Difference between revisions of "LiIon Charger"
From Hackstrich
(Initial page for the LiIon/LiPoly charger.) |
(Too much on the go and this isn't a priority at all.) |
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* Can either use onboard connectors for USB/battery, or connect to them via the standard headers on the board | * Can either use onboard connectors for USB/battery, or connect to them via the standard headers on the board | ||
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Latest revision as of 23:21, 20 May 2013
The LiIon Charger is a small board which can be powered via USB or through standard headers, and charges a standard single-cell LiIon/LiPoly battery pack.
Project Status
Schematic/board done, BOM on file at Digikey, awaiting sending board to BatchPCB for prototype production.
Design Overview/Ideas
- Based around the LM3658 LiIon charger IC
- Uses an ATtiny25 to communicate via USB and request 500mA from the host (if allowed)
- Using the V-USB stack to keep cost down, no need for a full USB-capable ATwhatever for this
- Can either use onboard connectors for USB/battery, or connect to them via the standard headers on the board
