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DRV8803PWPR

DRV8803PWPR

  • 厂商:

    BURR-BROWN(德州仪器)

  • 封装:

    HTSSOP16_5X4.4MM_EP

  • 描述:

    8.2~60V

  • 数据手册
  • 价格&库存
DRV8803PWPR 数据手册
Sample & Buy Product Folder Technical Documents Support & Community Tools & Software DRV8803 SLVSAW5C – JULY 2011 – REVISED NOVEMBER 2015 DRV8803 Quad Low-Side Driver IC 1 Features 3 Description • The DRV8803 provides a 4-channel low side driver with overcurrent protection. It has built-in diodes to clamp turnoff transients generated by inductive loads and can be used to drive unipolar stepper motors, DC motors, relays, solenoids, or other loads. 1 • • • • 4-Channel Protected Low-Side Driver – Four NMOS FETs With Overcurrent Protection – Integrated Inductive Clamp Diodes – Parallel Interface DW Package: 1.5-A (Single Channel On) / 800-mA (Four Channels On) Maximum Drive Current per Channel (at 25°C) PWP Package: 2-A (Single Channel On) / 1-A (Four Channels On) Maximum Drive Current per Channel (at 25°C, With Proper PCB Heatsinking) 8.2-V to 60-V Operating Supply Voltage Range Thermally Enhanced Surface Mount Package 2 Applications • • • • Relay Drivers Unipolar Stepper Motor Drivers Solenoid Drivers General Low-Side Switch Applications In the SOIC (DW) package, the DRV8803 can supply up to 1.5-A (one channel on) or 800-mA (all channels on) continuous output current per channel, at 25°C. In the HTSSOP (PWP) package, it can supply up to 2-A (one channel on) or 1-A (four channels on) continuous output current per channel, at 25°C with proper PCB heatsinking. The device is controlled through a simple parallel interface. Internal shutdown functions are provided for over current protection, short circuit protection, undervoltage lockout and overtemperature and faults are indicated by a fault output pin. The DRV8803 is available in a 20-pin thermallyenhanced SOIC package and a 16-pin HTSSOP package (Eco-friendly: RoHS & no Sb/Br). Device Information(1) PART NUMBER DRV8803 PACKAGE BODY SIZE (NOM) SOIC (20) 12.80 mm × 7.50 mm HTSSOP (16) 5.00 mm × 4.40 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Schematic 8.2V to 60V 5 RESET nFAULT Fault Protection Clamp Diodes 1A M 1A 1A – DRV8803 Quad Low-Side Driver + Controller EN / IN + – 1A 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. DRV8803 SLVSAW5C – JULY 2011 – REVISED NOVEMBER 2015 www.ti.com Table of Contents 1 2 3 4 5 6 7 Features .................................................................. Applications ........................................................... Description ............................................................. Revision History..................................................... Pin Configuration and Functions ......................... Specification........................................................... 1 1 1 2 3 4 6.1 6.2 6.3 6.4 6.5 6.6 6.7 4 4 4 4 5 6 7 Absolute Maximum Ratings ...................................... ESD Ratings ............................................................ Recommended Operating Conditions....................... Thermal Information .................................................. Electrical Characteristics........................................... Timing Requirements ................................................ Typical Characteristics .............................................. Detailed Description .............................................. 8 7.1 Overview ................................................................... 8 7.2 Functional Block Diagram ......................................... 8 7.3 Feature Description................................................... 8 7.4 Device Functional Modes.......................................... 9 8 Application and Implementation ........................ 10 8.1 Application Information............................................ 10 8.2 Typical Application ................................................. 10 9 Power Supply Recommendations...................... 12 9.1 Bulk Capacitance .................................................... 12 10 Layout................................................................... 13 10.1 Layout Guidelines ................................................. 13 10.2 Layout Example .................................................... 