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A4950: 全桥式 DMOS PWM 电动机驱动器

A4950 ECAD Model
A4950 数据手册
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Description

Top Features

通过脉宽调制 (PWM) 控制直流电动机，A4950 能够提供 ±3.5  安培的峰值输出电流，工作电压为 40  伏特。

该产品可提供输入端子，通过外部施加的 PWM 控制信号控制直流电动机的速度与方向。采用内部同步整流控制电路降低脉宽调制 (PWM) 操作时的功率消耗。

内部电路保护包括过电流保护、电动机引脚接地短路或电源短路、带时延的过热关机、VBB 欠压监视以及交叉电流保护。

A4950 采用带有外露散热板的 8 引脚 SOICN 小型封装（后缀 LJ）。该封装为无铅封装，且引脚框采用 100% 雾锡电镀。

  • 低 RDS(开) 输出
  • 过电流保护 (OCP)
    • 电动机短路保护
    • 电动机引脚接地短路保护
    • 电动机引脚电池短路保护
  • 低功耗待机模式
  • 可调 PWM 电流限制
  • 同步整流
  • 内部欠压锁定 (UVLO)
  • 交叉电流保护

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Part Number Specifications and Availability

Documentation and Resources

Documentation

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Documents Found: 32
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Brochure: Battery Management Systems
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DC Fast Charging: Faster and Farther
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Comfort Through Sustainability - Unlock the Power of Heat Pump Innovation
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A4950 Evaluation Board User Guide