Features
• High-accuracy voltage detection circuit
Overcharge detection voltage 3.500 V to 4.800 V (5 mV step) Accuracy ±12 mV
Overcharge release voltage 3.100 V to 4.800 V*1 Accuracy ±50 mV
Alarm detection voltage 3.500 V to 4.800 V (5 mV step) Accuracy ±12 mV
Alarm hysteresis voltage 0 V, 0.010 V, 0.020 V Accuracy ±5 mV
Overdischarge detection voltage 2.000 V to 3.000 V (10 mV step) Accuracy ±50 mV
Overdischarge release voltage 2.000 V to 3.400 V*2 Accuracy ±75 mV
Discharge overcurrent 1 detection voltage 3 mV to 100 mV (0.5 mV step) Accuracy ±1.5 mV
Discharge overcurrent 2 detection voltage 10 mV to 100 mV (1 mV step) Accuracy ±3 mV
Load short-circuiting detection voltage 20 mV to 100 mV (1 mV step) Accuracy ±5 mV
Charge overcurrent detection voltage −100 mV to −3 mV (0.5 mV step) Accuracy ±1.5 mV
• Detection delay times are generated only by an internal circuit (external capacitors are unnecessary).
• Discharge overcurrent control function
Release condition of discharge overcurrent status: Load disconnection
Release voltage of discharge overcurrent status: Discharge overcurrent release voltage (VRIOV) = VDD × 0.8 (typ.)
• 0 V battery charge: Enabled, inhibited
• Power-down function: Available, unavailable
• Alarm function
AO pin output logic: Active "H", active "L"
AO pin output form: CMOS output, Nch open-drain output
Connection when AO pin = "L": VSS pin, VM pin
Charge control function: Available, unavailable
• High-withstand voltage: VM pin, CO pin and AO pin: Absolute maximum rating 28 V
• Wide operation temperature range: Ta = −40°C to +85°C
• Low current consumption
During operation: 2.5 μA typ., 5.0 μA max. (Ta = +25°C)
During power-down: 50 nA max. (Ta = +25°C)
During overdischarge: 0.5 μA max. (Ta = +25°C)
• Lead-free (Sn 100%), halogen-free

Applications
• Lithium-ion rechargeable battery pack
• Lithium polymer rechargeable battery pack