Product details

Rating Catalog Control method External Control, Trapezoidal Control Architecture Gate Driver Control interface 6xPWM, 3xPWM, 1xPWM Gate drive (A) 1 Vs (Min) (V) 6 Vs ABS (Max) (V) 65 Features Current Sense Amplifier, Hardware Management I/F, SPI/I2C, Smart Gate Drive Operating temperature range (C) -40 to 125
Rating Catalog Control method External Control, Trapezoidal Control Architecture Gate Driver Control interface 6xPWM, 3xPWM, 1xPWM Gate drive (A) 1 Vs (Min) (V) 6 Vs ABS (Max) (V) 65 Features Current Sense Amplifier, Hardware Management I/F, SPI/I2C, Smart Gate Drive Operating temperature range (C) -40 to 125
WQFN (RTA) 40 36 mm² 6 x 6
  • Triple Half-Bridge Gate Driver
    • Drives 3 High-Side and 3 Low-Side N-Channel MOSFETs (NMOS)
  • Smart Gate Drive Architecture
    • Adjustable Slew Rate Control
    • 10-mA to 1-A Peak Source Current
    • 20-mA to 2-A Peak Sink Current
  • Integrated Gate Driver Power Supplies
    • Supports 100% PWM Duty Cycle
    • High-Side Charge Pump
    • Low-Side Linear Regulator
  • 6 to 60-V Operating Voltage Range
  • Optional Integrated Buck Regulator
    • LMR16006X SIMPLE SWITCHER®
    • 4 to 60-V Operating Voltage Range
    • 0.8 to 60-V, 600-mA Output Capability
  • Optional Integrated Triple Current Sense Amplifiers (CSAs)
    • Adjustable Gain (5, 10, 20, 40 V/V)
    • Bidirectional or Unidirectional Support
  • SPI and Hardware Interface Available
  • 6x, 3x, 1x, and Independent PWM Modes
  • Supports 1.8-V, 3.3-V, and 5-V Logic Inputs
  • Low-Power Sleep Mode (12 µA)
  • Linear Voltage Regulator, 3.3 V, 30 mA
  • Compact QFN Packages and Footprints
  • Efficient System Design With Power Blocks
  • Integrated Protection Features
    • VM Undervoltage Lockout (UVLO)
    • Charge Pump Undervoltage (CPUV)
    • MOSFET Overcurrent Protection (OCP)
    • Gate Driver Fault (GDF)
    • Thermal Warning and Shutdown (OTW/OTSD)
    • Fault Condition Indicator (nFAULT)
  • Triple Half-Bridge Gate Driver
    • Drives 3 High-Side and 3 Low-Side N-Channel MOSFETs (NMOS)
  • Smart Gate Drive Architecture
    • Adjustable Slew Rate Control
    • 10-mA to 1-A Peak Source Current
    • 20-mA to 2-A Peak Sink Current
  • Integrated Gate Driver Power Supplies
    • Supports 100% PWM Duty Cycle
    • High-Side Charge Pump
    • Low-Side Linear Regulator
  • 6 to 60-V Operating Voltage Range
  • Optional Integrated Buck Regulator
    • LMR16006X SIMPLE SWITCHER®
    • 4 to 60-V Operating Voltage Range
    • 0.8 to 60-V, 600-mA Output Capability
  • Optional Integrated Triple Current Sense Amplifiers (CSAs)
    • Adjustable Gain (5, 10, 20, 40 V/V)
    • Bidirectional or Unidirectional Support
  • SPI and Hardware Interface Available
  • 6x, 3x, 1x, and Independent PWM Modes
  • Supports 1.8-V, 3.3-V, and 5-V Logic Inputs
  • Low-Power Sleep Mode (12 µA)
  • Linear Voltage Regulator, 3.3 V, 30 mA
  • Compact QFN Packages and Footprints
  • Efficient System Design With Power Blocks
  • Integrated Protection Features
    • VM Undervoltage Lockout (UVLO)
    • Charge Pump Undervoltage (CPUV)
    • MOSFET Overcurrent Protection (OCP)
    • Gate Driver Fault (GDF)
    • Thermal Warning and Shutdown (OTW/OTSD)
    • Fault Condition Indicator (nFAULT)

The DRV832x family of devices is an integrated gate driver for three-phase applications. The devices provide three half-bridge gate drivers, each capable of driving high-side and low-side N-channel power MOSFETs. The DRV832x generates the correct gate drive voltages using an integrated charge pump for the high-side MOSFETs and a linear regulator for the low-side MOSFETs. The Smart Gate Drive architecture supports peak gate drive currents up to 1-A source and 2-A. The DRV832x can operate from a single power supply and supports a wide input supply range of 6 to 60 V for the gate driver and 4 to 60 V for the optional buck regulator.

The 6x, 3x, 1x, and independent input PWM modes allow for simple interfacing to controller circuits. The configuration settings for the gate driver and device are highly configurable through the SPI or hardware (H/W) interface. The DRV8323 and DRV8323R devices integrate three low-side current sense amplifiers that allow bidirectional current sensing on all three phases of the drive stage. The DRV8320R and DRV8323R devices integrate a 600-mA buck regulator.

A low-power sleep mode is provided to achieve low quiescent current draw by shutting down most of the internal circuitry. Internal protection functions are provided for undervoltage lockout, charge pump fault, MOSFET overcurrent, MOSFET short circuit, gate driver fault, and overtemperature. Fault conditions are indicated on the nFAULT pin with details through the device registers for SPI device variants.

