USB power supply with a resettable PTC fuse and a ‘fuse blown’ indicator LED

June 13, 2012 in project logs by DP | 0 comments

Schazamp designed a small USB power supply with a resettable  PTC fuse, and a ‘fuse blown’ indicator LED. When the fuse is blown a P-MOS gate is pulled low, and it turns on a LED.

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