DRV8320R

ACTIVE

65-V max 3-phase smart gate driver with buck regulator

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Product details

Parameters

Rating Catalog Control method External Control, Trapezoidal Control Architecture Gate Driver Gate drive (A) 1 Vs (Min) (V) 6 Vs ABS (Max) (V) 65 Control I/F 6xPWM, 3xPWM, 1xPWM Features Buck Step Down Converter, Hardware Management I/F, SPI/I2C, Smart Gate Drive Operating temperature range (C) -40 to 125 Approx. price (US$) 1.76 | 1ku open-in-new Find other Brushless DC (BLDC) motor drivers

Package | Pins | Size

VQFN (RHA) 40 36 mm² 6 x 6 open-in-new Find other Brushless DC (BLDC) motor drivers

Features

  • 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)

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Description

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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Technical documentation

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Type Title Date
* Datasheet DRV832x 6 to 60-V Three-Phase Smart Gate Driver datasheet (Rev. C) Aug. 24, 2018
Application notes Hardware Design Considerations for an Electric Bicycle using BLDC Motor (Rev. A) Jun. 17, 2019
Technical articles Anything but discrete: How to simplify 48-V to 60-V DC-fed three-phase inverter design Feb. 01, 2019
Application notes Best Practices for Board Layout of Motor Drivers (Rev. A) Jan. 22, 2019
Application notes Low Voltage Motor Drive Operation With Smart Gate Drive Dec. 20, 2018
Application notes Understanding Smart Gate Drive (Rev. C) Nov. 27, 2018
Application notes Architecture for Brushless-DC Gate Drive Systems (Rev. A) Aug. 22, 2018
Application notes Brushless-DC Made Simple – Sensored Motor Control (Rev. A) Aug. 22, 2018
Application notes Field Oriented Control Made Easy for Brushless DC Motors Using Smart Gate Drive (Rev. B) Aug. 22, 2018
Application notes Cut-Off Switch in High-Current Motor-Drive Applications (Rev. A) Aug. 20, 2018
User guides BOOSTXL-DRV8323Rx EVM User’s Guide (Rev. C) Mar. 27, 2018
Application notes Layout Guide for the DRV832x Family of Three-Phase Smart Gate Drivers Mar. 01, 2018
Technical articles Integrated intelligence part 3: motor startup from standstill position Dec. 11, 2017
Technical articles Integrated intelligence part 2: motor startup open loop acceleration Dec. 04, 2017
Technical articles Six weird ways to design with a brushless-DC driver Aug. 28, 2017
User guides BOOSTXL-DRV832X EVM GUI User’s Guide Feb. 08, 2017
User guides DRV832XX EVM Sensorless Software User's Guide Feb. 08, 2017
User guides DRV832XXEVM Sensored Software User's Guide Feb. 08, 2017
Application notes AN-1149 Layout Guidelines for Switching Power Supplies (Rev. C) Apr. 23, 2013
Application notes Sensored 3-Phase BLDC Motor Control Using MSP430 Jul. 20, 2011

Design & development

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

Hardware development

EVALUATION BOARDS Download
document-generic User guide
$79.00
Description
The BOOSTXL-DRV8320RS is a 15A, 3-phase brushless DC drive stage based on the DRV8320RS gate driver and CSD88599Q5DC NexFET power blocks.  The module has individual DC bus and phase voltage sense, making this evaluation module ideal for sensorless BLDC algorithms.  The module supplies MCU (...)
Features
  • 6- to 54-V operation
  • 15 A continuous / 20 A peak H-bridge output current
  • External buck regulator
  • External current shunt amplifier
  • Sensored or sensorless BLDC firmware available
  • SPI interface for fault register readings, IDRIVE configurations
EVALUATION BOARDS Download
document-generic User guide
$79.00
Description
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 BLDC (...)
Features
  • 6- to 54-V Operation
  • 15 A continuous / 20 A peak H-bridge output current15 A continuous / 20 A peak H-bridge output current
  • Three Integrated Current Shunt Amplifiers
  • Sensored or Sensorless BLDC Firmware Available
EVALUATION BOARDS Download
document-generic User guide
$79.00
Description
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 (...)
Features
  • 6V to 54V Operation
  • 15A Continuous / 20A Peak H-bridge Output Current
  • Integrated 600mA Buck Regulator
  • Three Integrated Current Shunt Amplifiers
  • Sensored or Sensorless BLDC Firmware Available

CAD/CAE symbols

Package Pins Download
VQFN (RHA) 40 View options

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Videos

Smart Gate Drive Technology

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Posted: 14-Jan-2018
Duration: 03:00

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