Features

• High-accuracy voltage detection circuit

Overcharge detection voltage 4.200 V to 4.600 V (5 mV step) Accuracy ±12 mV

Overcharge release voltage 4.000 V to 4.600 V*1 Accuracy ±50 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 ±100 mV

Alarm status detection voltage 4.200 V to 4.600 V (5 mV step) Accuracy ±12 mV

Discharge overcurrent detection voltage 0.003 V to 0.100 V (1 mV step) Accuracy ±3 mV

Load short-circuiting detection voltage 0.010 V to 0.100 V (5 mV step) Accuracy ±7 mV

Charge overcurrent detection voltage −0.100 V to −0.003 V (1 mV step) Accuracy ±3 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: VRIOV = VDD × 0.8 (typ.)

• 0 V battery charge: Enabled, inhibited

• Power-down function: Available, unavailable

• Alarm function

AO pin output logic: Active L

AO pin output form: CMOS output, Nch open-drain output

Connection when AO pin = L: VSS pin, VM pin

• 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: 800 nA typ., 1500 nA max. (Ta = +25°C)

During power-down: 50 nA max. (Ta = +25°C)

During overdischarge: 500 nA max. (Ta = +25°C)

• Lead-free (Sn 100), halogen-free

Applications

• Lithium-ion rechargeable battery pack

• Lithium polymer rechargeable battery pack