Outline
This IC controls constant current charging and excess discharge for coin-shaped vanadium lithium batteries and manganese dioxide batteries. It performs constant current charging, stops charging at set voltages, and prevents excess discharging. When the voltage falls bellow a set level, it prohibits discharges and reduces IC current consumption nearly to zero.

FEATUREs
During charging
1. Input voltage range 4.0~15.0V
2. Current consumption (during constant current charging) 100µA typ.
3. Current consumption (when charging is off) 30µA typ.
4. Charging current 4.5mA typ.
5. Charging shut-off voltage (Ta=-20~+70°C) 1177AF : 3.275V±75mV
                                                                         1177BF : 3.0V±70mV

During discharging
1. Discharging shut-off voltage 1.75V±0.15V
2. Current consumption (IL-100µA, VBATT=3V) 5µA typ.
3. Leak current during discharge shut-off 0.1µA max.
4. Voltage drop between battery and output (IL=100µA, VBATT=3V) 2.92V typ.

APPLICATIONs
1. coin-shaped vanadium lithium batteries
2. Monitors and controls charging and discharging for and manganese dioxide batteries.