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need hole to choose a USB to Li-ion battery charging IC

li wang101153
Prodigy 90 points
Other Parts Discussed in Thread: BQ24618

Hello everyone,

                          I need to find a usb to single cell Li Ion battery cell which need to charge and fully charged LED indicator. Can someone help me ?

Best

Lo

  • 0
    TI__Genius 13700 points

    Hello Li,

    Most of the single cell chargers have a /CHG pin which is low impedance during the charge cycle which can sink current through an LED to indicate the battery is charging.

    A simple solution would be to look at the BQ24618 which has two STAT pins that are used in the following way to indicating charging and charge complete.