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LI-ION mobile battery bank with PIC16F series MCU

Last Updated:2013-5-31 10:38:15 Clicks:4143

MCU controls buck circuit to charge embedded Li-ion battery in three phase: pre-charge, constant current, and constant voltage.

Charge is terminated based on programmer current level.

A programmable charge timer provides a safety backup for charge termination.

Discharge circuit can be opened by detecting the load pluged in.

The battery can supply 5V voltage with current up to 500mA ~ 2000mA through pump circuit.

The LEDs can indicate the remaining battery power accurately. 

Providing variety of protection: Over-Voltage, Over-Current, Over-Temperature,Shortcut-circuit.

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