorporated Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 www.ti.com SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 7.5 Electrical Characteristics over recommended operating free-air temperature range, VBAT = 1.2 V, EN = VBAT (unless otherwise noted) PARAMETER VI TEST CONDITIONS Minimum input voltage for start-up RL = 33 Ω RL = 3 kΩ, TA = 25 °C 0.8 Input voltage once started IO = 100 mA 0.8 Programmable output voltage range TPS61010, IOUT = 100 mA 1.5 VO Output voltage Switch current limit 1.86 TPS61013, 0.8 V < VI < VO, IO = 0 to 100 mA 2.42 2.5 2.58 V TPS61013, 1.6 V < VI < VO, IO = 0 to 200 mA 2.42 2.5 2.58 V TPS61014, 0.8 V < VI < VO, IO = 0 to 100 mA 2.72 2.8 2.88 V TPS61014, 1.6 V < VI < VO, IO = 0 to 200 mA 2.72 2.8 2.88 V TPS61015, 0.8 V < VI < VO, IO = 0 to 100 mA 2.9 3.0 3.1 V TPS61015, 1.6 V < VI < VO, IO = 0 to 200 mA 2.9 3.0 3.1 V TPS61016, 0.8 V < VI < VO, IO = 0 to 100 mA 3.2 3.3 3.4 V 3.2 3.3 3.4 V 100 TPS61011, once started 0.39 0.48 TPS61012, once started 0.54 0.56 TPS61013, once started 0.85 0.93 TPS61014, once started 0.95 1.01 TPS61015, once started 1 1.06 TPS61016, once started 1.07 1.13 500 520 mV 500 780 kHz 420 Maximum duty cycle NMOS switch on-resistance PMOS switch on-resistance NMOS switch on-resistance PMOS switch on-resistance (1) (1) VO = 1.5 V VO = 3.3 V 0.51 0.45 0.54 0.2 0.37 0.3 0.45 VI = 1.2 V to 1.4 V, IO = 100 mA 0.3 VI = 1.2 V; IO = 50 mA to 100 mA 0.1 (2) V(LBI) voltage decreasing 480 500 Ω 0.4 V 520 mV mv 0.01 LBO output low voltage V(LBI) = 0 V, VO = 3.3 V, I(OL) = 10 µA LBO output leakage current V(LBI) = 650 mV, V(LBO) = VO I(FB) FB input bias current (TPS61010 only) V(FB) = 500 mV VIL EN and ADEN input low voltage 0.8 V < VBAT < 3.3 V Ω 400 10 LBI input current Ω %/V ADEN = VBAT; EN = GND LBI input hysteresis (2) 0.37 300 Residual output voltage after autodischarge (1) A 85% Autodischarge switch resistance VOL V mA 250 Oscillator frequency LBI voltage threshold V 1.55 D VIL 3.3 1.8 f Load regulation V 1.5 480 Line regulation 0.9 1.74 Feedback voltage rDS(on) 0.85 UNIT 1.45 V(FB) rDS(on) MAX TPS61012, 0.8 V < VI < VO, IO = 0 to 100 mA TPS61016, 1.6 V < VI < VO, IO = 0 to 200 mA I(SW) TYP TPS61011, 0.8 V < VI < VO, IO = 0 to 100 mA Maximum continuous output VI > 0.8 V current VI > 1.8 V IO MIN 0.03 0.04 0.01 0.2 V 0.03 µA 0.03 0.2 × VBAT V Line and load regulation is measured as a percentage deviation from the nominal value (i.e., as percentage deviation from the nominal output voltage). For line regulation, x %/V stands for ±x% change of the nominal output voltage per 1-V change on the input/supply voltage. For load regulation, y% stands for ±y% change of the nominal output voltage per the specified current change. For proper operation the voltage at LBI may not exceed the voltage at VBAT. Copyright © 2000–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 5 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 www.ti.com Electrical Characteristics (continued) over recommended operating free-air temperature range, VBAT = 1.2 V, EN = VBAT (unless otherwise noted) PARAMETER VIH TEST CONDITIONS EN and ADEN input high voltage 0.8 V < VBAT < 3.3 V EN and ADEN input current EN and ADEN = GND or VBAT VBAT/SW Quiescent current into pins VBAT/SW and VOUT IL = 0 mA, VEN = VI Ioff Shutdown current from power source VEN = 0 V, ADEN = VBAT, TA= 25°C Submit Documentation Feedback TYP MAX 0.8 ×VBAT Iq 6 MIN VO UNIT V 0.01 0.03 31 46 5 8 1 3 µA µA µA Copyright © 2000–2015, Texas Instruments Incorporated Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 www.ti.com SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 7.6 Typical Characteristics 7.6.1 Table of Graphs FIGURE Maximum output current vs Input voltage for VO = 2.5 V, 3.3 V Figure 1 vs Input voltage for VO = 1.5 V, 1.8 V Figure 2 vs Output current for VI = 1.2 VVO = 1.5 V, L1 = Sumida CDR74 - 10 µH Figure 3 vs Output current for VI = 1.2 VVO = 2.5 V, L1 = Sumida CDR74 - 10 µH Figure 4 vs Output current for VIN = 1.2 VVO = 3.3 V, L1 = Sumida CDR74 - 10 µH Figure 5 vs Output current for VI = 2.4 VVO = 3.3 V, L1 = Sumida CDR74 - 10 µH Figure 6 vs Input voltage for IO = 10 mA, IO = 100 mA, IO = 200 mAVO = 3.3 V, L1 = Sumida CDR74 - 10 µH Figure 7 TPS61016, VBAT = 1.2 V, IO = 100 mA Sumida CDRH6D38 - 10 µH Sumida CDRH5D18 - 10 µH Sumida CDRH74 - 10 µH Sumida CDRH74B - 10 µH Efficiency Coilcraft DS 1608C - 10 µH Coilcraft DO 1608C - 10 µH Coilcraft DO 3308P - 10 µH Figure 8 Coilcraft DS 3316 - 10 µH Coiltronics UP1B - 10 µH Coiltronics UP2B - 10 µH Murata LQS66C - 10 µH Murata LQN6C - 10 µH TDK SLF 7045 - 10 µH TDK SLF 7032 - 10 µH vs Output current TPS61011 Figure 9 vs Output current TPS61013 Figure 10 vs Output current TPS61016 Figure 11 Minimum supply start-up voltage vs Load resistance Figure 12 No-load supply current vs Input voltage Figure 13 Shutdown supply current vs Input voltage Figure 14 Switch current limit vs Output voltage Figure 15 Output voltage Copyright © 2000–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 7 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 www.ti.com 0.9 1.4 0.8 1 Maximum Output Current − A Maximum Output Current − A 1.2 VO = 2.5 V 0.8 VO = 3.3 V 0.6 0.4 0.2 VO = 1.8 V 0.6 0.5 VO = 1.5 V 0.4 0.3 0.2 0.1 0 0.5 1 1.5 2 VI − Input Voltage − V 2.5 100 0 0.5 3 Figure 1. Maximum Output Current vs Input Voltage VBAT = 1.2 V, VO = 2.5 V 90 90 80 80 70 70 60 60 50 50 1 10 100 40 0.1 1000 1 IO − Output Current − mA Figure 3. Efficiency vs Output Current 100 1000 Figure 4. Efficiency vs Output Current 100 VBAT = 2.4 V, VO = 3.3 V VBAT = 1.2 V, VO = 3.3 V 90 90 80 80 Efficiency − % Efficiency − % 10 IO − Output Current − mA 100 70 70 60 60 50 50 40 0.1 8 2 100 VBAT = 1.2 V, VO = 1.5 V 40 0.1 1 1.5 VI − Input Voltage − V Figure 2. Maximum Output Current vs Input Voltage Efficiency − % Efficiency − % 0.7 1 10 100 1000 40 0.1 1 10 100 1000 IO − Output Current − mA IO − Output Current − mA Figure 5. Efficiency vs Output Current Figure 6. Efficiency vs Output Current Submit Documentation Feedback Copyright © 2000–2015, Texas Instruments Incorporated Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 www.ti.com SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 91 100 VO = 3.3 V VBAT = 1.2 V, VO = 3.3 V, IO = 100 mA 90 90 89 IO = 200 mA IO = 100 mA 88 Efficiency − % Efficiency − % 80 IO = 10 mA 70 87 86 85 60 1.5 2 2.5 VI − Input Voltage − V 3 3.5 SLF7032 LQN6C TDK SLF7045 UP2B Murata LQS66C DS3316 DO3308P DO1608C CDR74B CDRH74 Inductor Type Figure 8. Efficiency vs Inductor Type Figure 7. Efficiency vs Input Voltage 1.75 2.75 VBAT = 1.2 V VO − Output Voltage − V VBAT = 1.2 V VO − Output Voltage − V Coiltronics UP1B 1 Coilcraft DS1608C 40 0.5 CDRH5D18 83 50 Sumida CDRH6D38 84 1.50 1.25 0.1 1 10 100 IO − Output Current − mA 2.50 2.25 0.1 1A 1 10 100 IO − Output Current − mA 1A Figure 10. Output Voltage vs Output Current Figure 9. Output Voltage vs Output Current 1 3.50 Minimum Startup Supply Voltage − V VO − Output Voltage − V VBAT = 1.2 V 3.25 3 0.1 0.9 0.8 0.7 1 10 100 IO − Output Current − mA 1A Figure 11. Output Voltage vs Output Current Copyright © 2000–2015, Texas Instruments Incorporated 100 Load Resistance − Ω 1 Figure 12. Minimum Start-Up Supply Voltage vs Load Resistance Submit Documentation Feedback Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 9 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 www.ti.com 6 60 50 40 I CC − Shutdown Supply Current − µ A I CC − No-Load Supply Current − µ A TA = 85°C TA = 85°C TA = 25°C TA = −40°C 30 20 10 0 0.5 1 1.5 2 2.5 VI − Input Voltage − V 3 5 4 3 2 TA = −40°C 1 TA = 25°C 0 0.5 3.5 Figure 13. No-Load Supply Current vs Input Voltage 1 1.5 2 2.5 VI − Input Voltage − V 3 3.5 Figure 14. Shutdown Supply Current vs Input Voltage 1.2 Switch Current Limit − A 1 0.8 0.6 0.4 0.2 0 1.5 1.7 1.9 2.1 2.3 2.5 2.7 2.9 VO − Output Voltage − V 3.1 3.3 Figure 15. Switch Current Limit vs Output Voltage 10 Submit Documentation Feedback Copyright © 2000–2015, Texas Instruments Incorporated Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 www.ti.com SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 8 Parameter Measurement Information L1 10 µH CIN 10 µF 7 SW 6 VBAT VOUT 5 VOUT = 3.3 V R3 R1 9 LBI R2 10 Low Battery Warning TPS61016 8 OFF LBO COUT 22 µF List of Components: IC1: Only Fixed Output Versions (Unless Otherwise Noted) L1: SUMIDA CDRH6D38 – 100 CIN: X7R/X5R Ceramic COUT : X7R/X5R Ceramic ON 1 ADEN FB COMP EN 3 2 GND 4 RC 100 kΩ CC1 10 pF CC2 10 nF Figure 16. Circuit Used for Typical Characteristics Measurements Copyright © 2000–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 11 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 www.ti.com 9 Detailed Description 9.1 Overview The converter is based on a fixed frequency, current mode, pulse-width-modulation (PWM) Boost converter with the synchronous rectifier built in. The device limits the current through the power switch on a pulse by pulse basis. TPS6101x enters a power save-mode at light load. In this mode, TPS6101x only switches if the output voltage trips below a set threshold voltage. It ramps up the output voltage with one or several pulses, and goes again into power save-mode once the output voltage exceeds a set threshold voltage. The load is completely isolated from the battery when the device shutdown. An auto-discharge function allows discharging the output capacitor during shutdown. The auto-discharge function is enabled if this pin is connected to VBAT, and it is disabled if ADEN is tied to GND. 9.2 Functional Block Diagram L1 SW CIN Antiringing Comparator and Switch Bias Control _ + VOUT VBAT COUT ADEN UVLO ADEN ADEN LBI _ LBO Current Sense, Current Limit, Slope Compensation Control Logic Oscillator Gate Drive EN + Error Comparator + _ _ Error Amplifier + FB Bandgap Reference VREF GND COMP Figure 17. Fixed Output Voltage Versions TPS61011 to TPS61016 12 Submit Documentation Feedback Copyright © 2000–2015, Texas Instruments Incorporated Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 www.ti.com SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 Functional Block Diagram (continued) L1 SW CIN Antiringing Comparator and Switch Bias Control _ + VOUT VBAT COUT ADEN UVLO ADEN ADEN + _ LBI _ LBO