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S-8261AAMMD-G2MT2G PDF预览

S-8261AAMMD-G2MT2G

更新时间: 2024-11-24 12:02:27
品牌 Logo 应用领域
精工 - SII 电池光电二极管
页数 文件大小 规格书
33页 463K
描述
BATTERY PROTECTION IC FOR 1-CELL PACK

S-8261AAMMD-G2MT2G 数据手册

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S-8261 Series  
BATTERY PROTECTION IC FOR 1-CELL PACK  
www.sii-ic.com  
© Seiko Instruments Inc., 2001-2012  
Rev.5.3_00  
The S-8261 Series is a lithium-ion / lithium polymer rechargeable battery protection IC incorporating high-accuracy voltage  
detection circuit and delay circuits.  
The S-8261 Series is suitable for protection of single-cell lithium-ion / lithium polymer battery packs from overcharge,  
overdischarge and overcurrent.  
„ Features  
(1) Internal high accuracy voltage detection circuit  
Overcharge detection voltage  
3.9 V to 4.5 V (applicable in 5 mV step)  
Accuracy: ±25 mV (+25°C) and  
±30 mV (5°C to +55°C)  
Accuracy: ±25 mV  
Overcharge hysteresis voltage  
0.1 V to 0.4 V*1  
The overcharge hysteresis voltage can be selected from the range 0.1 V to 0.4 V in 50 mV step.  
Overdischarge detection voltage 2.0 V to 3.0 V (applicable in 10 mV step) Accuracy: ±50 mV  
Overdischarge hysteresis voltage 0.0 V to 0.7 V*2  
Accuracy: ±50 mV  
The overdischarge hysteresis voltage can be selected from the range 0.0 V to 0.7 V in 100 mV step.  
Overcurrent 1 detection voltage  
Overcurrent 2 detection voltage  
0.05 V to 0.3 V (applicable in 10 mV step) Accuracy: ±15 mV  
0.5 V (fixed) Accuracy: ±100 mV  
(2) High voltage device is used for charger connection pins (VM and CO pins: absolute maximum rating = 28 V).  
(3) Delay times (overcharge: tCU, overdischarge: tDL, overcurrent 1: tlOV1, overcurrent 2: tlOV2) are generated by an  
internal circuit. No external capacitor is necessary.  
Accuracy: ±20%  
(4) Three-step overcurrent detection circuit is included (overcurrent 1, overcurrent 2 and load short-circuiting).  
(5) 0 V battery charge function “Available” / “Unavailable” is selectable.  
(6) Power-down function “Yes” / “No” is selectable.  
(7) Charger detection function and abnormal charge current detection function  
The overdischarge hysteresis is released by detecting negative voltage at the VM pin (0.7 V typ.) (Charger  
detection function).  
When the output voltage of the DO pin is high and the voltage at the VM pin is equal to or lower than the charger  
detection voltage (0.7 V typ.), the output voltage of the CO pin goes low (Abnormal charge current detection  
function).  
(8) Low current consumption  
Operation mode  
3.5 μA typ., 7.0 μA max.  
0.1 μA max.  
Power-down mode  
(9) Wide operating temperature range 40°C to +85°C  
(10) Lead-free, Sn 100%, halogen-free*3  
*1. Overcharge release voltage = Overcharge detection voltage Overcharge hysteresis voltage (where overcharge  
release voltage < 3.8 V is prohibited.)  
*2. Overdischarge release voltage = Overdischarge detection voltage + Overdischarge hysteresis voltage (where  
overdischarge release voltage > 3.4 V is prohibited.)  
*3. Refer to “„ Product Name Structure” for details.  
„ Applications  
Lithium-ion rechargeable battery packs  
Lithium polymer rechargeable battery packs  
„ Package  
SOT-23-6  
1
Seiko Instruments Inc.  

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