13 10.3 Thermal Consideration.......................................... 13 11 Device and Documentation Support ................. 15 11.1 11.2 11.3 11.4 11.5 Documentation Support ........................................ Community Resources.......................................... Trademarks ........................................................... Electrostatic Discharge Caution ............................ Glossary ................................................................ 15 15 15 15 15 12 Mechanical, Packaging, and Orderable Information ........................................................... 15 4 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Revision B (February 2012) to Revision C Page • Added ESD Ratings 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 • Changed Continuous output current, single channel on, TA = 25°C, HTSSOP package MAX value from 1.5 A to 2 A ....... 4 • Changed Continuous output current, four channels on, TA = 25°C, HTSSOP package MAX value from 0.8 A to 1 A ........ 4 2 Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Product Folder Links: DRV8803 DRV8803 www.ti.com SLVSAW5C – JULY 2011 – REVISED NOVEMBER 2015 5 Pin Configuration and Functions DW Package 20-Pin SOIC Top View VM VCLAMP OUT1 OUT2 GND GND GND OUT3 OUT4 nENBL PWP Package 16-Pin HTSSOP Top View 1 20 2 19 3 18 4 17 5 6 16 15 7 14 8 13 9 12 10 11 nFAULT NC IN1 IN2 GND GND GND IN3 IN4 RESET VM VCLAMP OUT1 OUT2 GND OUT3 OUT4 nENBL 1 16 2 15 3 14 13 4 5 GND 12 6 11 7 10 8 9 nFAULT NC IN1 IN2 GND IN3 IN4 RESET Pin Functions PIN NAME SOIC HTSSOP I/O (1) DESCRIPTION EXTERNAL COMPONENTS OR CONNECTIONS POWER AND GROUND 5, 6, 7, 14, 15, 16 5, 12, PPAD — Device ground All pins must be connected to GND. 1 1 — Device power supply Connect to motor supply (8.2 V - 60 V). nENBL 10 8 I Enable input Active low enables outputs – internal pulldown RESET 11 9 I Reset input Active high resets internal logic and OCP – internal pulldown IN1 18 14 I Channel 1 input IN1 = 1 drives OUT1 low – internal pulldown IN2 17 13 I Channel 2input IN2 = 1 drives OUT2 low – internal pulldown IN3 13 11 I Channel 3 input IN3 = 1 drives OUT3 low – internal pulldown IN4 12 10 I Channel 4 input IN4 = 1 drives OUT4 low – internal pulldown 20 16 OD Fault Logic low when in fault condition (overtemperature, overcurrent) OUT1 3 3 O Output 1 Connect to load 1 OUT2 4 4 O Output 2 Connect to load 2 OUT3 8 6 O Output 3 Connect to load 3 OUT4 9 7 O Output 4 Connect to load 4 VCLAMP 2 2 — Output clamp voltage Connect to VM supply, or zener diode to VM supply GND VM CONTROL STATUS nFAULT OUTPUT (1) Directions: I = input, O = output, OD = open-drain output Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Product Folder Links: DRV8803 3 DRV8803 SLVSAW5C – JULY 2011 – REVISED NOVEMBER 2015 www.ti.com 6 Specification 6.1 Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted) (1) MIN MAX UNIT VM Power supply voltage –0.3 65 V VOUTx Output voltage –0.3 65 V VCLAMP Clamp voltage –0.3 65 V nFAULT Output current 20 mA Peak clamp diode current 2 A DC or RMS clamp diode current 1 A nFAULT Digital input pin voltage –0.5 7 V Digital output pin voltage –0.5 7 V Internally limited A Peak motor drive output current, t < 1 μS Continuous total power dissipation See Thermal Information TJ Operating virtual junction temperature –40 150 °C Tstg Storage temperature –60 150 °C (1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. 6.2 ESD Ratings VALUE Electrostatic discharge V(ESD) (1) (2) Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pins (1) UNIT ±3000 Charged device model (CDM), per JEDEC specification JESD22-C101, all pins (2) V ±1000 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. 6.3 Recommended Operating Conditions MIN VM Power supply voltage VCLAMP Output clamp voltage (1) SOIC package (2), TA = 25°C IOUT Continuous output current HTSSOP package (1) (2) (2) , TA = 25°C NOM MAX UNIT 8.2 60 V 0 60 V Single channel on 1.5 Four channels on 0.8 Single channel on 2 Four channels on 1 A VCLAMP is used only to supply the clamp diodes. It is not a power supply input. Power dissipation and thermal limits must be observed. 