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A4956 设计用于直流电动机的脉宽调制 (PWM) 控制,可以以 50 V 电压运行,并为所有 n 通道外部 MOSFET 桥提供门驱动器。
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。
内部电流保护包括 VDS 保护、滞后过热关机、VBB 欠压监视及交叉电流保护。
A4956 器件采用低厚度 4x4 mm 20 触点 QFN 封装(后缀“ES”)以及 20 引脚 eTSSOP (后缀“LP”),均带有外露隔热盘。