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TIDA00449功耗问题



TI你好,想请教下各位网友,TI的TIDA00449这个例程里面,板子自身的损耗大概多少,我按照原理图设计后,在放电到41V后,放电mos关断的情况下,测试总负的电流大概在600uA,所以,放完电的包,放置一天不到,电芯电就被放完了,量测各个电阻计算损耗并不大,那600ua的电流是芯片导致的嘛?另外,过放之后,chg也关断了,没法充电