6.4 Thermal Information DRV8803 THERMAL METRIC (1) DW (SOIC) PWP (HTSSOP) 20 PINS 16 PINS UNIT RθJA Junction-to-ambient thermal resistance 67.7 39.6 °C/W RθJC(top) Junction-to-case (top) thermal resistance 32.9 24.6 °C/W RθJB Junction-to-board thermal resistance 35.4 20.3 °C/W ψJT Junction-to-top characterization parameter 8.2 0.7 °C/W ψJB Junction-to-board characterization parameter 34.9 20.1 °C/W RθJC(bot) Junction-to-case (bottom) thermal resistance N/A 2.3 °C/W (1) 4 For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report, SPRA953. Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Product Folder Links: DRV8803 DRV8803 www.ti.com SLVSAW5C – JULY 2011 – REVISED NOVEMBER 2015 6.5 Electrical Characteristics TA = 25°C, over recommended operating conditions (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT 1.6 2.1 mA 8.2 V 0.7 V POWER SUPPLIES IVM VM operating supply current VM = 24 V VUVLO VM undervoltage lockout voltage VM rising LOGIC-LEVEL INPUTS (SCHMITT TRIGGER INPUTS WITH HYSTERESIS) VIL Input low voltage VIH Input high voltage 0.6 VHYS Input hysteresis IIL Input low current VIN = 0 IIH Input high current VIN = 3.3 V RPD Pulldown resistance 2 V 0.45 –20 V 20 μA 100 μA 100 kΩ nFAULT OUTPUT (OPEN-DRAIN OUTPUT) VOL Output low voltage IO = 5 mA IOH Output high leakage current VO = 3.3 V 0.5 V 1 μA LOW-SIDE FETS RDS(ON) FET on resistance IOFF Off-state leakage current VM = 24 V, IO = 700 mA, TJ = 25°C 0.5 VM = 24 V, IO = 700 mA, TJ = 85°C 0.75 0.8 Ω 50 μA –50 50 μA –50 HIGH-SIDE DIODES VF Diode forward voltage VM = 24 V, IO = 700 mA, TJ = 25°C IOFF Off-state leakage current VM = 24 V, TJ = 25°C 1.2 V tR Rise time VM = 24 V, IO = 700 mA, Resistive load 50 300 ns tF Fall time VM = 24 V, IO = 700 mA, Resistive load 50 300 ns 2.3 3.8 A OUTPUTS PROTECTION CIRCUITS IOCP Overcurrent protection trip level tOCP Overcurrent protection deglitch time 3.5 µs tRETRY Overcurrent protection retry time 1.2 ms tTSD Thermal shutdown temperature (1) Die temperature (1) 150 160 180 °C Not production tested. Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Product Folder Links: DRV8803 5 DRV8803 SLVSAW5C – JULY 2011 – REVISED NOVEMBER 2015 www.ti.com 6.6 Timing Requirements over operating free-air temperature range (unless otherwise noted) (1) MIN (1) MAX UNIT 1 tOE(ENABLE) Enable time, nENBL to output low 50 ns 2 tPD(L-H) Propagation delay time, INx to OUTx, low to high 800 ns 3 tPD(H-L) Propagation delay time, INx to OUTx, high to low 800 — tRESET RESET pulse width 20 ns µs Not production tested. nENBL INx OUTx 1 2 3 Figure 1. DRV8803 Timing Requirements 6 Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Product Folder Links: DRV8803 DRV8803 www.ti.com SLVSAW5C – JULY 2011 – REVISED NOVEMBER 2015 1.80 1.80 1.75 1.75 1.70 1.70 Supply Current (mA) Supply Current (mA) 6.7 Typical Characteristics 1.65 1.60 1.55 1.50 1.45 1.40 1.35 8V 24 V 30 V 60 V 1.65 1.60 1.55 1.50 1.45 1.40 -40° C 1.35 1.30 1.30 -40° C 25° C 75° C 8V 125° C Temperature (ƒC) 25° C 75° C 24 V 125° C 30 V 60 V Supply Voltage (V) C001 C002 Figure 3. Supply Current Over VM Figure 2. Supply Current Over Temperature 900 1000 900 800 -40° C 25° C 75° C 125° C 700 Rdson (mŸ) Rdson (mŸ) 800 600 500 700 600 500 400 400 8V 300 60 V 300 200 -40° C 25° C 75° C 8V 125° C Temperature (ƒC) C005 Figure 4. RDS(on) Over Temperature 60 V Supply Voltage (V) Figure 5. RDS(on) Over VM Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Product Folder Links: DRV8803 C006 7 DRV8803 SLVSAW5C – JULY 2011 – REVISED NOVEMBER 2015 www.ti.com 7 Detailed Description 7.1 Overview The DRV8803 device is an integrated 4-channel low side driver solution for any low side switch application. The integrated overcurrent protection limits the motor current to a fixed maximum. Four logic inputs control the lowside driver outputs which consist of four N-channel MOSFETs that have a typical RDS(on) of 500 mΩ. A single power input VM serves as device power and is internally regulated to power the internal low side gate drive. Motor speed can be controlled with pulse-width modulation at frequencies from 0 kHz to 100 kHz. The device outputs can be disabled by bringing nENBL pin high. The thermal shutdown protection enables the device to automatically shut down if the die temperature exceeds a TTSD limit. UVLO protection will disable all circuitry in the device if VM drops below the undervoltage lockout threshold. 