Datasheet > S-8261AAMMD-G2MT2G

S-8261AAMMD-G2MT2G

更新时间： 2024-11-05 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

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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

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: t_CU, overdischarge: t_DL, overcurrent 1: t_lOV1, overcurrent 2: t_lOV2) 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

Seiko Instruments Inc.

12 3 4 5 6 7...33

中文翻译

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