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Unknown chip controlling backlight power #40

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Unknown chip controlling backlight power#40

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@gladshire
gladshire
opened on May 29, 2024

I am attempting to identify the 8-pin IC that controls the latest generation Framework 13 display's backlight. The mainboard schematic here identifies it on the PCB as 'U7', with part ID 'G516A1Y51U_TSOT23-8'. On the mainboard itself, the chip has '516AF' printed on it.

I am unable to find this part or any documentation for it online. Is it misidentified in the schematic?

Thanks in advance.

image

image

Activity

  1. WizardTim commented on Aug 4, 2024

    @WizardTim
    WizardTim
    on Aug 4, 2024

    It's a G516 series power switch from the brand GMT (Global Mixed-mode Technology).

    However their website does not list it.
    http://www.gmt.com.tw/tw/product/tree.php?PL=2&SL=5&CL=10&o=0&s=0&p=1

    So it's probably only sold to certain large customers in volume or something.

    image

  2. JohnAZoidberg commented on Oct 18, 2025

    @JohnAZoidberg
    JohnAZoidberg
    on Oct 18, 2025
    Member

    It's a G516 series power switch from the brand GMT (Global Mixed-mode Technology).

    That's correct

  3. JohnAZoidberg
    closed this as completedon Oct 18, 2025
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