7.2 Functional Block Diagram 8.2V – 60V Internal Reference Regs UVLO VM nENBL LS Gate Drive OCP & Gate Drive RESET 8.2V – 60V Optional Zener Int. VCC VCLAMP OUT1 Inductive Load IN1 IN2 IN3 Control Logic IN4 nFAULT Thermal Shut down OCP & Gate Drive OUT2 Inductive Load OCP & Gate Drive OUT3 OCP & Gate Drive OUT4 Inductive Load Inductive Load GND (multiple pins) 7.3 Feature Description 7.3.1 Output Drivers The DRV8803 device contains four protected low-side drivers. Each output has an integrated clamp diode connected to a common pin, VCLAMP. VCLAMP can be connected to the main power supply voltage, VM. VCLAMP can also be connected to a Zener or TVS diode to VM, allowing the switch voltage to exceed the main supply voltage VM. This connection can be beneficial when driving loads that require very fast current decay, such as unipolar stepper motors. In all cases, the voltage on the outputs must not be allowed to exceed the maximum output voltage specification. 8 Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Product Folder Links: DRV8803 DRV8803 www.ti.com SLVSAW5C – JULY 2011 – REVISED NOVEMBER 2015 Feature Description (continued) 7.3.2 Protection Circuits The DRV8803 device is fully protected against undervoltage, overcurrent and overtemperature events. 7.3.2.1 Overcurrent Protection (OCP) An analog current limit circuit on each FET limits the current through the FET by removing the gate drive. If this analog current limit persists for longer than the tOCP deglitch time (approximately 3.5 µs), the driver will be disabled and the nFAULT pin will be driven low. The driver will remain disabled for the tRETRY retry time (approximately 1.2 ms), then the fault will be automatically cleared. The fault will be cleared immediately if either RESET pin is activated or VM is removed and reapplied. 7.3.2.2 Thermal Shutdown (TSD) If the die temperature exceeds safe limits, all output FETs will be disabled and the nFAULT pin will be driven low. Once the die temperature has fallen to a safe level, operation will automatically resume. 7.3.2.3 Undervoltage Lockout (UVLO) If at any time the voltage on the VM pin falls below the undervoltage lockout threshold voltage, all circuitry in the device will be disabled, and internal logic will be reset. Operation will resume when VM rises above the UVLO threshold. 7.4 Device Functional Modes 7.4.1 Parallel Interface Operation The DRV8803 device is controlled with a simple parallel interface. Logically, the interface is shown in Figure 6. nENBL OUT1 IN1 OUT2 IN2 OUT3 IN3 OUT4 IN4 Figure 6. Parallel Interface Operation 7.4.2 nENBL and RESET Operation The nENBL pin enables or disables the output drivers. nENBL must be low to enable the outputs. Note that nENBL has an internal pulldown. The RESET pin, when driven active high, resets internal logic. All inputs are ignored while RESET is active. Note that RESET has an internal pulldown. An internal power-up reset is also provided, so it is not required to drive RESET at power up. Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Product Folder Links: DRV8803 9 DRV8803 SLVSAW5C – JULY 2011 – REVISED NOVEMBER 2015 www.ti.com 8 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. 8.1 Application Information The DRV8803 device can be used to drive one unipolar stepper motor. 8.2 Typical Application VM + 0.1 µF 100 µF 1 – 3 + 2 4 M 5 + – VCLAMP NC OUT 1 IN1 OUT 2 IN2 GND 6 7 8 9 10 nFAULT VM GND DRV8803 GND GND GND GND OUT 3 IN3 OUT 4 IN4 nENBL RESET 20 19 18 17 16 15 14 13 12 11 Figure 7. Typical Application Schematic 8.2.1 Design Requirements Table 1 lists the design parameters for this design example. Table 1. Design Parameters DESIGN PARAMETER REFERENCE Supply Voltage VM EXAMPLE VALUE 24 V Motor Winding Resistance RL 7.4 Ω/phase Motor Full Step Angle θstep 1.8°/step Motor Rated Current IRATED 0.75 A PWM frequency fPWM 31.25 kHz 8.2.2 Detailed Design Procedure 8.2.2.1 Motor Voltage The motor voltage to use will depend on the ratings of the motor selected and the desired torque. A higher voltage shortens the current rise time in the coils of the stepper motor allowing the motor to produce a greater average torque. Using a higher voltage also allows the motor to operate at a faster speed than a lower voltage. 