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DRV8704 - 产品图解：
DRV8704-DRV8704 双通道 H 桥 PWM 栅极驱动器
DRV8704-有刷直流栅极驱动器-有刷直流(BDC)驱动器-电机驱动器
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TI产品 - DRV8704介绍

DRV8704 - DRV8704 双通道 H 桥 PWM 栅极驱动器

DRV8704是TI德州仪器公司的一款有刷直流栅极驱动器产品，DRV8704是DRV8704 双通道 H 桥 PWM 栅极驱动器，本站介绍了DRV8704的封装应用图解、特点和优点、功能等，并给出了与DRV8704相关的TI元器件型号供参考。

DRV8704 - DRV8704 双通道 H 桥 PWM 栅极驱动器 - 有刷直流栅极驱动器 - 有刷直流(BDC)驱动器 - 德州仪器

产品特性
  • Pulse Width Modulation (PWM) Motor Driver
    • Drives External N-Channel MOSFETs
    • PWM Control Interface for Dual DC Motors
    • Supports 100% PWM Duty Cycle
  • 8-V to 52-V Operating Supply Voltage Range
  • Adjustable Gate Drive (4 Levels)
    • 50-mA to 200-mA Source Current
    • 100-mA to 400-mA Sink Current
  • Integrated PWM Current Regulation
  • Flexible Decay Modes
    • Automatic Mixed Decay Mode
    • Slow Decay
    • Fast Decay
    • Mixed Decay (Adjustable Percent Fast)
  • Highly Configurable SPI
  • Torque DAC to Digitally Scale Current
  • Low-Current Sleep Mode (65 μA)
  • 5-V, 10-mA LDO Regulator
  • Thermally-Enhanced Surface-Mount Package
    • 38-Pin HTSSOP (PowerPAD)

    • SPACER

  • Protection Features
    • VM Undervoltage Lockout (UVLO)
    • Gate Driver Fault (PDF)
    • Overcurrent Protection (OCP)
    • Thermal Shutdown (TSD)
    • Fault Condition Indication Pin (nFAULT)
    • Fault Diagnostics through SPI
产品应用
  • Automatic Teller and Money Handling Machines
  • Office Automation Machines
  • Factory Automation and Robotics
  • Textile Machines
产品说明

The DRV8704 is a dual-brushed motor controller for industrial equipment applications. The device controls external N-channel MOSFETs configured as two H-bridges.

Motor current can be accurately controlled using adaptive blanking time and various current decay modes, including an automatic mixed decay mode.

A simple PWM interface allows easy interfacing to controller circuits. A SPI serial interface is used to program the device operation. Output current (torque), gate drive settings, and decay mode are all programmable through a SPI serial interface.

Internal shutdown functions are provided for overcurrent protection, short-circuit protection, gate driver faults, undervoltage lockout (UVLO), and overtemperature. Fault conditions are indicated by a FAULTn pin, and each fault condition is reported by a dedicated bit through SPI.

The DRV8704 is packaged in a PowerPAD™ 38-pin HTSSOP package with thermal pad (Eco-friendly: RoHS & no Sb/Br).

Device Information (1)
PART NUMBERPACKAGEBODY SIZE (NOM)
DRV8704HTSSOP (38)9.70 mm × 4.40 mm
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