Current Sense, Current Limit, Slope Compensation Control Logic Oscillator Gate Drive EN + FB _ Error Comparator Error Amplifier + Bandgap Reference VREF GND COMP Figure 18. Adjustable Output Voltage Version TPS61010 9.3 Feature Description 9.3.1 Controller Circuit The device is based on a current-mode control topology using a constant frequency pulse-width modulator to regulate the output voltage. The controller limits the current through the power switch on a pulse by pulse basis. The current-sensing circuit is integrated in the device, therefore, no additional components are required. Due to the nature of the boost converter topology used here, the peak switch current is the same as the peak inductor current, which will be limited by the integrated current limiting circuits under normal operating conditions. The control loop must be externally compensated with an R-C-C network connected to the COMP-pin. 9.3.2 Synchronous Rectifier The device integrates an N-channel and a P-channel MOSFET transistor to realize a synchronous rectifier. There is no additional Schottky diode required. Because the device uses a integrated low rDS(on) PMOS switch for rectification, the power conversion efficiency reaches 95%. A special circuit is applied to disconnect the load from the input during shutdown of the converter. In conventional synchronous rectifier circuits, the backgate diode of the high-side PMOS is forward biased in shutdown and allows current flowing from the battery to the output. This device, however, uses a special circuit to disconnect the backgate diode of the high-side PMOS and so, disconnects the output circuitry from the source when the regulator is not enabled (EN = low). The benefit of this feature for the system design engineer, is that the battery is not depleted during shutdown of the converter. So, no additional effort has to be made by the system designer to ensure disconnection of the battery from the output of the converter. Therefore, design performance will be increased without additional costs and board space. Copyright © 2000–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 13 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 www.ti.com Feature Description (continued) 9.3.3 Power-Save Mode The TPS61010 is designed for high efficiency over a wide output current range. Even at light loads, the efficiency stays high because the switching losses of the converter are minimized by effectively reducing the switching frequency. The controller enters a powersave-mode if certain conditions are met. In this mode, the controller only switches on the transistor if the output voltage trips below a set threshold voltage. It ramps up the output voltage with one or several pulses, and goes again into powersave-mode once the output voltage exceeds a set threshold voltage. 9.3.4 Device Enable The device is shut down when EN is set to GND. In this mode, the regulator stops switching, all internal control circuitry including the low-battery comparator, is switched off, and the load is disconnected from the input (as described above in the synchronous rectifier section). This also means that the output voltage may drop below the input voltage during shutdown. The device is put into operation when EN is set high. During start-up of the converter, the duty cycle is limited in order to avoid high peak currents drawn from the battery. The limit is set internally by the current limit circuit and is proportional to the voltage on the COMP-pin. 9.3.5 Undervoltage Lockout (UVLO) The UVLO function prevents the device from starting up if the supply voltage on VBAT is lower than approximately 0.7 V. This UVLO function is implemented in order to prevent the malfunctioning of the converter. When in operation and the battery is being discharged, the device will automatically enter the shutdown mode if the voltage on VBAT drops below approximately 0.7 V. 9.3.6 Autodischarge The autodischarge function is useful for applications where the supply voltage of a μC, μP, or memory has to be removed during shutdown in order to ensure a defined state of the system. The autodischarge function is enabled when the ADEN is set high, and is disabled when the ADEN is set to GND. When the autodischarge function is enabled, the output capacitor will be discharged after the device is shut down by setting EN to GND. The capacitors connected to the output are discharged by an integrated switch of 300 Ω, hence the discharge time depends on the total output capacitance. The residual voltage on VOUT is less than 0.4 V after autodischarge. 