公司产品是在BeagleBone-Black基础上做的，加上了锂电池，想实现shutdown -h 关机时断掉所有电源，但是每次关机后TPS65217C的LDO2总是还有电压输出，加了个400欧电阻试了试，关机后还是有1.175V 的电压，不知道这个是什么情况，如何解决这个问题，请教技术支持。
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