LC05132C01NMT
CMOS LSI
1-Cell Lithium-Ion Battery Protection IC with integrated Power MOS FET
www.onsemi.com
Overview
The LC05132C01NMT is a protection IC for 1-cell lithium-ion secondary batteries with integrated power MOS FET. Also it integrates highly accurate detection circuits and detection delay circuits to prevent batteries from over-charging, over-discharging, over-current discharging and over-current charging. In addition, main system can execute the power-on reset of itself by turning off the charge FET and discharge FET of LC05132C01NMT for a certain time period, with a reset signal. A battery protection system can be made by only LC05132C01NMT and few external parts.
WDFN6 2.6x4.0, 0.65P, Dual Flag
Feature
Charge-and-discharge power MOSFET are integrated at Ta = 25°C, VCC = 4.5V
ON resistance (total of charge and discharge ) 11.2m (typ)
Highly accurate detection voltage/current at Ta = 25°C, VCC = 3.7V
Over-charge detection
±25mV
Over-discharge detection
±50mV
Charge over-current detection
±0.63A
Discharge over-current detection
±0.63A
Delay time for detection and release (fixed internally)
Discharge/Charge over-current detection is compensated for temperature dependency of power FET
0V battery charging
: “Inhibit”
Auto wake-up function battery charging
: “Inhibit”
Over charge detection voltage
: 4.0V to 4.525V (5mV steps)
Over charge release hysteresis
: 0V to 0.3V (100mV steps)
Over discharge detection voltage
: 2.2V to 2.8V (50mV steps)
Over discharge release hysteresis
Forcible charge-FET and discharge-FET OFF mode RSTB>VDD*0.8: Charge-FET and Discharge-FET=ON RSTB