Part Number:TPS23881B
你好,我们选用TPS23881B作为PSE 802.3 BT应用,实际电路没有任何MCU来控制,器件本身的IIC接口也没有引出,通过AUTO引脚7.7K下来配置为自主模式。但是芯片上电以后没有输出,MOS栅极也没有驱动信号输出且芯片INT引脚输出低。附图为我们的应用原理
图。望TI技术人员提供一下支持。
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