Product details

Number of full bridges 1 Vs (min) (V) 6.5 Vs ABS (max) (V) 50 Peak output current (A) 3.7 RDS(ON) (HS + LS) (mΩ) 565 Sleep current (µA) 10 Control mode PWM Control interface Hardware (GPIO) Features Current Regulation, Integrated Current Sensing Rating Catalog Operating temperature range (°C) -40 to 125
Number of full bridges 1 Vs (min) (V) 6.5 Vs ABS (max) (V) 50 Peak output current (A) 3.7 RDS(ON) (HS + LS) (mΩ) 565 Sleep current (µA) 10 Control mode PWM Control interface Hardware (GPIO) Features Current Regulation, Integrated Current Sensing Rating Catalog Operating temperature range (°C) -40 to 125
HSOIC (DDA) 8 29.4 mm² 4.9 x 6
  • H-Bridge Motor Driver
    • Drives One DC Motor, One Winding of a Stepper Motor, or Other Loads
  • Wide 6.5-V to 45-V Operating Voltage
  • 565-mΩ Typical RDS(on) (HS + LS)
  • 3.6-A Peak Current Drive
  • PWM Control Interface
  • Current Regulation Without a Sense Resistor
  • Low-Power Sleep Mode
  • Small Package and Footprint
    • 8-Pin HSOP With PowerPAD™
    • 4.9 × 6 mm
  • Integrated Protection Features
    • VM Undervoltage Lockout (UVLO)
    • Overcurrent Protection (OCP)
    • Thermal Shutdown (TSD)
    • Automatic Fault Recovery
  • H-Bridge Motor Driver
    • Drives One DC Motor, One Winding of a Stepper Motor, or Other Loads
  • Wide 6.5-V to 45-V Operating Voltage
  • 565-mΩ Typical RDS(on) (HS + LS)
  • 3.6-A Peak Current Drive
  • PWM Control Interface
  • Current Regulation Without a Sense Resistor
  • Low-Power Sleep Mode
  • Small Package and Footprint
    • 8-Pin HSOP With PowerPAD™
    • 4.9 × 6 mm
  • Integrated Protection Features
    • VM Undervoltage Lockout (UVLO)
    • Overcurrent Protection (OCP)
    • Thermal Shutdown (TSD)
    • Automatic Fault Recovery

The DRV8871 device is a brushed-DC motor driver for printers, appliances, industrial equipment, and other small machines. Two logic inputs control the H-bridge driver, which consists of four N-channel MOSFETs that can control motors bidirectionally with up to 3.6-A peak current. The inputs can be pulse-width modulated (PWM) to control motor speed, using a choice of current-decay modes. Setting both inputs low enters a low-power sleep mode.

The DRV8871 device has advanced current-regulation circuitry that does not use an analog voltage reference or external sense resistor. This novel solution uses a standard low-cost, low-power resistor to set the current threshold. The ability to limit current to a known level can significantly reduce the system power requirements and bulk capacitance needed to maintain stable voltage, especially for motor startup and stall conditions.

The device is fully protected from faults and short circuits, including undervoltage (UVLO), overcurrent (OCP), and overtemperature (TSD). When the fault condition is removed, the device automatically resumes normal operation.

The DRV8871 device is a brushed-DC motor driver for printers, appliances, industrial equipment, and other small machines. Two logic inputs control the H-bridge driver, which consists of four N-channel MOSFETs that can control motors bidirectionally with up to 3.6-A peak current. The inputs can be pulse-width modulated (PWM) to control motor speed, using a choice of current-decay modes. Setting both inputs low enters a low-power sleep mode.

The DRV8871 device has advanced current-regulation circuitry that does not use an analog voltage reference or external sense resistor. This novel solution uses a standard low-cost, low-power resistor to set the current threshold. The ability to limit current to a known level can significantly reduce the system power requirements and bulk capacitance needed to maintain stable voltage, especially for motor startup and stall conditions.

The device is fully protected from faults and short circuits, including undervoltage (UVLO), overcurrent (OCP), and overtemperature (TSD). When the fault condition is removed, the device automatically resumes normal operation.

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Technical documentation

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Type Title Date
* Data sheet DRV8871 3.6-A Brushed DC Motor Driver With Internal Current Sense (PWM Control) datasheet (Rev. B) PDF | HTML 05 Jul 2016
Application note Understanding Motor Driver Current Ratings (Rev. A) PDF | HTML 05 Jul 2024
Application brief Advantages of Integrated Current Sensing (Rev. B) PDF | HTML 20 Jun 2022
Application note Best Practices for Board Layout of Motor Drivers (Rev. B) PDF | HTML 14 Oct 2021
Application note Calculating Power Dissipation for a H-Bridge or Half Bridge Driver (Rev. A) PDF | HTML 22 Jul 2021
Technical article Overcoming design challenges for brushed-DC motors in smart sanitation systems PDF | HTML 01 Jul 2020
Application note PowerPAD™ Thermally Enhanced Package (Rev. H) 06 Jul 2018
Technical article Evolution of the brushed DC driver PDF | HTML 26 Oct 2015
EVM User's guide DRV8871 Evaluation Module User's Guide 21 Aug 2015
Application brief PowerPAD™ Made Easy (Rev. B) 12 May 2004

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

DRV8871EVM — DRV8871 H-Bridge PWM Motor Driver Evaluation Module

The DRV8871 evaluation module demonstrates the capabilities and performance of the DRV8871 integrated circuit from Texas Instruments. The EVM includes a 5V regulator and PWM generator. A single power source is required to evaluate the DRV8871.

User guide: PDF
Not available on TI.com
Reference designs

TIDA-00786 — Ultra Small Brushed DC Motor Current Regulation TI Reference Design

TIDA-00786 is a small footprint brushed DC motor controller that has a fixed 100% duty-cycle speed input and variable current regulation.  The DRV8871’s integrated current sensing feature allows the design to utilize a standard potentiometer allowing the user to vary the current limiting (...)
Design guide: PDF
Schematic: PDF
Package Pins CAD symbols, footprints & 3D models
HSOIC (DDA) 8 Ultra Librarian

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