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- Aug 14, 2013
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I was unsatisfied with the current charger offerings. Most are for higher current cells like the
18650. The higher end ones use some kind of sacred source charging algorithm. Frankly I
like to know exactly how my charger is charging my expensive lithium batteries.
The circuit is based around the Microchip MCP73831. It uses the CC/CV charging method,
which is believed to be the safest and most effective. An LED lights red upon battery
insertion and turns green when the charging is complete. It goes out when the battery is
removed to save power.
MCP73831 datasheet
OSH Park Shared Project
(RENAME TO .zip)
18650. The higher end ones use some kind of sacred source charging algorithm. Frankly I
like to know exactly how my charger is charging my expensive lithium batteries.
The circuit is based around the Microchip MCP73831. It uses the CC/CV charging method,
which is believed to be the safest and most effective. An LED lights red upon battery
insertion and turns green when the charging is complete. It goes out when the battery is
removed to save power.
MCP73831 datasheet
OSH Park Shared Project
(RENAME TO .zip)
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