8.2.2.2 Drive Current The current path is starts from the supply VM, moves through the inductive winding load, and low-side sinking NMOS power FET. Power dissipation losses in one sink NMOS power FET are shown in Equation 1. P = I2 × RDS(on) 10 (1) Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Product Folder Links: DRV8803 DRV8803 www.ti.com SLVSAW5C – JULY 2011 – REVISED NOVEMBER 2015 The DRV8803 device has been measured to be capable of 1.5-A Single Channel or 800-mA Four Channels with the DW package and 2-A Single Channel or 1-A Four Channels with the PWP package at 25°C on standard FR4 PCBs. The maximum RMS current varies based on PCB design and the ambient temperature. 8.2.3 Application Curves Figure 8. Current Ramp With a 16-Ω, 1-mH RL Load and VM = 8.2 V Figure 9. Current Ramp With a 16-Ω, 1-mH RL Load and VM = 30 V Figure 10. OCP With VM = 8.2 V and OUT1 Shorted to VM Figure 11. OCP Separated by tRETRY With VM = 8.2-V and OUT1 Shorted to VM Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Product Folder Links: DRV8803 11 DRV8803 SLVSAW5C – JULY 2011 – REVISED NOVEMBER 2015 www.ti.com 9 Power Supply Recommendations 9.1 Bulk Capacitance Having appropriate local bulk capacitance is an important factor in motor drive system design. It is generally beneficial to have more bulk capacitance, while the disadvantages are increased cost and physical size. The amount of local capacitance needed depends on a variety of factors, including: • The highest current required by the motor system. • The power supply’s capacitance and ability to source current. • The amount of parasitic inductance between the power supply and motor system. • The acceptable voltage ripple. • The type of motor used (Brushed DC, Brushless DC, Stepper). • The motor braking method. The inductance between the power supply and motor drive system will limit the rate current can change from the power supply. If the local bulk capacitance is too small, the system will respond to excessive current demands or dumps from the motor with a change in voltage. When adequate bulk capacitance is used, the motor voltage remains stable and high current can be quickly supplied. The inductance between the power supply and motor drive system will limit the rate current can change from the power supply. If the local bulk capacitance is too small, the system will respond to excessive current demands or dumps from the motor with a change in voltage. When adequate bulk capacitance is used, the motor voltage remains stable and high current can be quickly supplied. Parasitic Wire Inductance Motor Drive System Power Supply VM + – + Motor Driver GND Local Bulk Capacitor IC Bypass Capacitor Example Setup of Motor Drive System with External Power Supply Figure 12. Example Setup of Motor Drive System With External Power Supply The voltage rating for bulk capacitors should be higher than the operating voltage, to provide margin for cases when the motor transfers energy to the supply. 12 Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Product Folder Links: DRV8803 DRV8803 www.ti.com SLVSAW5C – JULY 2011 – REVISED NOVEMBER 2015 10 Layout 10.1 Layout Guidelines The bulk capacitor should be placed to minimize the distance of the high-current path through the motor driver device. The connecting metal trace widths should be as wide as possible, and numerous vias should be used when connecting PCB layers. These practices minimize inductance and allow the bulk capacitor to deliver high current. Small-value capacitors should be ceramic, and placed closely to device pins. The high-current device outputs should use wide metal traces. The device thermal pad should be soldered to the PCB top-layer ground plane. Multiple vias should be used to connect to a large bottom-layer ground plane. The use of large metal planes and multiple vias help dissipate the I2 × RDS(on) heat that is generated in the device. 10.2 Layout Example + VM nFA ULT VCLAMP NC OUT1 IN1 OUT2 IN2 GND GND OUT3 IN3 OUT4 IN4 nENBL RESET Figure 13. Recommended Layout 10.3 Thermal Consideration 10.3.1 Thermal Protection The DRV8803 device has thermal shutdown (TSD) as described above. If the die temperature exceeds approximately 150°C, the device will be disabled until the temperature drops to a safe level. Any tendency of the device to enter TSD is an indication of either excessive power dissipation, insufficient heatsinking, or too high an ambient temperature. 