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LOW-COST DOUBLE LI-ION BATTERY CHARGER USING ST6255C/ST6265C MCU

Priority rules are not changed even if charging is suspended because of overheating.

1.3 MAN-MACHINE INTERFACE

As the charger periodically checks battery presence, no button is needed to start or stop

charging.

A reset button is included on the evaluation board for development purposes.

A pair of LEDs (green/red) are dedicated to each slot to indicate the charge status.

Table 2. LED Slot Status Color Code

Color

Status

Off

No battery in the slot

OR

Rear charge stopped by front charge

Red only

Battery under charge

Red and green

Overheat

Green only

Charge cycle completed

Flashing red

Battery failure