Features

• High-accuracy voltage detection for each cell

Overcharge detection voltage n 3.900 V to 4.500 V (25 mV step) Accuracy ±20 mV

Overcharge release voltage n 3.500 V to 4.500 V*1 Accuracy ±50 mV

Overdischarge detection voltage n 2.000 V to 3.200 V (100 mV step) Accuracy ±50 mV

Overdischarge release voltage n 2.000 V to 3.400 V*2 Accuracy ±100 mV

• Three-level discharge overcurrent detection

Discharge overcurrent 1 detection voltage 10 mV to 200 mV (5 mV step) Accuracy ±5 mV

Discharge overcurrent 2 detection voltage 20 mV to 300 mV (5 mV step) Accuracy ±10 mV

Load short-circuiting detection voltage 50 mV to 400 mV (10 mV step) Accuracy ±20 mV

• Charge overcurrent detection

Charge overcurrent detection voltage −200 mV to −10 mV (5 mV step) Accuracy ±5 mV

• Discharge overcurrent 1 detection delay time is settable by an external capacitor (The other delay time are internally

fixed)

• Power saving control by a control pin

• 0 V battery charge: Enabled, inhibited

• Power-down function: Available, unavailable

• Release condition of discharge overcurrent status: Load disconnection, charger connection

• Output voltage of CO and DO pin is limited to VC2 pin voltage. (S-82B5A Series)

• High-withstand voltage: Absolute maximum rating 28.0 V

• Wide operating voltage range: 5.0 V to 24.0 V

• Wide operation temperature range: Ta = −40°C to +85°C

• Low current consumption

During operation: 4.0 μA typ., 8.0 μA max. (Ta = +25°C)

During power-down: 0.1 μA max. (Ta = +25°C)

During power-saving: 0.1 μA max. (Ta = +25°C)

• Lead-free (Sn 100), halogen-free

Applications

• Lithium-ion rechargeable battery packs