TPS62140EVM-505

www.ti.com Table of Contents User’s Guide TPS6213x Buck Converter Evaluation Module User's Guide ABSTRACT This user’s guide describes the characteristics, operation, and use of the Texas Instruments TPS62130, TPS62140, and TPS62150 evaluation modules (EVM). These EVMs are designed to help the user easily evaluate and test the operation and functionality of the TPS62130, TPS62140, and TPS62150. This user’s guide includes setup instructions for the hardware, printed-circuit board layouts for the EVMs, a schematic diagram, a bill of materials, and test results for the EVMs. After the release of the A-version devices in the summer of 2013, these EVMs are assembled with the TPS62130A, TPS62140A, or TPS62150A. Table of Contents 1 Introduction.............................................................................................................................................................................3 1.1 Background........................................................................................................................................................................ 3 1.2 Performance Specification................................................................................................................................................. 3 1.3 Modifications...................................................................................................................................................................... 3 2 Setup........................................................................................................................................................................................5 2.1 Input/Output Connector Descriptions................................................................................................................................. 5 2.2 Setup..................................................................................................................................................................................5 3 TPS621x0EVM-505 Test Results............................................................................................................................................6 4 Board Layout.........................................................................................................................................................................16 5 Schematic and Bill of Materials...........................................................................................................................................19 5.1 Schematic........................................................................................................................................................................ 19 5.2 Bill of Materials.................................................................................................................................................................20 6 Revision History................................................................................................................................................................... 20 List of Figures Figure 1-1. Loop Response Measurement Modification.............................................................................................................. 4 Figure 3-1. Efficiency With 1-µH Inductor and FSW = LOW (high frequency).............................................................................6 Figure 3-2. Efficiency With 2.2-µH Inductor and FSW = LOW (high frequency)..........................................................................6 Figure 3-3. Efficiency With 2.2-µH Inductor and FSW = HIGH (low frequency).......................................................................... 