9.3.7 Low-Battery Detector Circuit (LBI and LBO) The low-battery detector circuit is typically used to supervise the battery voltage and to generate an error flag when the battery voltage drops below a user-set threshold voltage. The function is active only when the device is enabled. When the device is disabled, the LBO-pin is high impedance. The LBO-pin goes active low when the voltage on the LBI-pin decreases below the set threshold voltage of 500 mV ±15 mV, which is equal to the internal reference voltage. The battery voltage, at which the detection circuit switches, can be programmed with a resistive divider connected to the LBI-pin. The resistive divider scales down the battery voltage to a voltage level of 500 mV, which is then compared to the LBI threshold voltage. The LBI-pin has a built-in hysteresis of 10 mV. See the application section for more details about the programming of the LBI-threshold. If the low-battery detection circuit is not used, the LBI-pin should be connected to GND (or to VBAT) and the LBO-pin can be left unconnected. Do not let the LBI-pin float. 9.3.8 Antiringing Switch The device integrates a circuit that removes the ringing that typically appears on the SW-node when the converter enters the discontinuous current mode. In this case, the current through the inductor ramps to zero and the integrated PMOS switch turns off to prevent a reverse current from the output capacitors back to the battery. Due to remaining energy that is stored in parasitic components of the semiconductors and the inductor, a ringing on the SW pin is induced. The integrated antiringing switch clamps this voltage internally to VBAT and therefore, dampens this ringing. 14 Submit Documentation Feedback Copyright © 2000–2015, Texas Instruments Incorporated Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 www.ti.com SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 Feature Description (continued) 9.3.9 Adjustable Output Voltage The devices with fixed output voltages are trimmed to operate with an output voltage accuracy of ±3%. The accuracy of the adjustable version is determined by the accuracy of the internal voltage reference, the controller topology, and the accuracy of the external resistor. The reference voltage has an accuracy of ±4% over line, load, and temperature. The controller switches between fixed frequency and pulse-skip mode, depending on load current. This adds an offset to the output voltage that is equivalent to 1% of VO. The tolerance of the resistors in the feedback divider determine the total system accuracy. 9.4 Device Functional Modes Table 1. TPS6101x Operation Modes MODE DESCRIPTION CONDITION PWM Boost in normal switching operation Heavy load PFM Boost in power save operation Light load Copyright © 2000–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 15 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 www.ti.com 10 Application and Implementation NOTE Information in the following applications sections is not part of the TI component specification, and TI does not warrant its accuracy or completeness. TI’s customers are responsible for determining suitability of components for their purposes. Customers should validate and test their design implementation to confirm system functionality. 10.1 Application Information The devices are designed to operate from an input voltage supply range between 0.9 V and 3.3 V with a maximum switch current limit up to 1300mA. The devices operate in PWM mode from the medium to heavy load conditions and in power save mode at light load condition. In PWM mode the TPS6101x converter operates with the nominal switching frequency of 500kHz. As the load current decreases, the converter enters power save mode, reducing the switching frequency and minimizing the IC quiescent current to achieve high efficiency over the entire load current range. 10.2 Typical Applications 10.2.1 1.8-mm Maximum Height Power Supply With Single Battery Cell Input Using Low Profile Components U1 L1 SW VOUT R4 C1 VBAT Battery LBO C4 LBO C5 OUTPUT R5 LBI FB R6 R1 ADEN COMP C2 EN C3 GND List of Components: U1 TPS6101 (1–6) C1, C4, C5 10 µF X5R Ceramic, TDK C3216X5R0J106 L1 10 µH SUMIDA CDRH5D18–100 Figure 19. 1.8-mm Maximum Height Power Supply With Single Battery Cell Input Using Low Profile Components Schematic 10.2.1.1 Design Requirements Use the following typical application design procedure to select external components values for the TPS6101x device. 16 Submit Documentation Feedback Copyright © 2000–2015, Texas Instruments Incorporated Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 www.ti.com SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 Typical Applications (continued) Table 2. TPS61010 3.3 V Output Design Parameters DESIGN PARAMETERS EXAMPLE VALUES Input Voltage Range 0.9 V to 3.3 V Output Voltage 3.3 V Output Voltage Ripple ±3% VOUT Transient Response ±10% VOUT Input Voltage Ripple ±200 mV Output Current Rating 200 mA Operating Frequency 500 kHz 10.2.1.2 Detailed Design Procedure The TPS6101x boost converter family is intended for systems that are powered by a single-cell NiCd or NiMH battery with a typical terminal voltage between 0.9 V to 1.6 V. It can also be used in systems that are powered by two-cell NiCd or NiMH batteries with a typical stack voltage between 1.8 V and 3.2 V. Additionally, single- or dual-cell, primary and secondary alkaline battery cells can be the power source in systems where the TPS6101x is used. 10.2.1.2.1 Programming the TPS61010 Adjustable Output Voltage Device The output voltage of the TPS61010 can be adjusted with an external resistor divider. The typical value