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DRV8378

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70V max 16A peak 3-phase motor driver with integrated current sensing and integrated FETs

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Data sheet

DRV8378

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Data sheet Order now

Product details

Rating Catalog Architecture Integrated FET Control interface 3xPWM, 6xPWM Peak output current (A) 16 Vs (min) (V) 4.5 Vs ABS (max) (V) 70 Features Integrated FET Operating temperature range (°C) -40 to 150
Rating Catalog Architecture Integrated FET Control interface 3xPWM, 6xPWM Peak output current (A) 16 Vs (min) (V) 4.5 Vs ABS (max) (V) 70 Features Integrated FET Operating temperature range (°C) -40 to 150
VQFN-FCRLF (VER) 23 24 mm² 4 x 6
  • Three-phase BLDC motor driver
  • 4.5V to 65V operating voltage (70V abs max)
  • High output current capability: 16A Peak
  • Low MOSFET on-state resistance
    • 58mΩ RDS(ON) (HS + LS) at TA = 25°C
  • Advanced MOSFET switching technique to reduce switching loss with 1.1V/ns @24V slew rate and negligible reverse recovery loss
  • Ultra-low dead time < 50ns, and propagation delay < 200ns, to minimize current distortion in motor drives enabling lower audible noise and improved control accuracy
  • Low power sleep mode
  • Multiple control interface options
    • 6x PWM control interface
    • 3x PWM control interface
  • Does not require external current sense resistors, built-in current sensing
  • Integrated charge pump supporting 100% duty cycle
  • Active demagnetization and automatic synchronous rectification to reduce power losses
  • Ultra-small package option of 6x4mm, 5x7mm
  • Built-in 5V (5%), 30mA LDO regulator (GVDD), for internal predrivers and external load
  • Flexible device configuration options
    • DRV8378S: 5MHz 16bit SPI for device configuration and fault status, with internal GVDD regulator
    • DRV8378G: 5MHz 16bit SPI for device configuration and fault status, with external 5V for predrivers
    • DRV8378H: Hardware pin based configuration, with internal GVDD regulator
  • Supports 1.8V, 3.3V, and 5V logic inputs
  • Integrated protection features
    • Supply under voltage lockout (UVLO)
    • Charge pump under voltage (CPUV)
    • Overcurrent protection (OCP)
    • Thermal warning and shutdown (OTW/OTSD)
    • Fault condition indication pin (nFAULT)
  • Three-phase BLDC motor driver
  • 4.5V to 65V operating voltage (70V abs max)
  • High output current capability: 16A Peak
  • Low MOSFET on-state resistance
    • 58mΩ RDS(ON) (HS + LS) at TA = 25°C
  • Advanced MOSFET switching technique to reduce switching loss with 1.1V/ns @24V slew rate and negligible reverse recovery loss
  • Ultra-low dead time < 50ns, and propagation delay < 200ns, to minimize current distortion in motor drives enabling lower audible noise and improved control accuracy
  • Low power sleep mode
  • Multiple control interface options
    • 6x PWM control interface
    • 3x PWM control interface
  • Does not require external current sense resistors, built-in current sensing
  • Integrated charge pump supporting 100% duty cycle
  • Active demagnetization and automatic synchronous rectification to reduce power losses
  • Ultra-small package option of 6x4mm, 5x7mm
  • Built-in 5V (5%), 30mA LDO regulator (GVDD), for internal predrivers and external load
  • Flexible device configuration options
    • DRV8378S: 5MHz 16bit SPI for device configuration and fault status, with internal GVDD regulator
    • DRV8378G: 5MHz 16bit SPI for device configuration and fault status, with external 5V for predrivers
    • DRV8378H: Hardware pin based configuration, with internal GVDD regulator
  • Supports 1.8V, 3.3V, and 5V logic inputs
  • Integrated protection features
    • Supply under voltage lockout (UVLO)
    • Charge pump under voltage (CPUV)
    • Overcurrent protection (OCP)
    • Thermal warning and shutdown (OTW/OTSD)
    • Fault condition indication pin (nFAULT)

The DRV8378 provides a single-chip integrated FET power stage for driving brushless-DC motors. The DRV8378 integrates three 1/2-H bridges with 70V absolute maximum capability and a very low RDS(ON) of 58mΩ (high-side plus low-side) to enable high power drive capability. Current is sensed using an integrated current sensing feature which eliminates the need for external sense resistors. An integrated LDO generate the necessary voltage rails for the device and can be used to power external circuits. Each output driver channel consists of N-channel power MOSFETs configured in a half-bridge configuration.

DRV8378 implements a 6x or 3x PWM control scheme which can be used to implement sensored or sensorless field-oriented control (FOC), sinusoidal control, or trapezoid control using an external microcontroller. The DRV8378 is capable of driving a PWM frequency up to 200kHz.

The DRV8378 provides a single-chip integrated FET power stage for driving brushless-DC motors. The DRV8378 integrates three 1/2-H bridges with 70V absolute maximum capability and a very low RDS(ON) of 58mΩ (high-side plus low-side) to enable high power drive capability. Current is sensed using an integrated current sensing feature which eliminates the need for external sense resistors. An integrated LDO generate the necessary voltage rails for the device and can be used to power external circuits. Each output driver channel consists of N-channel power MOSFETs configured in a half-bridge configuration.

DRV8378 implements a 6x or 3x PWM control scheme which can be used to implement sensored or sensorless field-oriented control (FOC), sinusoidal control, or trapezoid control using an external microcontroller. The DRV8378 is capable of driving a PWM frequency up to 200kHz.
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* Data sheet DRV8378 Three-Phase Integrated FET Motor Driver (short) datasheet PDF | HTML 18 May 2026
Application note Optimizing Low-Side Current Sensing with DRV8376: Mitigating Gain Error and Temperature Drift PDF | HTML 23 Jul 2025

Design & development

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Evaluation board

DRV8376EVM — DRV8376 evaluation module

The DRV8376EVM is an integrated driver IC evaluation module for three-phase motor driver applications and provides single-chip power stage design for customers driving 4.5V to 65V brushless DC motors. Along with the hardware of the DRV8376, the TMS320F280049C microcontroller-based board has (...)
User guide: PDF | HTML
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VQFN-FCRLF (VER) 23 Ultra Librarian
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