7 Figure 3-4. Load Regulation With 2.2-µH Inductor and FSW = LOW (high frequency)...............................................................7 Figure 3-5. Line Regulation With 2.2-µH Inductor and FSW = LOW (high frequency) and Iout = 1 A.........................................8 Figure 3-6. Loop Response With 2.2-µH Inductor and FSW = LOW (high frequency) and VIN = 12 V and IOUT = 1 A............... 8 Figure 3-7. Input Voltage Ripple With 2.2-µH Inductor and FSW = LOW (high frequency) and Vin = 12 V and Iout = 1 A.........9 Figure 3-8. Output Voltage Ripple With 2.2-µH Inductor and FSW = LOW (high frequency) and Vin = 12 V and Iout = 1 A...... 9 Figure 3-9. Output Voltage Ripple With 2.2-µH Inductor and FSW = HIGH (low frequency) and Vin = 12 V and Iout = 1 A.....10 Figure 3-10. Load Transient Response With 1-µH Inductor and Vin = 12 V..............................................................................10 Figure 3-11. Load Transient Response With 2.2-µH Inductor and Vin = 12 V........................................................................... 11 Figure 3-12. Start-Up on EN with 1 A Load and Vin = 12 V.......................................................................................................11 Figure 3-13. Shutdown on EN with 1 A Load and Vin = 12 V.................................................................................................... 12 Figure 3-14. TPS62130 Prebias Start-Up and Shutdown on EN With 1-A Load and Vin = 12 V.............................................. 12 Figure 3-15. TPS62130A Prebias Start-Up and Shutdown on EN With 1-A Load and Vin = 12 V............................................ 13 Figure 3-16. Thermal Performance With 1-µH Inductor and Vin = 12 V and Iout = 3 A and FSW = LOW (high frequency)..... 14 Figure 3-17. Thermal Performance With 2.2-µH Inductor Vin = 12 V and Iout = 3 A and FSW = HIGH (low frequency)..........15 Figure 4-1. Assembly Layer.......................................................................................................................................................16 Figure 4-2. Top Layer Routing................................................................................................................................................... 16 Figure 4-3. Internal Layer-1 Routing..........................................................................................................................................17 Figure 4-4. Internal Layer-2 Routing..........................................................................................................................................17 Figure 4-5. Bottom Layer Routing..............................................................................................................................................18 SLVU437B – OCTOBER 2011 – REVISED JUNE 2021 Submit Document Feedback TPS6213x Buck Converter Evaluation Module User's Guide Copyright © 2021 Texas Instruments Incorporated 1 Trademarks www.ti.com Figure 5-1. TPS621x0EVM-505 Schematic...............................................................................................................................19 List of Tables Table 1-1. Performance Specification Summary..........................................................................................................................3 Table 5-1. TPS621x0EVM-505 Bill of Materials.........................................................................................................................20 Trademarks All trademarks are the property of their respective owners. 2 TPS6213x Buck Converter Evaluation Module User's Guide Copyright © 2021 Texas Instruments Incorporated SLVU437B – OCTOBER 2011 – REVISED JUNE 2021 Submit Document Feedback www.ti.com Introduction 1 Introduction The TPS62130 is a 3-A, synchronous, step-down converter in a 3x3-mm, 16-pin QFN package. Both fixed and adjustable output voltage units are available. The TPS62140 is a 2-A, synchronous, step-down converter in a 3x3-mm, 16-pin QFN package. Both fixed and adjustable output voltage units are available. The TPS62150 is a 1-A, synchronous, step-down converter in a 3x3-mm, 16-pin QFN package. Both fixed and adjustable output voltage units are available. 