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S-8252ABJ-I6T1U Datasheet(PDF) 1 Page - Seiko Instruments Inc

Part # S-8252ABJ-I6T1U
Description  BATTERY PROTECTION IC
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Manufacturer  SII [Seiko Instruments Inc]
Direct Link  http://www.sii.co.jp
Logo SII - Seiko Instruments Inc

S-8252ABJ-I6T1U Datasheet(HTML) 1 Page - Seiko Instruments Inc

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S-8252 Series
www.sii-ic.com
BATTERY PROTECTION IC
FOR 2-SERIAL-CELL PACK
© SII Semiconductor Corporation, 2011-2016
Rev.3.2_00
1
The S-8252 Series is a protection IC for 2-serial-cell lithium-ion / lithium polymer rechargeable batteries and includes high-
accuracy voltage detection circuits and delay circuits.
The S-8252 Series is suitable for protecting 2-serial-cell rechargeable lithium-ion / lithium polymer battery packs from
overcharge, overdischarge, and overcurrent.
Features
• High-accuracy voltage detection function for each cell
Overcharge detection voltage n (n = 1, 2)
3.550 V to 4.600 V (5 mV steps)
Accuracy
±20 mV (Ta = +25°C)
Accuracy
±25 mV (Ta = −10°C to +60°C)
Overcharge release voltage n (n = 1, 2)
3.150 V to 4.600 V
*1
Accuracy
±30 mV
Overdischarge detection voltage n (n = 1, 2) 2.000 V to 3.000 V (10 mV steps)
Accuracy
±50 mV
Overdischarge release voltage n (n = 1, 2)
2.000 V to 3.400 V
*2
Accuracy
±100 mV
Discharge overcurrent detection voltage
0.050 V to 0.400 V (10 mV steps)
Accuracy
±10 mV
Load short-circuiting detection voltage
0.500 V (fixed)
Accuracy
±100 mV
Charge overcurrent detection voltage
−0.400 V to −0.050 V (25 mV steps) Accuracy ±20 mV
• Charge overcurrent detection function "available" / "unavailable" is selectable.
• Detection delay times are generated only by an internal circuit (external capacitors are unnecessary).
Accuracy
±20%
• High-withstand voltage (VM pin and CO pin: Absolute maximum rating = 28 V)
• 0 V battery charge function "available" / "unavailable" is selectable.
• Power-down function "available" / "unavailable" is selectable.
• Wide operation temperature range
Ta =
−40°C to +85°C
• Low current consumption
During operation
8.0
μA max. (Ta = +25°C)
During power-down
0.1
μA max. (Ta = +25°C)
• Lead-free (Sn 100%), halogen-free
*1. Overcharge release voltage = Overcharge detection voltage
− Overcharge hysteresis voltage
(Overcharge hysteresis voltage n (n = 1, 2) can be selected as 0 V or from a range of 0.1 V to 0.4 V in 50 mV steps.)
*2. Overdischarge release voltage = Overdischarge detection voltage
+ Overdischarge hysteresis voltage
(Overdischarge hysteresis voltage n (n = 1, 2) can be selected as 0 V or from a range of 0.1 V to 0.7 V in
100 mV steps.)
Applications
• Lithium-ion rechargeable battery pack
• Lithium polymer rechargeable battery pack
Packages
• SOT-23-6
• SNT-6A


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