Identifying QFN16 3x3 mm buck DC-DC Li-ion charger

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  • martonmiklos
    Member
    • Jun 2021
    • 20
    • Hungary
    #1

    Identifying QFN16 3x3 mm buck DC-DC Li-ion charger

    Hi folks,

    I am trying to repair a Braun Silk Epil 9 series motherboard.
    The on-board single cell Li-ion DCDC charger IC is defective.
    It runs from 12V, and when it starts charging it brings my bench PSU CC.
    I have drawn a reverse engineered symbol for it, does anyone could identify it?
    I used up all my google fu with qfn16 li ion and dcdc keywords, but I have not found any pinout compatible one. Given the product's likely high volume production rate I also filtered LCSC's offering ot the 16 pin QFN DCDC and li-ion charger controllers, but no luck so far.

    The markings on the IC:
    4561
    1909
    32144

    Many thanks in advance!
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