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BQ76952: 无法和bqStudio通信

Part Number: BQ76952
Other Parts Discussed in Thread: BQSTUDIO, , EV2400

参考BQ76952_2Layer_TestBoard_Altium文件进行电路板设计,使用BQ76952做了一个10S的保护板,具体设计见贴图。接入电池组后,测量到REG18有1.8V电压输出,REG1没有电压。PC通过EV2400使用I2C接口进行通信,bqStudio提示无法找到设备。