请问在什么条件下会产生 watchdog错误呢?
做实验, 没有接MCU的情况下,直接外接电源+5V 和电池, 看在默认条件下是否可以充电, 结果发现不能充 。
用MCU 去读BQ25895的错误状态, 发现是watchdong产生了,
为什么会发生这种情况 ?
Bill
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BQ25895是I2C控制的充电芯片,默认情况下需要喂狗,也可以设置关闭看门狗,但是必须要MCU接管。可以仔细看看规格书。