of the voltage on the FB pin is 500 mV in fixed frequency operation and 485 mV in the power-save operation mode. The maximum allowed value for the output voltage is 3.3 V. The current through the resistive divider should be about 100 times greater than the current into the FB pin. The typical current into the FB pin is 0.01 µA, and the voltage across R4 is typically 500 mV. Based on those two values, the recommended value for R4 is in the range of 500 kΩ in order to set the divider current at 1 µA. From that, the value of resistor R3, depending on the needed output voltage (VO), can be calculated using Equation 1. VO æ VO ö æ ö R3 = R4 ´ ç - 1÷ = 500kW ´ ç ÷ è VFB ø è 500mV - 1 ø (1) If, as an example, an output voltage of 2.5 V is needed, a 2-MΩ resistor should be chosen for R3. L1 10 µH CIN 10 µF 10 V 7 SW 6 VBAT VOUT 5 R5 R1 9 LBI LBO R2 FB 8 R3 10 Low Battery Warning 3 TPS61016 1 1 Cell NiMH, NiCd or Alkaline VOUT = 3.3 V COUT 22 µF 10 V R4 EN COMP ADEN GND 4 2 RC 100 kΩ CC1 10 pF CC2 10 nF Figure 20. Typical Application Circuit for Adjustable Output Voltage Option Copyright © 2000–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 17 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 www.ti.com The output voltage of the adjustable output voltage version changes with the output current. Due to deviceinternal ground shift, which is caused by the high switch current, the internal reference voltage and the voltage on the FB pin increases with increasing output current. Since the output voltage follows the voltage on the FB pin, the output voltage rises as well with a rate of 1 mV per 1-mA output current increase. Additionally, when the converter goes into pulse-skip mode at output currents around 5 mA and lower, the output voltage drops due to the hysteresis of the controller. This hysteresis is about 15 mV, measured on the FB pin. 10.2.1.2.2 Programming the Low Battery Comparator Threshold Voltage The current through the resistive divider should be about 100 times greater than the current into the LBI pin. The typical current into the LBI pin is 0.01 µA, the voltage across R2 is equal to the reference voltage that is generated on-chip, which has a value of 500 mV ±15 mV. The recommended value for R2 is therefore in the range of 500 kΩ. From that, the value of resistor R1, depending on the desired minimum battery voltage VBAT, can be calculated using Equation 2. æ VBAT ö æ VBAT ö R1 = R2 ´ ç - 1÷ = 500kW ´ ç - 1÷ è VREF ø è 500mV ø (2) For example, if the low-battery detection circuit should flag an error condition on the LBO output pin at a battery voltage of 1 V, a resistor in the range of 500 kΩ should be chosen for R1. The output of the low battery comparator is a simple open-drain output that goes active low if the battery voltage drops below the programmed threshold voltage on LBI. The output requires a pullup resistor with a recommended value of 1 MΩ, and should only be pulled up to the VO. If not used, the LBO pin can be left floating or tied to GND. 10.2.1.2.3 Inductor Selection A boost converter normally requires two main passive components for storing energy during the conversion. A boost inductor is required and a storage capacitor at the output. To select the boost inductor, it is recommended to keep the possible peak inductor current below the current limit threshold of the power switch in the chosen configuration. For example, the current limit threshold of the TPS61010's switch is 1100 mA at an output voltage of 3.3 V. The highest peak current through the inductor and the switch depends on the output load, the input (VBAT), and the output voltage (VO). Estimation of the maximum average inductor current can be done using Equation 3. VO IL = IOUT ´ VBAT ´ 0.8 (3) For example, for an output current of 100 mA at 3.3 V, at least 515-mA of current flows through the inductor at a minimum input voltage of 0.8 V. The second parameter for choosing the inductor is the desired current ripple in the inductor. Normally, it is advisable to work with a ripple of less than 20% of the average inductor current. A smaller ripple reduces the magnetic hysteresis losses in the inductor, as well as output voltage ripple and EMI. But in the same way, regulation time at load changes rises. In addition, a larger inductor increases the total system costs. With those parameters, it is possible to calculate the value for the inductor by using Equation 4. VBAT ´ (VOUT - VBAT ) L= DIL ´ f ´ VOUT (4) Parameter 7 is the switching frequency and Δ IL is the ripple current in the inductor, that is, 20% × IL. In this example, the desired inductor has the value of 12 µH. With this calculated value and the calculated currents, it is possible to choose a suitable inductor. Care must be taken that load transients and losses in the circuit can lead to higher currents as estimated in Equation 3. Also, the losses in the inductor caused by magnetic hysteresis losses and copper losses are a major parameter for total circuit efficiency. The following inductor series from different suppliers were tested. All work with the TPS6101x converter within their