The S-82G1A Series is a protection IC for lithium-ion / lithium polymer rechargeable batteries, which 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.
Using the S-82G1A Series makes it possible to configure a protection circuit which separates the charge and discharge current paths.
Independent charge current path suppresses heat generation during charging.
The S-82G1A Series also has an input pin for charge-discharge control signal, allowing for charge-discharge control with an external signal.

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 voltage 1: 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 −0.010 V (1 mV step) Accuracy ±3 mV
Detection delay times are generated only by an internal circuit (external capacitors are unnecessary).
Charge-discharge control function: CTL pin control logic is selectable: Active "H", active "L"; CTL pin internal resistance connection is selectable: Pull-up, pull-down; CTL pin internal resistance value is selectable: 1.0 MΩ to 10 MΩ (1 MΩ step); Charge-discharge inhibition status release function by VMD pin is selectable:Available, unavailable; Transition from charge-discharge inhibition status to discharge overcurrent status is selectable: Available, unavailable
Discharge overcurrent control function: Load short-circuiting detection 2 function is selectable: Available, unavailable; Release condition of discharge overcurrent status: Load disconnection; Release voltage of discharge overcurrent status: V_RIOV = V_DD × 0.8
0 V battery charge function is selectable: Available, unavailable
Power-down function is selectable: Available, unavailable
High-withstand voltage: VMC pin, VMD 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

Parts List

U(Ux), S and G at the end of the product name of ABLIC Inc. were used to indicate different material specifications as “environmental code”,
however, these have now been unified into “lead-free and halogen-free” and are identical in terms of environmental quality.
Note: Lead-free plating other than 100% Sn is applied to some limited old products, therefore, please contact our sales representatives for details.
These descriptions may be different from the actual product name and parameter.
Please confirm the product name and specifications with the data sheet again.
The information herein is subject to change without notice.