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Seiko - BATTERY PROTECTION IC

Numéro de référence S-82A1A
Description BATTERY PROTECTION IC
Fabricant Seiko 
Logo Seiko 





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S-82A1A fiche technique
S-82A1A Series
www.sii-ic.com
© SII Semiconductor Corporation, 2016
BATTERY PROTECTION IC FOR 1-CELL PACK
Rev.2.0_00
The S-82A1A 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-82A1A Series realizes high-accuracy overcurrent protection with less
effect from temperature change.
Features
High-accuracy voltage detection circuit
Overcharge detection voltage
Overcharge release voltage
3.5 V to 4.6 V (5 mV step)
3.1 V to 4.6 V*1
Accuracy ±20 mV
Accuracy ±50 mV
Overdischarge detection voltage
Overdischarge release voltage
2.0 V to 3.0 V (10 mV step)
2.0 V to 3.4 V*2
Accuracy ±50 mV
Accuracy ±100 mV
Discharge overcurrent detection voltage 1
0.010 V to 0.100 V (1 mV step)
Accuracy ±3 mV
Discharge overcurrent detection voltage 2
0.030 V to 0.200 V (1 mV step)
Accuracy ±5 mV
Load short-circuiting detection voltage
0.050 V to 0.500 V (5 mV step)
Accuracy ±20 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).
0 V battery charge function is selectable:
Available, unavailable
Power-down function is selectable:
Available, unavailable
Release condition of discharge overcurrent status is selectable:
Load disconnection, charger connection
Release voltage of discharge overcurrent status is selectable:
Discharge overcurrent detection voltage 1 (VDIOV1),
Discharge overcurrent release voltage (VRIOV) = VDD × 0.8 (typ.)
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:
Lead-free, Sn 100%, halogen-free*3
P
500 nA max. (Ta = +25°C)
*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.)
*3. Refer to "Product Name Structure" for details.
Applications
Lithium-ion rechargeable battery pack
Lithium polymer rechargeable battery pack
Packages
SNT-6A
DFN-6(1414)A
1

PagesPages 30
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