Overview
The LC05111CMT 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.
A battery protection system can be made by only LC05111CMT and few external parts.

FEATURE
• Charge-and-discharge power MOSFET are integrated at Ta = 25°C, VCC = 4.5V
                              ON resistance (total of charge and discharge) 11.2mΩ (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 ±0.7A
                              Discharge over-current detection ±0.7A
• Delay time for detection and release (fixed internally)
• Discharge/Charge over-current detection is compensated for temperature dependency of power FET
• 0V battery charging : “Permission”
• Auto wake-up function battery charging : “Permission”
• Over charge detection voltage : 4.0V to 4.5V (5mV steps)
• Over charge release hysteresis : 0V to 0.3V (100mV steps)
• Over discharge detection voltage : 2.2V to 2.7V (50mV steps)
• Over discharge release hysteresis at Auto wake-up : 0V to 0.6V (200mV steps)
• Over discharge release hysteresis : 0V to 0.075V (25mV steps)
• Discharge over current detection : 2.0A to 8.0A (0.5A steps)
• Charge over current detection : 8.0A to -2.0A (0.5A steps)

Typical Applications
• Lithium ion battery protection