November 21st, 2023, 13:36
November 21st, 2023, 13:46
November 21st, 2023, 18:06
fzabkar wrote:SY8089A1, Silergy, stepdown converter, marking qHxyz:
https://www.silergy.com/zh/download/downloadFile?id=3756&type=product&ftype=datasheet
Check the devices connected to the output side of the inductor. They could be overloading the IC.
November 21st, 2023, 19:38
January 3rd, 2024, 14:43
fzabkar wrote:Measure the voltage at the output. I expect that you should find 1.8V or 3.3V.
January 3rd, 2024, 15:37
January 4th, 2024, 14:10
January 5th, 2024, 10:39
fzabkar wrote:The feedback voltage is 0.6V, which means that the device is regulating properly. A supply of 1.1V would be the Vcore for the controller.
March 7th, 2024, 17:27
techwiz wrote:fzabkar wrote:The feedback voltage is 0.6V, which means that the device is regulating properly. A supply of 1.1V would be the Vcore for the controller.
I see. Well, darn.
Any ideas why this drive isn't detectable?
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