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DRV8874

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38-V, 6-A H-bridge motor driver with integrated current sensing & feedback

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Product details

Parameters

Number of full bridges 1 Vs (Min) (V) 4.5 Vs (Max) (V) 37 Peak output current (A) 6 RDS(ON) (HS + LS) (mOhms) 200 Sleep current (uA) 0.75 Control mode Independent 1/2-Bridge, PH/EN, PWM Control interface Hardware (GPIO) Features Current Sense Amplifier, Integrated Current Sensing Rating Catalog open-in-new Find other Brushed DC (BDC) motor drivers

Package | Pins | Size

HTSSOP (PWP) 16 32 mm² 5 x 6.4 open-in-new Find other Brushed DC (BDC) motor drivers

Features

  • N-channel H-bridge motor driver
    • Drives one bidirectional brushed DC motor
    • Two unidirectional brushed DC motors
    • Other resistive and inductive loads
  • 4.5-V to 37-V operating supply voltage range
  • Pin to pin RDS(on) variants
    • DRV8874: 200-mΩ (High-Side + Low-Side)
    • DRV8876: 700-mΩ (High-Side + Low-Side)
  • High output current capability
    • DRV8874: 6-A Peak
    • DRV8876: 3.5-A Peak
  • Integrated current sensing and regulation
  • Proportional current output (IPROPI)
  • Selectable current regulation (IMODE)
    • Cycle-by-cycle or fixed off time
  • Selectable input control modes (PMODE)
    • PH/EN and PWM H-bridge control modes
    • Independent half-bridge control mode
  • Supports 1.8-V, 3.3-V, and 5-V logic inputs
  • Ultra low-power sleep mode
    • <1-µA @ VVM = 24-V, TJ = 25°C
  • Spread spectrum clocking for low electromagnetic interference (EMI)
  • Integrated protection features
    • Undervoltage lockout (UVLO)
    • Charge pump undervoltage (CPUV)
    • Overcurrent protection (OCP)
      • Automatic retry or outputs latched off (IMODE)
    • Thermal shutdown (TSD)
    • Automatic fault recovery
    • Fault indicator pin (nFAULT)

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Description

The DRV8874 is an integrated motor driver with N-channel H-bridge, charge pump, current sensing and proportional output, current regulation, and protection circuitry. The charge pump improves efficiency by supporting N-channel MOSFET half bridges and 100% duty cycle driving. The family of devices come in pin-to-pin RDS(on) variants to support different loads with minimal design changes.

An internal current mirror architecture on the IPROPI pin implements current sensing and regulation. This eliminates the need for a large power shunt resistor, saving board area and reducing system cost. The IPROPI current-sense output allows a microcontroller to detect motor stall or changes in load conditions. Using the external voltage reference pin, VREF, these devices can regulate the motor current during start-up and high-load events without interaction from a microcontroller.

A low-power sleep mode achieves ultra-low quiescent current draw by shutting down most of the internal circuitry. Internal protection features include supply undervoltage lockout, charge pump undervoltage, output overcurrent, and device overtemperature. Fault conditions are indicated on nFAULT.

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Technical documentation

= Top documentation for this product selected by TI
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Type Title Date
* Datasheet DRV8874 H-Bridge Motor Driver With Integrated Current Sense and Regulation datasheet (Rev. A) May 28, 2019
Technical articles Overcoming design challenges for brushed-DC motors in smart sanitation systems Jul. 01, 2020
Application note Various Reference Voltage Driving Techniques for Motor Drive Current Regulation (Rev. A) Jan. 27, 2020
Technical articles Automating smart home blinds, shades and shutters with motor drivers Jan. 02, 2020
Technical articles Automating smart home systems with motor drivers Oct. 24, 2019
Technical articles Using brushed motors to improve battery life and reliability in industrial applications Jul. 17, 2019
Application note Advantages of Integrated Current Sensing Jan. 07, 2019
Application note Small Motors in Large Appliances Jul. 20, 2018
Application note PowerPAD™ Thermally Enhanced Package (Rev. H) Jul. 06, 2018
Application note Using DRV to Drive Solenoids - DRV8876/DRV8702-Q1/DRV8343-Q1 Feb. 19, 2018
Application note PowerPAD™ Made Easy (Rev. B) May 12, 2004

Design & development

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

Hardware development

EVALUATION BOARD Download
59
Description

The DRV8874 evaluation module (EVM) allows easy evaluation of the DRV8874 device.

The DRV8874 device is an integrated H-bridge driver for brushed DC and solenoid applications. The evaluation module allows the device to be configured for PWM, phase/enable, or independent half-bridge control modes. An (...)

Features
  • 4.5-V to 37-V operating voltage range
  • 6-A peak current
  • Configurable control modes including PH/EN, PWM, and independent half-bridge
  • Integrated current sense and current regulation

Software development

SUPPORT SOFTWARE Download
SLVC747B.ZIP (79 KB)

Design tools & simulation

SIMULATION MODEL Download
SLVMCX0A.ZIP (112 KB) - PSpice Model

CAD/CAE symbols

Package Pins Download
HTSSOP (PWP) 16 View options

Ordering & quality

Support & training

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