Independent charger composed of LP3945

Published:2011/4/29 5:09:00 Author:Nicole | Keyword: charger | From:SeekIC

LP3945 is an independent single lithium ion battery charger, it consists of a integrated pass transistor and current detection resistor. Besides charging function, it is also used for low pressure drop pattern. This function is especially useful during the manufacture, bacause it is not needed to connect lithium ion battery when there is product testing and performance verification. The independent charger circuit composed of LP3945 is as below: The charging period of LP3946 is shown as below: The charging current induction circuit is shown as below:



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