The Charger 11 Click Board™ is a LiFePO4 (lithium iron phosphate) battery charger. This Click Board™ can be used for Low-Cost LiFePO4 battery chargers, or Power Tools, toys, backup energy storage solutions, etc. The Charger 11 Click Board™ is based on the MCP73123T controller which has some extra features enabling charging without too much hassle.
The Charger 11 Click Board™ features charge current control which uses an SPI interface through MCP4161 IC, which is an 8-bit digital potentiometer. For battery voltage monitoring this Click Board™ board uses MCP3221A5T analogue to digital converter through the I2C interface. On the board, there is a Power LED and two extra LED’s which can be used for charging indications.