specified parameters: 18 Submit Documentation Feedback Copyright © 2000–2015, Texas Instruments Incorporated Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 www.ti.com SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 Table 3. Recommended Inductors VENDOR RECOMMENDED INDUCTOR SERIES Sumida Sumida CDR74B Sumida CDRH74 Sumida CDRH5D18 Sumida CDRH6D38 Coilcraft Coilcraft DO 1608C Coilcraft DS 1608C Coilcraft DS 3316 Coilcraft DT D03308P Coiltronics Coiltronics UP1B Coiltronics UP2B Murata Murata LQS66C Murata LQN6C TDK TDK SLF 7045 TDK SLF 7032 10.2.1.2.4 Capacitor Selection The major parameter necessary to define the output capacitor is the maximum allowed output voltage ripple of the converter. This ripple is determined by two parameters of the capacitor, the capacitance and the ESR. It is possible to calculate the minimum capacitance needed for the defined ripple, supposing that the ESR is zero, by using Equation 5. IOUT ´ (VOUT - VBAT ) C min = f ´ DV ´ VOUT (5) Parameter f is the switching frequency and ΔV is the maximum allowed ripple. With a chosen ripple voltage of 15 mV, a minimum capacitance of 10 µF is needed. The total ripple is larger due to the ESR of the output capacitor. This additional component of the ripple can be calculated using Equation 6. DVESR = IOUT ´ RESR (6) An additional ripple of 30 mV is the result of using a tantalum capacitor with a low ESR of 300 mΩ. The total ripple is the sum of the ripple caused by the capacitance and the ripple caused by the ESR of the capacitor. In this example, the total ripple is 45 mV. It is possible to improve the design by enlarging the capacitor or using smaller capacitors in parallel to reduce the ESR or by using better capacitors with lower ESR, like ceramics. For example, a 10 µF ceramic capacitor with an ESR of 50 mΩ is used on the evaluation module (EVM). Tradeoffs must be made between performance and costs of the converter circuit. A 10-µF input capacitor is recommended to improve transient behavior of the regulator. A ceramic capacitor or a tantalum capacitor with a 100 nF ceramic capacitor in parallel placed close to the IC is recommended. 10.2.1.2.5 Compensation of the Control Loop An R/C/C network must be connected to the COMP pin in order to stabilize the control loop of the converter. Both the pole generated by the inductor L1 and the zero caused by the ESR and capacitance of the output capacitor must be compensated. The network shown in Figure 21 satisfies these requirements. RC COMP 100 kΩ CC1 10 pF CC2 10 nF Figure 21. Compensation of Control Loop Copyright © 2000–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 19 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 www.ti.com Resistor RC and capacitor CC2 depend on the chosen inductance. For a 10 µH inductor, the capacitance of CC2 should be chosen to 10 nF, or in other words, if the inductor is XX µH, the chosen compensation capacitor should be XX nF, the same number value. The value of the compensation resistor is then chosen based on the requirement to have a time constant of 1 ms, for the R/C network RC and CC2, hence for a 33 nF capacitor, a 33 kΩ resistor should be chosen for RC. Capacitor CC1 depends on the ESR and capacitance value of the output capacitor, and on the value chosen for RC. Its value is calculated using Equation 7. COUT ´ ESRCOUT CC1 = RC (7) For a selected output capacitor of 22 µF with an ESR of 0.2Ω , an RC of 33 kΩ, the value of CC1 is in the range of 100 pF. Table 4. Recommended Compensation Components OUTPUT CAPACITOR INDUCTOR [µH] RC [kΩ] CC1 [pF] CC2 [nF] 0.2 33 120 33 0.3 47 150 22 22 0.4 100 100 10 10 0.1 100 10 10 CAPACITANCE [µF] ESR [Ω] 33 22 22 22 10 10 10.2.1.3 Application Curves Output Voltage 20 mV/div, AC Output Voltage 50 mV/div, AC Inductor Current 50 mA/div, AC 0 0.5 1 1.5 2 2.5 3 Inductor Current 50 mA/div, AC 3.5 4 4.5 5 t − Time − µs Figure 22. Output Voltage Ripple in Continuous Mode 20 Submit Documentation Feedback 0 0.1 0.2 0.3 0.4 0.5 0.6 t − Time − ms 0.7 0.8 0.9 1 Figure 23. Output Voltage Ripple in Discontinuous Mode Copyright © 2000–2015, Texas Instruments Incorporated Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 www.ti.com SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 Input Voltage 100 mV/div, AC Output Voltage 50 mV/div, AC Output Current 50 mA/div, AC 0 1 2 3 4 5 6 t − Time − ms Output Voltage 50 mA/div, AC 7 8 9 0 10 1 2 3 4 5 6 t − Time − ms 7 8 9 10 Figure 25. Line Transient Response Figure 24. Load Transient Response Enable, 2 V/div,DC Output Voltage, 1 V/div,DC Input Current, 200 mA/div,DC V(SW), 2 V/div,DC 0 1 2 3 4 5 6 t − Time − ms 7 8 9 10 Figure 26. Converter Start-Up Time After Enable Copyright © 2000–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 21 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 www.ti.com 10.2.2 250-mA Power Supply With Two Battery Cell Input TPS6101x application schematic of 2 Cell AA Battery Input and >250-mA output current. U1 IOUT ≥ 250 mA L1 SW Battery VOUT R4 C1 VBAT LBO C4 LBO OUTPUT R5 LBI FB R6 R1 ADEN COMP C2 EN C3 GND List of Components: U1 TPS6101 (1–6) C1 10 µF X5R Ceramic, TDK C3216X5R0J106 C4 22 µF X5R Ceramic, TDK C3225X5R0J226 L1 10 µH SUMIDA CDRH6D38 Figure 27. 