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I’m working on CY7C68013A in one of my projects and I’v been facing a thermal problem where controller gets quite hot when I connect the usb cable. When the usb cable is unplugged the heat seems reasonable. Any thoughts on that will be appreciated?
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Hi,
Please refer to this AN15456 EZ-USB_FX2LP_Hardware_Design and let us know if you are following all the guidelines.
Regards,
Meghavi
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Hi,
Please refer to this AN15456 EZ-USB_FX2LP_Hardware_Design and let us know if you are following all the guidelines.
Regards,
Meghavi
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Thanks Meghavi,
Thats actually what i'm working on right now. After reading this app note i found out that i didn't have a VBUS sensing mechanism in my design; a standalone power design independent of usb VBUS. So i'll try that and i will report my findings for general knowledge.
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I got another controller from another supplier and its working just fine. The problem had to do with that particular batch of controllers?
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Hi,
Yes, this can be a reason. Can you please confirm how many parts you found the same issue? Also, please add the VBUS sensing mechanism for your design.
Regards,
Meghavi
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At least three.
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Hi,
Could you please provide details on where did you purchase these silicon from. Also, please attach a screenshot of the markings on the IC.
Regards,
Mallika