10.3.2 Power Dissipation Power dissipation in the DRV8803 device is dominated by the power dissipated in the output FET resistance, or RDS(on). Average power dissipation of each FET when running a static load can be roughly estimated by Equation 2: P = RDS(ON) · (IOUT)2 where • P is the power dissipation of one FET Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Product Folder Links: DRV8803 13 DRV8803 SLVSAW5C – JULY 2011 – REVISED NOVEMBER 2015 www.ti.com Thermal Consideration (continued) • • RDS(ON) is the resistance of each FET IOUT is equal to the average current drawn by the load. (2) At start-up and fault conditions, this current is much higher than normal running current; consider these peak currents and their duration. When driving more than one load simultaneously, the power in all active output stages must be summed. The maximum amount of power that can be dissipated in the device is dependent on ambient temperature and heatsinking. Note that RDS(on) increases with temperature, so as the device heats, the power dissipation increases. This must be taken into consideration when sizing the heatsink. 10.3.3 Heatsinking The DRV8803DW package uses a standard SOIC outline, but has the center pins internally fused to the die pad to more efficiently remove heat from the device. The two center leads on each side of the package should be connected together to as large a copper area on the PCB as is possible to remove heat from the device. If the copper area is on the opposite side of the PCB from the device, thermal vias are used to transfer the heat between top and bottom layers. In general, the more copper area that can be provided, the more power can be dissipated. The DRV8803PWP package uses an HTSSOP package with an exposed PowerPAD™. The PowerPAD package uses an exposed pad to remove heat from the device. For proper operation, this pad must be thermally connected to copper on the PCB to dissipate heat. On a multi-layer PCB with a ground plane, this can be accomplished by adding a number of vias to connect the thermal pad to the ground plane. On PCBs without internal planes, copper area can be added on either side of the PCB to dissipate heat. If the copper area is on the opposite side of the PCB from the device, thermal vias are used to transfer the heat between top and bottom layers. For details about how to design the PCB, see the TI Application Report, PowerPAD Thermally Enhanced Package (SLMA002), and TI Application Brief, PowerPAD Made Easy (SLMA004), available at www.ti.com. 14 Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Product Folder Links: DRV8803 DRV8803 www.ti.com SLVSAW5C – JULY 2011 – REVISED NOVEMBER 2015 11 Device and Documentation Support 11.1 Documentation Support 11.1.1 Related Documentation For related documentation see the following: • PowerPAD Thermally Enhanced Package, SLMA002. • PowerPAD Made Easy, SLMA004. 11.2 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. 11.3 Trademarks PowerPAD, E2E are trademarks of Texas Instruments. All other trademarks are the property of their respective owners. 11.4 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. 11.5 Glossary SLYZ022 — TI Glossary. This glossary lists and explains terms, acronyms, and definitions. 12 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. Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Product Folder Links: DRV8803 15 PACKAGE OPTION ADDENDUM www.ti.com 10-Dec-2020 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) (4/5) (6) DRV8803DW ACTIVE SOIC DW 20 25 RoHS & Green NIPDAU Level-2-260C-1 YEAR -40 to 125 DRV8803DW DRV8803DWR ACTIVE SOIC DW 20 2000 RoHS & Green NIPDAU Level-2-260C-1 YEAR -40 to 125 DRV8803DW DRV8803PWP ACTIVE HTSSOP PWP 16 90 RoHS & Green NIPDAU Level-3-260C-168 HR -40 to 125 DRV8803 DRV8803PWPR ACTIVE HTSSOP PWP 16 2000 RoHS & Green NIPDAU Level-3-260C-168 HR -40 to 125 DRV8803 (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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DRV8803PWPR
    •  国内价格
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    DRV8803PWPR
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