250-mA Power Supply With Two Battery Cell Input 22 Submit Documentation Feedback Copyright © 2000–2015, Texas Instruments Incorporated Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 www.ti.com SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 10.2.3 Dual Output Voltage Power Supply for DSPs TPS6101x application schematic with 3.3Vout of I/O supply and post LDO 1.5Vout of DSP core supply. U1 L1 SW Battery 3.3-V I/O Supply VOUT R4 C1 VBAT U2 LDO C4 1.5-V Core Supply LBO LBO C6 R5 LBI GND FB R6 R1 ADEN COMP C2 EN C3 GND List of Components: U1 TPS61016 U2 TPS76915 C1 10 µF X5R Ceramic, TDK C3216X5R0J106 C4 22 µF X5R Ceramic, TDK C3225X5R0J226 L1 10 µH SUMIDA CDRH6D38 Figure 28. Dual Output Voltage Power Supply for DSPs 10.2.4 Power Supply With Auxiliary Positive Output Voltage TPS6101x application schematic of 3.3Vout and 6Vout with charge pump. 6-V/10-mA Aux Output C7 DS1 C6 U1 L1 SW Battery VOUT 3.3-V/100-mA Main Output R4 C1 VBAT LBO C4 LBO R5 GND LBI FB R6 R1 ADEN COMP C2 EN C3 GND List of Components: U1 TPS61016 DS1 BAT54S C1 10 µF X5R Ceramic, TDK C3216X5R0J106 C4 22 µF X5R Ceramic, TDK C3225X5R0J226, C6 1 µF X5R Ceramic, C7 0.1 µF X5R Ceramic, L1 10 µH SUMIDA CDRH6D38–100 Figure 29. Power Supply With Auxiliary Positive Output Voltage Copyright © 2000–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 23 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 www.ti.com 10.2.5 Power Supply With Auxiliary Negative Output Voltage TPS6101x application schematic of 3.3Vout and -2.7Vout with charge pump. C7 C6 DS1 GND –2.7-V/10-mA Aux Output U1 L1 SW Battery VOUT 3.3-V/100-mA Main Output R4 C1 VBAT LBO C4 LBO GND R5 FB LBI R6 R1 ADEN COMP C2 EN C3 GND List of Components: U1 TPS61016 DS1 BAT54S C1 10 µF X5R Ceramic, TDK C3216X5R0J106 C4 22 µF X5R Ceramic, TDK C3225X5R0J226, C6 1 µF X5R Ceramic, C7 0.1 µF X5R Ceramic, L1 10 µH SUMIDA CDRH6D38–100 Figure 30. Power Supply With Auxiliary Negative Output Voltage 10.2.6 TPS6101x EVM Circuit Diagram TPS6101x application schematic of the standard EVM configuration. L1 SW INPUT OUTPUT VOUT R4 C1 VBAT R5 LBO C4 C5 TPS6101x LBI FB R6 R1 ADEN C2 EN R3 COMP J1 J2 R2 LBO C3 GND GND Figure 31. TPS6101x EVM Circuit Diagram 24 Submit Documentation Feedback Copyright © 2000–2015, Texas Instruments Incorporated Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 www.ti.com SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 11 Power Supply Recommendations The device is designed to operate from an input voltage supply range between 0.9 V and 3.3 V. This input supply must be well regulated. If the input supply is located more than a few inches from the converter, additional bulk capacitance may be required in addition to the ceramic bypass capacitors. An electrolytic or tantalum capacitor with a value of 47 μF is a typical choice. 12 Layout 12.1 Layout Guidelines As for all switching power supplies, the layout is an important step in the design, especially at high peak currents and high switching frequencies. If the layout is not carefully done, the regulator could show stability problems as well as EMI problems. Therefore, use wide and short traces for the main current path as indicated in bold in Figure 32. The input capacitor, output capacitor, and the inductor should be placed as close as possible to the IC. Use a common ground node as shown in Figure 32 to minimize the effects of ground noise. The compensation circuit and the feedback divider should be placed as close as possible to the IC. To layout the control ground, it is recommended to use short traces as well, separated from the power ground traces. Connect both grounds close to the ground pin of the IC as indicated in the layout diagram in Figure 32. This avoids ground shift problems, which can occur due to superimposition of power ground current and control ground current. 12.2 Layout Example U1 L1 SW Battery VOUT R4 C1 VBAT LBO C4 LBO R2 R1 R3 OUTPUT R5 LBI FB R6 ADEN COMP C2 EN C3 GND Figure 32. Layout Diagram Copyright © 2000–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 25 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 www.ti.com Layout Example (continued) Figure 33. TPS6101x EVM Component Placement (Actual Size: 55.9 mm x 40.6 mm) Figure 34. TPS6101x EVM Top Layer Layout (Actual Size: 55.9 mm x 40.6 mm) 26 Submit Documentation Feedback Copyright © 2000–2015, Texas Instruments Incorporated Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 www.ti.com SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 Layout Example (continued) Figure 35. TPS6101x EVM Bottom Layer Layout (Actual Size: 55.9 mm x 40.6 mm) 12.3 Thermal Considerations Implementation of integrated circuits in low-profile and fine-pitch surface-mount packages typically requires special attention to power dissipation. Many system-dependent issues such as thermal coupling, airflow, added heat sinks and convection surfaces, and the presence of other heat-generating components affect the powerdissipation limits of a given component. Three basic