AMS has developed a pair of chips that can transfer charging current and data simultaneously over the same pair of wires – intended as an interface for wireless earbud charging. The interface, branded Pow:Com, supplies 5V at up to 150mA for charging and data at 1kbit/s. AS3442 is aimed at the charger cradle (WL-CSP16 package). It ...
This story continues at Charging and data on a two-wire bus for portables
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