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This IC is from a power supply for an LED domestic light

LED supply

PCB

This appears to be a 7 legged IC, at least it doesn’t seem to have had the 7th leg snipped.

9609 IC

The markings seem to be

9609SB
G8EMOS

I have had a google and I don’t think that it is an AD9609 ADC nor a 9609 MOSFET.

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    \$\begingroup\$ Perhaps some sort of LED driver. Just a wild guess: datasheetspdf.com/pdf-file/1112315/SISemiconductors/SIC9753/1. Warning: me friendly hobbyist. No guarantee no nothing won't melt down or blow up. Good luck and cheers. \$\endgroup\$
    – tlfong01
    Commented Aug 31, 2020 at 6:31
  • \$\begingroup\$ Would you care to post your comment as an answer? \$\endgroup\$
    – Greenonline
    Commented Dec 31, 2022 at 15:16

3 Answers 3

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Here is a link to the datasheet, JD9609.

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I was looking for the same IC and found the WS9002. I've checked the pin out and it is correct.

WS9002 application circuit

Please, reply if you find any replacement or a easy way of dimming it.

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Check this out pin out. Looks similar to the part reference in the question.

MBI6655 Pinout

This application circuit has similar components per the question. Example Pin 4 SW is connected to diode.

MBI6655 application circuit

Here is link to the datasheet.

Additionally MB10 looks like a bridge rectifier. These should help identify the components.

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  • \$\begingroup\$ Similar, but not quite, as pin 8 of the IC in my PCB is used (it's connected to two resistors). I will add a schematic of the PCB, it will probably help. \$\endgroup\$
    – Greenonline
    Commented Aug 31, 2020 at 15:08

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