I've a SOT23-6 (i think LDO) that is glowing like a Christmas tree on the thermal camera. Pretty sure it takes 5V USB C VIN on pin 4, I'm not sure what it outputs. I've marked the pins and what they do, or what resistor they're connected to. Marking is JWE2J (Joulwatt). The component is on the main board of a Razer Kiyo Pro webcam. I think the ??? pin is EN. Thanks for any help in advance.
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I've a SOT23-6 (i think LDO) that is glowing like a Christmas tree on the thermal camera. Pretty sure it takes 5V USB C VIN on pin 4, I'm not sure what it outputs. I've marked the pins and what they do, or what resistor they're connected to. Marking is JWE2J (Joulwatt). The component is on the main board of a Razer Kiyo Pro webcam. I think the ??? pin is EN. Thanks for any help in advance.
Last edited by MuertoGB; 12-21-2023, 12:48 PM. -
Good work, thank you very much for helping. I'll get some on order.Originally posted by truclacicr View PostComment
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The pinout doesn't match your findings ...Comment
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I have double checked, and my pinout was correct. Here is a picture of the IC in situ.Originally posted by truclacicr View Post
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Is output shorted? Sometimes low resistance on output can make ldo ic to glow...Comment
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If that is an inductor on pin #3, then the IC cannot be an LDO, it must be a switchmode converter. The output would be the lower end of the inductor. Check the resistance to ground at this point.
I suspect that this IC has a similar pinout:
https://www.ti.com/lit/gpn/TLV62569
Last edited by truclacicr; 12-22-2023, 01:07 PM.Comment
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Yes, it is an inductor. I've noticed it matches the pinout of the JW5222, looking at the datasheet it could be plausable for a replacement.Originally posted by truclacicr View Post
https://datasheet.lcsc.com/lcsc/1912...22_C371424.pdfComment
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Make sure that the feedback voltage and switching frequency are the same.Comment
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Thanks for all your help. I'll update on how it goes.Originally posted by truclacicr View PostComment
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