1.1 Background The TPS62130EVM-505 (HPA505-001) uses the TPS62130A adjustable version and is set to a 3.3-V output. The EVM operates with full-rated performance with an input voltage between 3.7 V and 17 V. The TPS62140EVM-505 (HPA505-002) uses the TPS62140A adjustable version and is set to a 3.3-V output. The EVM operates with full-rated performance with an input voltage between 3.7 V and 17 V. The TPS62150EVM-505 (HPA505-003) uses the TPS62150A adjustable version and is set to a 3.3-V output. The EVM operates with full-rated performance with an input voltage between 3.7 V and 17 V. 1.2 Performance Specification Table 1-1 provides a summary of the TPS621x0EVM-505 performance specifications. All specifications are given for an ambient temperature of 25°C. Table 1-1. Performance Specification Summary Specification Test Conditions Min Input Voltage Typ Max 17 V 3.327 3.387 V 3.7 3.268 Unit Output Voltage PWM Mode of Operation Output Current TPS62130EVM-505 0 3000 mA TPS62140EVM-505 0 2000 mA TPS62150EVM-505 0 1000 mA Peak Efficiency TPS62130EVM-505, FSW = LOW (high frequency) 93.2% Peak Efficiency TPS62140EVM-505 and TPS62150EVM-505, FSW = HIGH (low frequency) 95.0% Soft-Start Time 1.65 ms 1.3 Modifications The printed-circuit board (PCB) for this EVM is designed to accommodate both the fixed and adjustable voltage versions of this integrated circuit (IC). Additional input and output capacitors can also be added, and the soft-start time can be changed. Finally, the loop response of the IC can be measured. 1.3.1 Fixed Output Operation U1 can be replaced with the fixed-voltage version of the IC for evaluation. For fixed-voltage version operation, replace R2 with a 0-Ω resistor and remove R1. 1.3.2 Input and Output Capacitors C2 is provided for an additional input capacitor. This capacitor is not required for proper operation but can be used to reduce the input voltage ripple. C7 is provided for an input capacitor on the AVIN pin. This capacitor is required and populated on the TPS62130EVM-505. It may be added on the other EVM versions but is not required. C4 is provided for an additional output capacitor. This capacitor is not required for proper operation but can be used to reduce the output voltage ripple and to improve the load transient response. The total output capacitance must remain within the recommended range in the data sheet for proper operation. SLVU437B – OCTOBER 2011 – REVISED JUNE 2021 Submit Document Feedback TPS6213x Buck Converter Evaluation Module User's Guide Copyright © 2021 Texas Instruments Incorporated 3 Introduction www.ti.com 1.3.3 Soft-Start Time C5 controls the soft-start time of the output voltage on the TPS621x0EVM-505. It can be changed for a shorter or slower ramp up of Vout. Note that as the value of C5 is decreased, the inrush current increases. 1.3.4 Loop Response Measurement The loop response of the TPS621x0EVM-505 can be measured with two simple changes to the circuitry. First, install a 10-Ω resistor across the pads in the middle of the back of the PCB. The pads are spaced to allow installation of 0805- or 0603-sized resistors. Second, cut the trace between the via on the output voltage and the trace that connects to the VOS pin via. These changes are shown in Figure 1-1. With these changes, an ac signal (10-mV, peak-to-peak amplitude recommended) can be injected into the control loop across the added resistor. Cut This Trace Added Resistor Figure 1-1. Loop Response Measurement Modification 4 TPS6213x Buck Converter Evaluation Module User's Guide Copyright © 2021 Texas Instruments Incorporated SLVU437B – OCTOBER 2011 – REVISED JUNE 2021 Submit Document Feedback www.ti.com Setup 2 Setup This section describes how to properly use the TPS621x0EVM-505. 