The DRV832x family of devices is an integrated gate driver for three-phase applications. The devices provide three half-bridge gate drivers, each capable of driving high-side and low-side N-channel power MOSFETs. The DRV832x generates the correct gate drive voltages using an integrated charge pump for the high-side MOSFETs and a linear regulator for the low-side MOSFETs. The Smart Gate Drive architecture supports peak gate drive currents up to 1-A source and 2-A. The DRV832x can operate from a single power supply and supports a wide input supply range of 6 to 60 V for the gate driver and 4 to 60 V for the optional buck regulator.

The 6x, 3x, 1x, and independent input PWM modes allow for simple interfacing to controller circuits. The configuration settings for the gate driver and device are highly configurable through the SPI or hardware (H/W) interface. The DRV8323 and DRV8323R devices integrate three low-side current sense amplifiers that allow bidirectional current sensing on all three phases of the drive stage. The DRV8320R and DRV8323R devices integrate a 600-mA buck regulator.

A low-power sleep mode is provided to achieve low quiescent current draw by shutting down most of the internal circuitry. Internal protection functions are provided for undervoltage lockout, charge pump fault, MOSFET overcurrent, MOSFET short circuit, gate driver fault, and overtemperature. Fault conditions are indicated on the nFAULT pin with details through the device registers for SPI device variants.

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DRV8304 ACTIVE 40-V max 3-phase smart gate driver with current shunt amplifier Features absolute maximum rating of 40-V
DRV8353 ACTIVE 102-V max 3-phase smart gate driver with current shunt amplifiers Features absolute maximum rating of 102-V
Similar functionality to the compared device.
DRV8320 ACTIVE 65-V max 3-phase smart gate driver No current sense amplifiers.
DRV8323R ACTIVE 65-V max 3-phase smart gate driver with buck regulator & current shunt amplifiers Features an integrated buck regulator

Technical documentation

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Type Title Date
* Data sheet DRV832x 6 to 60-V Three-Phase Smart Gate Driver datasheet (Rev. C) 24 Aug 2018
Technical article Understanding brushless-DC motor systems, part 2 20 Oct 2021
Technical article Understanding brushless-DC motor systems, part 1 18 Oct 2021
Application note Best Practices for Board Layout of Motor Drivers (Rev. B) 14 Oct 2021
Application note Hardware Design Considerations for an Electric Bicycle using BLDC Motor (Rev. B) 23 Jun 2021
Application note System Design Considerations for High-Power Motor Driver Applications 22 Jun 2021
Application note MSP430 and DRV83xx Selection Guide for Power Tools (Rev. A) 14 Jun 2021
Application note Brushless-DC Made Simple – Sensored Motor Control (Rev. B) 13 Apr 2021
Application note Understanding Smart Gate Drive (Rev. D) 01 Mar 2021
Technical article A basic brushless gate driver design – part 3: integrated vs. discrete half bridges 16 Dec 2020
Application note Low Voltage Motor Drive Operation With Smart Gate Drive 20 Dec 2018
Application note Architecture for Brushless-DC Gate Drive Systems (Rev. A) 22 Aug 2018
Application note Field Oriented Control Made Easy for Brushless DC Motors Using Smart Gate Drive (Rev. B) 22 Aug 2018
Application note Cut-Off Switch in High-Current Motor-Drive Applications (Rev. A) 20 Aug 2018
Technical article Connectivity helps integrate intelligent motor control on a single MCU 06 Jun 2018
User guide BOOSTXL-DRV8323Rx EVM User’s Guide (Rev. C) 27 Mar 2018
Application note Layout Guide for the DRV832x Family of Three-Phase Smart Gate Drivers 01 Mar 2018
User guide BOOSTXL-DRV832X EVM GUI User’s Guide 08 Feb 2017
User guide DRV832XX EVM Sensorless Software User's Guide 08 Feb 2017
User guide DRV832XXEVM Sensored Software User's Guide 08 Feb 2017
Application note Sensored 3-Phase BLDC Motor Control Using MSP430 20 Jul 2011

Design & development

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

Evaluation board

BOOSTXL-DRV8323RH — DRV8323RH Three-Phase Smart Gate Driver With Buck, Shunt Amps (Hardware Interface) Evaluation Module

The BOOSTXL-DRV8323RH is a 15A, 3-phase brushless DC drive stage based on the DRV8323RH gate driver and CSD88599Q5DC NexFETTM power blocks.  The module has individual DC bus and phase voltage sense as well as individual low-side current shunt amplifiers, making this EVM ideal for sensorless (...)
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Evaluation board

BOOSTXL-DRV8323RS — DRV8323RS three-phase smart gate driver with buck, shunt amps (SPI interface) evaluation module

The BOOSTXL-DRV8323RS is a 15A, 3-phase brushless DC drive stage based on the DRV8323RH gate driver and CSD88599Q5DC NexFETTM power blocks. The module has individual DC bus and phase voltage sense as well as individual low-side current shunt amplifiers, making this evaluation module ideal for (...)

In stock
Limit: 3
Reference designs

TIDA-01516 — Single Microcontroller 18-V/600-W BLDC Motor Control Reference Design With Bluetooth® Low Energy 5.0

This reference design offers a Bluetooth® 5.0 SimpleLink™ option with better industrial noise immunity, more range, and less power for industrial applications such as power tools that operate from a 5- cell Li-ion battery. This power stage reference design uses a single Bluetooth low (...)
Reference designs

TIDA-00774 — 18V/1kW, 160A Peak, >98% Efficient, High Power Density Brushless Motor Drive Reference Design

The TIDA-00774 is a 1kW drive for a three-phase brushless DC (BLDC) motor in power tools operating from a 5-cell Li-ion battery with a voltage up to 21 V. The design is a 65mm x 60mm compact drive, implementing sensor-based trapezoidal control. The design takes advantage of TI's MOSFET Power Block (...)
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WQFN (RTA) 40 View options

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