battery charger

Transform a 25-Watt Semi-Flexible Panel into a Practical Battery Charger

Sunlight may be free, but transforming it into usable electricity is not. I learned this back in 1965 when I bought some surplus silicon solar cells from dealer Herbach and Rademan (now H&R Company, Inc.). Those 0.75″×0.75″ cells cost around $2.49 each or $19.30 today according to the CPI Inflation Calculator. In 1975, I used …

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App note: Lithium ion battery charger using C8051F300

Introduction Driven by the need for untethered mobility and ease of use, many systems rely on rechargable bat- teries as their primary power source. The battery charging circuitry for th ese systems is typically implemented using a fixed- function IC to control the charging current/voltage profile. The C8051F30x family provides a flexible alterna- tive to …

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