2.1 Input/Output Connector Descriptions J1 – VIN Positive input connection from the input supply for the EVM. Use when the steady-state input current is less than 1 A. Otherwise, use J8. J2 – S+/S– Input voltage sense connections. Measure the input voltage at this point. J3 – GND Return connection from the input supply for the EVM. Use when the steady-state input current is less than 1 A. Otherwise, use J8. J4 – VOUT Output voltage connection. Use when the steady-state output current is less than 1 A. Otherwise, use J9. J5 – S+/S– Output voltage sense connections. Measure the output voltage at this point. J6 – GND Output return connection. Use when the steady-state output current is less than 1 A. Otherwise, use J9. J7 – PG/GND The PG output appears on pin 1 of this header with a convenient ground on pin 2. J8 – VIN/GND Pin 1 is the positive input connection with pin 2, serving as the return connection. Use this terminal block if the steady-state input current is greater than 1 A. J9 – VOUT/GND Pin 2 is the output voltage connection with pin 1, serving as the output return connection. Use this terminal block if the steady-state output current is greater than 1 A. J10 – SS/TR & GND The SS/TR input appears on pin 1 of this header with a convenient ground on pin 2 JP1 – EN EN pin input jumper. Place the supplied jumper across ON and EN to turn on the IC. Place the jumper across OFF and EN to turn off the IC. JP2 – DEF DEF pin input jumper. Place the supplied jumper across HIGH and DEF to set the output voltage at 5% above nominal. Place the jumper across LOW and DEF to set the output voltage at the nominal level. JP3 – FSW FSW pin input jumper. Place the supplied jumper across 1.25MHz and FSW to operate the IC at a reduced switching frequency of nominally 1.25 MHz. Place the jumper across 2.5MHz and FSW to operate the IC at the full switching frequency of nominally 2.5 MHz. JP4 – PG Pullup Voltage PG pin pullup voltage jumper. Place the supplied jumper on JP4 to connect the PG pin pullup resistor to Vout. Alternatively, the jumper can be removed and a different voltage can be supplied on pin 2 to pull up the PG pin to a different level. This externally applied voltage must remain below 7 V. 2.2 Setup To operate the EVM, set jumpers JP1 through JP4 to the desired positions per Section 2.1. Connect the input supply to either J1 and J3 or J8, and connect the load to either J4 and J6 or J9. SLVU437B – OCTOBER 2011 – REVISED JUNE 2021 Submit Document Feedback TPS6213x Buck Converter Evaluation Module User's Guide Copyright © 2021 Texas Instruments Incorporated 5 TPS621x0EVM-505 Test Results www.ti.com 3 TPS621x0EVM-505 Test Results This section provides test results of the TPS621x0EVM-505. 100 VI = 9 V 90 VI = 12 V VI = 15 V VI = 5 V Efficiency - % 80 VI = 17 V 70 60 50 40 0.0001 0.001 0.01 0.1 Load Current - A 1 10 Figure 3-1. Efficiency With 1-µH Inductor and FSW = LOW (high frequency) 100 VI = 15 V 90 VI = 12 V VI = 9 V Efficiency - % 80 VI = 5 V 70 VI = 17 V 60 50 40 0.0001 0.001 0.01 0.1 Load Current - A 1 10 Figure 3-2. Efficiency With 2.2-µH Inductor and FSW = LOW (high frequency) 6 TPS6213x Buck Converter Evaluation Module User's Guide Copyright © 2021 Texas Instruments Incorporated SLVU437B – OCTOBER 2011 – REVISED JUNE 2021 Submit Document Feedback www.ti.com TPS621x0EVM-505 Test Results 100 VI = 9 V 90 VI = 12 V VI = 15 V VI = 5 V Efficiency - % 80 VI = 17 V 70 60 50 40 0.0001 0.001 0.01 0.1 Load Current - A 1 10 Figure 3-3. Efficiency With 2.2-µH Inductor and FSW = HIGH (low frequency) 0.6 VI = 17 V 0.5 VI = 15 V VI = 12 V Load Regulation - % 0.4 VI = 9 V 0.3 0.2 0.1 VI = 5 V 0 -0.1 -0.2 0.0001 0.001 0.01 0.1 Load Current - A 1 10 Figure 