S-8239A Series
OVERCURRENT MONITORING IC
FOR MULTI-SERIAL-CELL PACK
www.ablic.com
© ABLIC Inc., 2013-2019
Rev.1.5_00
The S-8239A Series is an overcurrent monitoring IC for multi-serial-cell pack including high-accuracy voltage detection
circuits and delay circuits.
The S-8239A Series is suitable for protection of lithium-ion / lithium polymer rechargeable battery packs from overcurrent.
Features
• Built-in high-accuracy voltage detection circuit
Overcurrent 1 detection voltage*1
Overcurrent 2 detection voltage
Overcurrent 3 detection voltage
0.04 V to 0.30 V (10 mV step)
0.1 V to 0.7 V (100 mV step)
1.2 V (Fixed)
Accuracy 15 mV
Accuracy 100 mV
Accuracy 300 mV
• Built-in three-step overcurrent detection circuit: Overcurrent 1, overcurrent 2, overcurrent 3
• Overcurrent 3 detection function:
• UVLO (under voltage lock out) function
UVLO detection voltage
Available, unavailable
2.0 V (Fixed)
Accuracy 100 mV
• High-withstand voltage:
VM pin, DO pin: Absolute maximum rating 28 V
• Delay times are generated only by an internal circuit (External capacitors are unnecessary).
• Low current consumption
During normal operation:
7.0 μA max.
During UVLO operation:
6.0 μA max.
• Output logic:
Active "L", Active "H"
• Wide operation temperature range:
• Lead-free (Sn 100%), halogen-free
Ta = −40°C to +85°C
*1. Overcurrent 1 detection voltage ≤ 0.06 V should be satisfied in the case of overcurrent 2 detection voltage = 0.1 V.
Overcurrent 1 detection voltage ≤ 0.85 × overcurrent 2 detection voltage − 0.05 V should be satisfied in the case of
overcurrent 2 detection voltage ≥ 0.2 V.
Applications
• Lithium-ion rechargeable battery pack
• Lithium polymer rechargeable battery pack
Package
• SOT-23-6
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