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您好,首先216的供电电压范围要宽为2.3V~6.5V。而211的供电电压范围为3V~3.6V,它是第一代USB redriver。
另外216内部集成了BC 1.2 CDP battery charging controller以及DC boost电路,而211没有。 相对于211,216的功能更多,redriver能力能强。