3-4. Load Regulation With 2.2-µH Inductor and FSW = LOW (high frequency) SLVU437B – OCTOBER 2011 – REVISED JUNE 2021 Submit Document Feedback TPS6213x Buck Converter Evaluation Module User's Guide Copyright © 2021 Texas Instruments Incorporated 7 TPS621x0EVM-505 Test Results www.ti.com 0.2 Line Regulation - % 0.15 0.1 0.05 0 -0.05 -0.1 3 5 7 9 11 VI - Input Voltage - V 13 15 17 60 180 50 150 40 120 30 90 20 60 10 30 0 0 Phase - deg Gain - dB Figure 3-5. Line Regulation With 2.2-µH Inductor and FSW = LOW (high frequency) and Iout = 1 A -10 -30 -20 -60 -30 -90 -40 -120 -50 -150 -60 100 1k 10k f - Frequency - Hz 100k -180 1M Figure 3-6. Loop Response With 2.2-µH Inductor and FSW = LOW (high frequency) and VIN = 12 V and IOUT = 1 A 8 TPS6213x Buck Converter Evaluation Module User's Guide Copyright © 2021 Texas Instruments Incorporated SLVU437B – OCTOBER 2011 – REVISED JUNE 2021 Submit Document Feedback www.ti.com TPS621x0EVM-505 Test Results VIN (AC Coupled) 20 mV/div Iind 0.5 A/div SW 10 V/div t - Time - 200 ns/div Figure 3-7. Input Voltage Ripple With 2.2-µH Inductor and FSW = LOW (high frequency) and Vin = 12 V and Iout = 1 A VOUT (AC Coupled) 20 mV/div Iind 0.5 A/div SW 10 V/div t - Time - 200 ns/div Figure 3-8. Output Voltage Ripple With 2.2-µH Inductor and FSW = LOW (high frequency) and Vin = 12 V and Iout = 1 A SLVU437B – OCTOBER 2011 – REVISED JUNE 2021 Submit Document Feedback TPS6213x Buck Converter Evaluation Module User's Guide Copyright © 2021 Texas Instruments Incorporated 9 TPS621x0EVM-505 Test Results www.ti.com VOUT (AC Coupled) 20 mV/div Iind 0.5 A/div SW 10 V/div t - Time - 200 ns/div Figure 3-9. Output Voltage Ripple With 2.2-µH Inductor and FSW = HIGH (low frequency) and Vin = 12 V and Iout = 1 A VOUT (AC Coupled) 20 mV/div 1 A to 2 A Load Step ILoad 1 A/div t - Time - 2 ms/div Figure 3-10. Load Transient Response With 1-µH Inductor and Vin = 12 V 10 TPS6213x Buck Converter Evaluation Module User's Guide Copyright © 2021 Texas Instruments Incorporated SLVU437B – OCTOBER 2011 – REVISED JUNE 2021 Submit Document Feedback www.ti.com TPS621x0EVM-505 Test Results VOUT (AC Coupled) 20 mV/div 0.5 A to 1 A Load Step ILoad 0.5 A/div t - Time - 2 ms/div Figure 3-11. Load Transient Response With 2.2-µH Inductor and Vin = 12 V VIN 10 V/div EN 10 V/div VOUT 1 V/div SS/TR 1 V/div t - Time - 1 ms/div Figure 3-12. Start-Up on EN with 1 A Load and Vin = 12 V SLVU437B – OCTOBER 2011 – REVISED JUNE 2021 Submit Document Feedback TPS6213x Buck Converter Evaluation Module User's Guide Copyright © 2021 Texas Instruments Incorporated 11 TPS621x0EVM-505 Test Results www.ti.com VIN 10 V/div EN 10 V/div VOUT 1 V/div PG 1 V/div t - Time - 100 ms/div Figure 3-13. Shutdown on EN with 1 A Load and Vin = 12 V VIN 10 V/div EN 1 V/div 1.5 V Pre-bias VOUT 1 V/div PG 2 V/div t - Time - 500 ms/div Figure 3-14. TPS62130 Prebias Start-Up and Shutdown on EN With 1-A Load and Vin = 12 V 12 TPS6213x Buck Converter Evaluation Module User's Guide Copyright © 2021 Texas Instruments Incorporated SLVU437B – OCTOBER 2011 – REVISED JUNE 2021 Submit Document Feedback www.ti.com TPS621x0EVM-505 Test Results VIN 10 V/div EN 1 V/div 1.5 V Pre-bias VOUT 1 V/div PG 2 V/div t - Time - 500 ms/div Figure 3-15. TPS62130A Prebias Start-Up and Shutdown on EN With 1-A Load and Vin = 12 V SLVU437B – OCTOBER 2011 – REVISED JUNE 2021 Submit Document Feedback TPS6213x Buck Converter Evaluation Module User's Guide Copyright © 2021 Texas Instruments Incorporated 13 TPS621x0EVM-505 Test Results www.ti.com Figure 3-16. Thermal Performance With 1-µH Inductor and Vin = 12 V and Iout = 3 A and FSW = LOW (high frequency) 14 TPS6213x Buck Converter Evaluation Module User's Guide Copyright © 2021 Texas Instruments Incorporated SLVU437B – OCTOBER 2011 – REVISED JUNE 2021 Submit Document Feedback www.ti.com TPS621x0EVM-505 Test Results Figure 3-17. Thermal