Unknown faulty component's power supply

[t4rmo]

Hi there,
I'm trying to repair a tv's power supply, i think that the faulty component is the U100.I found the datasheet and there is no information about this component ,any idea what component could replace it?

[bob91343]

Is it in the parts list?

[abdulbadii]

try data mining / googling "+driver 8 pin ic for smps adapter"

e.g.
https://www.datasheetarchive.com/8%20pin%20smps%20power%20control%20ic-datasheet.html

[RayRay]

No information on the component itself? Not specified in the service manual (often times, the components themselves are not specified in the schematics, but as a parts list somewhere underneath it). Also, what makes you believe it's that one particular component? Commonly, capacitors/diodes/mosfets are the issue on such boards. Also, are you aware you can lookup the board number on ebay/aliexpress and find a full-on replacement? Might be less time consuming than repairing the existing, and sometimes, those boards are sold at very affordable prices.

[strawberry]

low side gate driver

[timenutgoblin]

Judging by the orientation of the input diodes, D101 and D102, it looks like U101 could be a complementary half bridge MOSFET driver with N-channel and P-channel MOSFET devices. "A Input" looks like N-channel and "B Input" looks like P-channel.

Good luck with the repair!

[t4rmo]

In the datasheet list it is used the name 000 h26 but this name it 's not a name of a component

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[t4rmo]

yeah thats true but i dont know which commercial low side driver could replace it

[Jeroen3]

Your parts list says for the U101 that it's a MIC4428.

Dual 1.5A-Peak Low-Side MOSFET Drivers

[abdulbadii]

U101   MIC4428
https://www.microchip.com/wwwproducts/en/MIC4428

how come can't be correctly read ?

[t4rmo]

No no, my fault, the component is the U100, in the list 001 h26, in the electrical circuit is above of the U101.
I have already modified the initial image, due to pointing an incorrect component