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DRV8843 - 产品图解：
DRV8843-2.5A 双路刷式或单路双极步进电机驱动器（PWM 控制器）
DRV8843-集成FET的步进栅极驱动器-步进驱动器-电机驱动器
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TI产品 - DRV8843介绍

DRV8843 - 2.5A 双路刷式或单路双极步进电机驱动器（PWM 控制器）

DRV8843是TI德州仪器公司的一款集成FET的步进栅极驱动器产品，DRV8843是2.5A 双路刷式或单路双极步进电机驱动器（PWM 控制器），本站介绍了DRV8843的封装应用图解、特点和优点、功能等，并给出了与DRV8843相关的TI元器件型号供参考。

DRV8843 - 2.5A 双路刷式或单路双极步进电机驱动器（PWM 控制器） - 集成FET的步进栅极驱动器 - 步进驱动器 - 德州仪器

产品特性
  • Dual H-Bridge Motor Driver
    • Single/Dual Brushed DC
    • Stepper
  • IN/IN Control Interface
  • Optional Fixed Frequency Current Regulation
    • Two Bit Current control Allows Up to Four Current Levels
  • Low MOSFET On-Resistance
    • 2.5-A Maximum Drive Current at 24 V and TA = 25°C
    • Combined 400 mΩ RDS(ON) of High-Side and Low-Side at 24 V and TA = 25°C
  • 8.2-V to 45-V Operating Supply Voltage Range
  • Low Current Sleep Mode
  • Built-In 3.3-V Reference Output
  • Thermally Enhanced Surface Mount Package
  • Protection Features
    • Overcurrent Protection (OCP)
    • Thermal Shutdown (TSD)
    • Undervoltage Lockout (UVLO)
    • Fault Condition Indication Pin (nFAULT)
产品应用
  • Printers
  • Scanners
  • Office Automation Machines
  • Gaming Machines
  • Factory Automation
  • Robotics
产品说明

The DRV8843 provides an integrated dual H-bridge motor driver solution for printers, scanners, and other automated equipment applications. The device can be used to drive one or two brushed DC motors, a bipolar stepper motor, or other loads. A simple PWM interface allows easy interfacing to controller circuits.

The output driver block consists of N-channel power MOSFETs configured as H-bridges. The DRV8843 an supply up to 2.5-A peak or 1.75-A RMS output current (with proper heat sinking at 24 V and TA = 25°C) per H-bridge.

A low-power sleep mode is provided which shuts down internal circuitry to achieve very low quiescent current draw. This sleep mode can be set using a dedicated nSLEEP pin.

Internal protection features are provided for overtemperature, overcurrent, and undervoltage. Fault conditions are indicated by a nFAULT pin.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
DRV8843HTSSOP (28)9.70 mm × 4.40 mm
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