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参数资料
| 型号： | S-8261ACAMD-G4AT2G |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6 |
| 封装： | LEAD FREE, SOT-23, 6 PIN |
| 文件页数： | 1/33页 |
| 文件大小： | 384K |
| 代理商： | S-8261ACAMD-G4AT2G |
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S-8261 Series
www.sii-ic.com
BATTERY PROTECTION IC FOR 1-CELL PACK
Seiko Instruments Inc., 2001-2010
Rev.5.0_00
Seiko Instruments Inc.
1
The S-8261 series are lithium-ion / lithium polymer rechargeable battery protection ICs incorporating high-accuracy voltage
detection circuit and delay circuit.
The S-8261 series are 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 4.4 V (applicable in 5 mV step)
Accuracy:
±25 mV (+25°C) and
±30 mV (5°C to +55°C)
Overcharge hysteresis voltage
0.1 V to 0.4 V
*1
Accuracy:
±25 mV
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
0.05 V to 0.3 V (applicable in 10 mV step) Accuracy:
±15 mV
Overcurrent 2 detection voltage
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” are selectable.
(6)
Power-down function “Yes” / “No” are 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.
Power-down mode
0.1
μA max.
(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
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相关代理商/技术参数 |
参数描述 |
|---|---|
| S-8261ACDMD-G4DT2G | 制造商:Seiko Instruments Inc (SII) 功能描述:BATTERY PROTECTION IC FOR 1-CELL PACK - Tape and Reel |
| S-8261ACEMD-G4ET2G | 功能描述:电池管理 Lithium-Ion battery protection (1 cell) RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| S-8261ACFMD-G4FT2G | 制造商:Seiko Instruments Inc (SII) 功能描述:LITHIUM-ION BATTERY PROTECTION 1 CELL |
| S-8261ACHMD-G4HT2G | 制造商:Seiko Instruments Inc (SII) 功能描述:LITHIUM-ION BATTERY PROTECTION 1 CELL |
| S-8261ACJMD-G4JT2G | 制造商:Seiko Instruments Inc (SII) 功能描述:IC, BATTERY PROTECTION FOR 1-CELL PACK - Tape and Reel |
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