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DRV8844A
  • DRV8844A

DRV8844A

ACTIVE

65V, 2.5A dual H-bridge motor driver, bipolar supply and independent 1/2-bridge control, PGNDs

Texas Instruments DRV8844A Product Info

1 April 2026 4

Parameters

Control interface

Hardware (GPIO)

Control mode

Independent 1/2-Bridge, PWM

Sleep current (mA)

0.5

Vs (max) (V)

70

Vs (min) (V)

8

Vs ABS (max) (V)

70

Peak output current (A)

2.5

Operating temperature range (°C)

-40 to 125

Rating

Catalog

Topology

Push-Pull

Package

HVSSOP (DGQ)-28-34.79 mm² 7.1 x 4.9

Features

  • Four-channel half-bridge driver
    • Independent control of each half-bridge
    • Can be used as low-side or high-side switch
    • Outputs can be connected in parallel
  • Low MOSFET RDS(ON): 210mΩ per FET
    • 2.5A Maximum Drive Current at 24V, 25°C
  • Bipolar power supply support up to ±32.5V
  • 8V to 65V operating supply voltage range
  • Separate power grounds for connection of optional sense resistors
  • Can drive various types of loads -
    • Four solenoids, valves, or relays
    • Two brushed-DC motors
    • One stepper motor
    • One or two Peltier thermoelectric coolers (TEC)
    • One 3-phase brushless-DC (BLDC) motor
  • Built-in 3.3V, 10mA LDO regulator
  • Industry standard IN/EN digital control interface
  • Protection features
    • VM undervoltage lockout (UVLO)
    • Overcurrent protection (OCP)
    • Thermal shutdown (TSD)
    • Fault condition output (nFAULT)
  • Four-channel half-bridge driver
    • Independent control of each half-bridge
    • Can be used as low-side or high-side switch
    • Outputs can be connected in parallel
  • Low MOSFET RDS(ON): 210mΩ per FET
    • 2.5A Maximum Drive Current at 24V, 25°C
  • Bipolar power supply support up to ±32.5V
  • 8V to 65V operating supply voltage range
  • Separate power grounds for connection of optional sense resistors
  • Can drive various types of loads -
    • Four solenoids, valves, or relays
    • Two brushed-DC motors
    • One stepper motor
    • One or two Peltier thermoelectric coolers (TEC)
    • One 3-phase brushless-DC (BLDC) motor
  • Built-in 3.3V, 10mA LDO regulator
  • Industry standard IN/EN digital control interface
  • Protection features
    • VM undervoltage lockout (UVLO)
    • Overcurrent protection (OCP)
    • Thermal shutdown (TSD)
    • Fault condition output (nFAULT)

Description

The DRV8844A is a four-channel, individually controllable half-bridge driver for a wide range of applications. The device supports up to 2.5A peak or 1.75A RMS output current at 24V and 25°C with proper PCB heatsinking. The output stage of the device consists of N-channel power MOSFETs configured as four independent half-bridges, allowing the device to be used for driving two DC motors, one stepper motor, four solenoids, or other loads. Each output can be a LS switch (low-side switch), HS switch (high-side switch), or a push-pull output driver.

Separate inputs to independently control each 1/2-H-bridge are provided. To allow operation with split (positive and negative) power supplies, the logic inputs and nFAULT output are referenced to a separate floating ground pin. Additionally, the DRV8844A supports the connection of sense resistors on each individual half-bridge, allowing for current sensing at the system level for applications such as motor control.

Internal shutdown functions are provided for over current protection, short circuit protection, undervoltage lockout, and overtemperature.

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