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DRV8844 - 产品图解：
DRV8844-四路 1/2 H 桥驱动器 IC
DRV8844-集成FET的有刷直流驱动器-有刷直流(BDC)驱动器-电机驱动器
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TI产品 - DRV8844介绍

DRV8844 - 四路 1/2 H 桥驱动器 IC

DRV8844是TI德州仪器公司的一款集成FET的有刷直流驱动器产品，DRV8844是四路 1/2 H 桥驱动器 IC，本站介绍了DRV8844的封装应用图解、特点和优点、功能等，并给出了与DRV8844相关的TI元器件型号供参考。

DRV8844 - 四路 1/2 H 桥驱动器 IC - 集成FET的有刷直流驱动器 - 有刷直流(BDC)驱动器 - 德州仪器

产品特性
  • Quad 1/2-H-Bridge DC Motor Driver
    • Can Drive Four Solenoids, Two DC Motors, One Stepper Motor, or Other Loads
    • Full Individual Half Bridge Control
    • Low MOSFET On-Resistance
  • 2.5-A Maximum Drive Current at 24 V, 25°C
  • Floating Input Buffers Allow Dual (Bipolar) Supplies (up to ±30 V)
  • Built-In 3.3-V, 10-mA LDO Regulator
  • Industry Standard IN/IN Digital Control Interface
  • 8-V to 60-V Operating Supply Voltage Range
  • Thermally Enhanced Surface Mount Package
产品应用
  • Textile Machines
  • Office Automation Machines
  • Gaming Machines
  • Factory Automation
  • Robotics
产品说明

The DRV8844 provides four individually controllable 1/2-H-bridge drivers. It can be used to drive two DC motors, one stepper motor, four solenoids, or other loads. The output driver channel for each channel consists of N-channel power MOSFET’s configured in a 1/2-H-bridge configuration.

The DRV8844 can supply up to 2.5-A peak or 1.75-A RMS output current per channel (with proper PCB heatsinking at 24 V and 25°C) per H-bridge.

Separate inputs to independently control each 1/2-H-bridge are provided. To allow operation with split supplies, the logic inputs and nFAULT output are referenced to a separate floating ground pin.

Internal shutdown functions are provided for over current protection, short circuit protection, under voltage lockout and overtemperature.

The DRV8844 is available in a 28-pin HTSSOP package with PowerPAD™ (Eco-friendly: RoHS & no Sb/Br).

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
DRV8844HTSSOP (28)9.70 mm x 4.40 mm
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