SNT-6A (PG006-A)The S-82F1B Series is a protection IC for lithium-ion / lithium polymer rechargeable batteries and includes high-accuracy voltage detection circuits and delay circuits. It is suitable for protecting 1-cell lithium-ion / lithium polymer rechargeable battery packs from overcharge, overdischarge, and overcurrent.
By using an external overcurrent detection resistor, the S-82F1B Series realizes high-accuracy overcurrent protection with less effect from temperature change.
Features
- High-accuracy voltage detection circuit
- Overcharge detection voltage : 3.500 V to 4.600 V (5 mV step) Accuracy ±15 mV
- Overcharge release voltage : 3.100 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 ±75 mV
- Discharge overcurrent detection voltage1 : 0.003 V to 0.100 V (0.5 mV step) Accuracy ±1.5 mV
- Discharge overcurrent detection voltage 2 : 0.010 V to 0.100 V (1 mV step) Accuracy ±3 mV
- Load short-circuiting detection voltage : 0.020 V to 0.100 V (1 mV step) Accuracy ±5 mV
- Charge overcurrent detection voltage : −0.100 V to −0.003 V (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 : VRIOV = VDD × 0.80 typ.
- 0 V battery charge function is selectable
- Available, unavailable
- Power-down function is selectable
- Available, unavailable
- High-withstand voltage
- VM pin and CO pin : Absolute maximum rating 28 V
- Wide operation temperature range
- Ta = −40°C to +85°C
- Low current consumption
- During operation : 2.0 μA typ., 4.0 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
*1. Overcharge release voltage = Overcharge detection voltage − Overcharge hysteresis voltage
(Overcharge hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.4 V in 50 mV step.)
*2. Overdischarge release voltage = Overdischarge detection voltage + Overdischarge hysteresis voltage
(Overdischarge hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.7 V in 100 mV step.)
Applications
- Lithium-ion rechargeable battery pack
- Lithium polymer rechargeable battery pack