component on Lenovo Yoga 7 14itl5 mic board

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  • Caimano
    Senior Member
    • Nov 2020
    • 54
    • Italia

    #1

    component on Lenovo Yoga 7 14itl5 mic board

    I need to replace a small smd component on the 5C50S25112 board (Right mic board) of a Lenovo yoga 7 14ITL5 with motherboard NM-D131.
    I believe it's a Dual Hall effect ic, probably with SNT-4A package and is marked AV-9 as in the picture.
    The pinout is probably ;
    1 : lid_360 output
    2 : GND
    3 : 3.3V
    4 : lid_0 output
    Any idea what's the ic part number? Thanks in advance Click image for larger version

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  • Caimano
    Senior Member
    • Nov 2020
    • 54
    • Italia

    #2
    Update: I found a chip of the s-5724 series which might be similar to the one I need. By looking at the datasheet maybe it's not a dual hall effect ic, but a single one with pin 4 as output and pin 1 (lid 360 line) as enable line.

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