USB Li-Ion/Lipoly Charger - V1.2
259: USB Li-Ion/Lipoly Charger -V1.2View Larger Image
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|Jameco Part no. 2144366|
|Catalog 142 , page 116|
- No datasheet available. Please review the tabs below for product specifications.
This is a Lithium Ion and Lithium Polymer battery charger based on the MCP73833. It uses a USB mini-B for connection to any computer or 'USB wall adapter'. Charging is done in three stages: first a preconditioning charge, then a constant-current fast charge and finally a constant-voltage trickle charge to keep the battery topped-up. The fast-charge current is 500mA by default, but is easily adjustable from 100mA up to 1000mA by soldering a through-hole resistor on-board.
This board is great for DIY projects because it has 3 indicator LEDs - one for power, one for charging status and a third that indicates when charging is complete. You may also keep the battery connected to the charger and pass power through the additional JST connector using the included cable!
Read the tutorial on Lithium Ion/Polymer batteries for more details!
Tutorials on the Adafruit Learning System featuring this product:
Resources & DownloadsMCP73833 Datasheet
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