Performance With 2.2-µH Inductor Vin = 12 V and Iout = 3 A and FSW = HIGH (low frequency) SLVU437B – OCTOBER 2011 – REVISED JUNE 2021 Submit Document Feedback TPS6213x Buck Converter Evaluation Module User's Guide Copyright © 2021 Texas Instruments Incorporated 15 Board Layout www.ti.com 4 Board Layout This section provides the TPS621x0EVM-505 board layout and illustrations. Figure 4-1. Assembly Layer Figure 4-2. Top Layer Routing 16 TPS6213x Buck Converter Evaluation Module User's Guide Copyright © 2021 Texas Instruments Incorporated SLVU437B – OCTOBER 2011 – REVISED JUNE 2021 Submit Document Feedback www.ti.com Board Layout Figure 4-3. Internal Layer-1 Routing Figure 4-4. Internal Layer-2 Routing SLVU437B – OCTOBER 2011 – REVISED JUNE 2021 Submit Document Feedback TPS6213x Buck Converter Evaluation Module User's Guide Copyright © 2021 Texas Instruments Incorporated 17 Board Layout www.ti.com Figure 4-5. Bottom Layer Routing 18 TPS6213x Buck Converter Evaluation Module User's Guide Copyright © 2021 Texas Instruments Incorporated SLVU437B – OCTOBER 2011 – REVISED JUNE 2021 Submit Document Feedback www.ti.com Schematic and Bill of Materials 5 Schematic and Bill of Materials This section provides the TPS621x0EVM-505 schematic and bill of materials. + 5.1 Schematic Figure 5-1. TPS621x0EVM-505 Schematic SLVU437B – OCTOBER 2011 – REVISED JUNE 2021 Submit Document Feedback TPS6213x Buck Converter Evaluation Module User's Guide Copyright © 2021 Texas Instruments Incorporated 19 Schematic and Bill of Materials www.ti.com 5.2 Bill of Materials Table 5-1. TPS621x0EVM-505 Bill of Materials Count -001 -002 -003 RefDes Value Description Size Part Number MFR 1 1 1 C1 10 µF Capacitor, Ceramic, 25V, X5R, 20% 1210 Std Std 1 1 1 C3 22 µF Capacitor, Ceramic, 6.3V, X5R, 20% 0805 Std Std 1 1 1 C5 3300 pF Capacitor, Ceramic, 25V, X7R, 10% 0603 Std Std 1 1 1 C6 68 µF Capacitor, Tantalum, 35V, 68uF, ±20% 7361[V] TPSV686M035R0150 AVX 1 0 0 C7 0.1 µF Capacitor, Ceramic, 25V, X5R, 20% 0603 Std Std 1 0 0 L1 1.0 µH Inductor, Power, 5.1A, ±20% 0.165 x 0.165 inch XFL4020-102ME Coilcraft 0 1 1 L1 2.2 µH Inductor, Power, 3.5A, ±20% 0.165 x 0.165 inch XFL4020-222ME Coilcraft 1 1 1 R1 1.21M Resistor, Chip, 1/16W, 1% 0603 Std Std 1 1 1 R2 383k Resistor, Chip, 1/16W, 1% 0603 Std Std 1 1 1 R3 100k Resistor, Chip, 1/16W, 1% 0603 Std Std 1 0 0 U1(1) TPS62130ARGT IC, 17V 3A Step-Down Converter in 3 mm x 3 mm QFN Package 3 x 3 mm QFN TPS62130ARGT TI 0 1 0 U1(1) TPS62140ARGT IC, 17V 2A Step-Down Converter in 3 mm x 3 mm QFN Package 3 x 3 mm QFN TPS62140ARGT TI 0 0 1 U1(1) TPS62150ARGT IC, 17V 1A Step-Down Converter in 3 mm x 3 mm QFN Package 3 x 3 mm QFN TPS62150ARGT TI (1) EVMs made before August of 2013 use the non-A version of U1. The only difference between these devices is the operation of the PG pin when the device is disabled, as shown in Figure 3-14 and Figure 3-15. 6 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Revision A (July 2013) to Revision B (June 2021) Page • Updated the numbering format for tables, figures, and cross-references throughout the document. ................3 • Updated user's guide title................................................................................................................................... 3 20 TPS6213x Buck Converter Evaluation Module User's Guide Copyright © 2021 Texas Instruments Incorporated SLVU437B – OCTOBER 2011 – REVISED JUNE 2021 Submit Document Feedback IMPORTANT NOTICE AND DISCLAIMER TI PROVIDES TECHNICAL AND RELIABILITY DATA (INCLUDING DATA SHEETS), DESIGN RESOURCES (INCLUDING REFERENCE DESIGNS), APPLICATION OR OTHER DESIGN ADVICE, WEB TOOLS, SAFETY INFORMATION, AND OTHER RESOURCES “AS IS” AND WITH ALL FAULTS, AND DISCLAIMS ALL WARRANTIES, EXPRESS AND IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY RIGHTS. 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