This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

BQ76952: 请问为何BQ76952的I2C接口无应答

Part Number: BQ76952


TI您好:

    我们在使用BQ76952的时候,之前使用I2C读取电压电流等状态都一切正常,某天突然无法读取,无论使用硬件或软件I2C都是如此;

I2C波形在发送0x10后返回NACK;量REG18引脚有1.8V,ALERT引脚为高电平,复位RST和TS2引脚都没用;

而且连换了3颗BQ76952以及MCU等外围元件都一样;请问是哪里出了问题?谢谢!