DRV8332

ACTIVE

70-V max, 9.7A peak 3-phase motor driver with heatsink connection

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Product details

Parameters

Rating Catalog Control method External Control Architecture Integrated FET Control interface 3xPWM RDS(ON) (HS + LS) (mOhms) 220 Peak output current (A) 13 Vs (Min) (V) 10.8 Vs ABS (Max) (V) 70 Features Integrated FETs Operating temperature range (C) -40 to 85 open-in-new Find other Brushless DC (BLDC) motor drivers

Package | Pins | Size

HSSOP (DKD) 36 226 mm² 15.9 x 14.2 open-in-new Find other Brushless DC (BLDC) motor drivers

Features

  • High-Efficiency Power Stage (up to 97%) With Low RDS(on)
    MOSFETs (80 mΩ at TJ = 25°C)
  • Operating Supply Voltage up to 50 V
    (70-A Absolute Maximum)
  • DRV8312 (Power Pad Down): up to 3.5-A Continuous
    Phase Current (6.5-A Peak)
  • DRV8332 (Power Pad Up): up to 8-A Continuous Phase
    Current (13-A Peak)
  • Independent Control of Three Phases
  • PWM Operating Frequency up to 500 kHz
  • Integrated Self-Protection Circuits Including Undervoltage,
    Overtemperature, Overload, and Short Circuit
  • Programmable Cycle-by-Cycle Current Limit Protection
  • Independent Supply and Ground Pins for Each Half Bridge
  • Intelligent Gate Drive and Cross Conduction Prevention
  • No External Snubber or Schottky Diode is Required
  • APPLICATIONS
    • BLDC Motors
    • Three-Phase Permanent Magnet Synchronous Motors
    • Inverters
    • Half Bridge Drivers
    • Robotic Control Systems

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Description

The DRV83x2 are high-performance, integrated three-phase motor drivers with an advanced protection system.

Because of the low RDS(on) of the power MOSFETs and intelligent gate drive design, the efficiency of these motor drivers can be up to 97%. This high efficiency the use of smaller power supplies and heatsinks, and the devices are good candidates for energy-efficient applications.

The DRV83x2 require two power supplies, one at 12 V for GVDD and VDD, and another up to 50 V for PVDD. The DRV83x2 can operate at up to 500-kHz switching frequency while still maintaining precise control and high efficiency. The devices also have an innovative protection system safeguarding the device against a wide range of fault conditions that could damage the system. These safeguards are short-circuit protection, overcurrent protection, undervoltage protection, and two-stage thermal protection. The DRV83x2 have a current-limiting circuit that prevents device shutdown during load transients such as motor start-up. A programmable overcurrent detector allows adjustable current limit and protection level to meet different motor requirements.

The DRV83x2 have unique independent supply and ground pins for each half-bridge. These pins make it possible to provide current measurement through external shunt resistor and support half bridge drivers with different power supply voltage requirements.

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Technical documentation

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Type Title Date
* Data sheet DRV83x2 Three-Phase PWM Motor Driver datasheet (Rev. E) Dec. 31, 2014
Application note Hardware Design Considerations for an Electric Bicycle using BLDC Motor (Rev. B) Jun. 23, 2021
Technical article A basic brushless gate driver design – part 3: integrated vs. discrete half bridges Dec. 16, 2020
Application note Hardware Design Considerations for an Efficient Vacuum Cleaner Using a BLDC Moto (Rev. B) Mar. 06, 2019
Application note Best Practices for Board Layout of Motor Drivers (Rev. A) Jan. 22, 2019
Technical article Connectivity helps integrate intelligent motor control on a single MCU Jun. 06, 2018
Technical article Cut the power and complexity of your appliance designs Feb. 06, 2018
Technical article Six weird ways to design with a brushless-DC driver Aug. 28, 2017
Application note Sensored 3-Phase BLDC Motor Control Using MSP430 Jul. 20, 2011

Design & development

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CAD/CAE symbols

Package Pins Download
HSSOP (DKD) 36 View options

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