approaches for enhancing thermal performance are: • Improving the power dissipation capability of the PWB design • Improving the thermal coupling of the component to the PWB • Introducing airflow in the system The maximum junction temperature (TJ) of the TPS6101x devices is 125°C. The thermal resistance of the 10-pin MSOP package (DGS) is RθJA = 161.8°C/W. Specified regulator operation is assured to a maximum ambient temperature (TA) of 85°C. Therefore, the maximum power dissipation is about 247 mW. More power can be dissipated if the maximum ambient temperature of the application is lower. TJ(MAX) - TA 125°C - 85°C PD(MAX) = = = 247 mW RqJA 161.8°C/ W (8) Copyright © 2000–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 27 TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016 SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015 www.ti.com 13 Device and Documentation Support 13.1 Device Support 13.1.1 Third-Party Products Disclaimer TI'S PUBLICATION OF INFORMATION REGARDING THIRD-PARTY PRODUCTS OR SERVICES DOES NOT CONSTITUTE AN ENDORSEMENT REGARDING THE SUITABILITY OF SUCH PRODUCTS OR SERVICES OR A WARRANTY, REPRESENTATION OR ENDORSEMENT OF SUCH PRODUCTS OR SERVICES, EITHER ALONE OR IN COMBINATION WITH ANY TI PRODUCT OR SERVICE. 13.2 Related Links The table below lists quick access links. Categories include technical documents, support and community resources, tools and software, and quick access to sample or buy. Table 5. Related Links PARTS PRODUCT FOLDER SAMPLE & BUY TECHNICAL DOCUMENTS TOOLS & SOFTWARE SUPPORT & COMMUNITY TPS61010 Click here Click here Click here Click here Click here TPS61011 Click here Click here Click here Click here Click here TPS61012 Click here Click here Click here Click here Click here TPS61013 Click here Click here Click here Click here Click here TPS61014 Click here Click here Click here Click here Click here TPS61015 Click here Click here Click here Click here Click here TPS61016 Click here Click here Click here Click here Click here 13.3 Community Resources The following links connect to TI community resources. Linked contents are provided "AS IS" by the respective contributors. They do not constitute TI specifications and do not necessarily reflect TI's views; see TI's Terms of Use. TI E2E™ Online Community TI's Engineer-to-Engineer (E2E) Community. Created to foster collaboration among engineers. At e2e.ti.com, you can ask questions, share knowledge, explore ideas and help solve problems with fellow engineers. Design Support TI's Design Support Quickly find helpful E2E forums along with design support tools and contact information for technical support. 13.4 Trademarks E2E is a trademark of Texas Instruments. All other trademarks are the property of their respective owners. 13.5 Electrostatic Discharge Caution These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. 13.6 Glossary SLYZ022 — TI Glossary. This glossary lists and explains terms, acronyms, and definitions. 14 Mechanical, Packaging, and Orderable Information The following pages include mechanical, packaging, and orderable information. This information is the most current data available for the designated devices. This data is subject to change without notice and revision of this document. For browser-based versions of this data sheet, refer to the left-hand navigation. 28 Submit Documentation Feedback Copyright © 2000–2015, Texas Instruments Incorporated Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016 PACKAGE OPTION ADDENDUM www.ti.com 14-Oct-2022 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Pins Package Drawing Qty Eco Plan (2) Lead finish/ Ball material MSL Peak Temp Op Temp (°C) Device Marking (3) Samples (4/5) (6) TPS61010DGS ACTIVE VSSOP DGS 10 80 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM -40 to 85 AIP Samples TPS61010DGSR ACTIVE VSSOP DGS 10 2500 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM -40 to 85 AIP Samples TPS61010DGSRG4 ACTIVE VSSOP DGS 10 2500 RoHS & Green Level-1-260C-UNLIM -40 to 85 AIP Samples TPS61012DGS ACTIVE VSSOP DGS 10 80 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM -40 to 85 AIR Samples TPS61012DGSG4 ACTIVE VSSOP DGS 10 80 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 AIR Samples TPS61013DGS ACTIVE VSSOP DGS 10 80 RoHS & Green NIPDAUAG Level-1-260C-UNLIM -40 to 85 AIS Samples TPS61014DGS ACTIVE VSSOP DGS 10 80 RoHS & Green NIPDAUAG Level-1-260C-UNLIM -40 to 85 AIT Samples TPS61015DGS ACTIVE VSSOP DGS 10 80 RoHS & Green NIPDAUAG Level-1-260C-UNLIM -40 to 85 AIU Samples TPS61015DGSR ACTIVE VSSOP DGS 10 2500 RoHS & Green NIPDAUAG Level-1-260C-UNLIM -40 to 85 AIU Samples TPS61016DGS ACTIVE VSSOP DGS 10 80 RoHS & Green NIPDAUAG Level-1-260C-UNLIM -40 to 85 AIV Samples TPS61016DGSR ACTIVE VSSOP DGS 10 2500 RoHS & Green NIPDAUAG Level-1-260C-UNLIM -40 to 85 AIV Samples NIPDAU (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may reference these types of products as "Pb-Free". RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption. Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of
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