• Switching power supply primary controller chip identification

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 [SOLVED] Switching power supply primary controller chip identification

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#1 Switching power supply primary controller chip identification

by matic • 5 February 2021, 12:23
Hello!

Please, identify the chip on the following picture.
It is a mains switching power supply primary controller chip.
Package: SOT23-6
The marking is 32B29 a

The picture is from the web. In my case, this chip has a burned hole.
Image

Re: Switching power supply primary controller chip identification

by Google Adsense [BOT] • 5 February 2021, 12:23

#2 Re: Switching power supply primary controller chip identification  [SOLVED] 

by xamledyD • 5 February 2021, 12:39
Hello!
This IC looks like OB2532MP. Datasheet below.



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#3 Re: Switching power supply primary controller chip identification

by matic • 6 March 2021, 19:11
After replacing the chip with the suggested one, the power supply is working correctly.
Thanks for your help :)

I was waiting for the chip from China, so it took a while.

Re: Switching power supply primary controller chip identification

by Google Adsense [BOT] • 6 March 2021, 19:11
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