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S-82T1A Datasheet(PDF) 1 Page - ABLIC Inc.

Part # S-82T1A
Description  BATTERY PROTECTION IC WITH ALARM FUNCTION FOR 1-CELL PACK
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Manufacturer  ABLIC [ABLIC Inc.]
Direct Link  https://www.ablic.com
Logo ABLIC - ABLIC Inc.

S-82T1A Datasheet(HTML) 1 Page - ABLIC Inc.

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S-82T1A Series
BATTERY PROTECTION IC
WITH ALARM FUNCTION
FOR 1-CELL PACK
© ABLIC Inc., 2022
Rev.1.0_00
www.ablic.com
1
This IC 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.
By using an external overcurrent detection resistor, This IC realizes high-accuracy overcurrent protection with less effect from
temperature change.
The alarm function enables the voltage detection immediately before the overcharge detection.
Features
• High-accuracy voltage detection circuit
Overcharge detection voltage
3.500 V to 4.800 V (5 mV step)
Accuracy
±12 mV
Overcharge release voltage
3.100 V to 4.800 V*1
Accuracy
±50 mV
Alarm detection voltage
3.500 V to 4.800 V (5 mV step)
Accuracy
±12 mV
Alarm hysteresis voltage
0 V, 0.010 V, 0.020 V
Accuracy
±5 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 1 detection voltage
3 mV to 100 mV (0.5 mV step)
Accuracy
±1.5 mV
Discharge overcurrent 2 detection voltage
10 mV to 100 mV (1 mV step)
Accuracy
±3 mV
Load short-circuiting detection voltage
20 mV to 100 mV (1 mV step)
Accuracy
±5 mV
Charge overcurrent detection voltage
−100 mV to −3 mV (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:
Discharge overcurrent release voltage (VRIOV) = VDD
× 0.8 (typ.)
• 0 V battery charge:
Enabled, inhibited
• Power-down function:
Available, unavailable
• Alarm function
AO pin output logic:
Active "H", active "L"
AO pin output form:
CMOS output, Nch open-drain output
Connection when AO pin = "L":
VSS pin, VM pin
Charge control function:
Available, unavailable
• 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:
2.5
μA typ., 5.0 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
Package
• HSNT-8(1616)


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