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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 0.0 V to 0.4 V*1 Accuracy: ±25 mV
The overcharge hysteresis voltage can be selected from the range 0.0 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) 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)
(7) Low current consumption
? Operation mode 3.5 μA typ., 7.0 μA max.
? Power-down mode 0.1 μA max.
(8) Wide operating temperature range ?40 °C to +85 °C
(9) Small package SOT-23-6, 6-Pin SNB(B)
*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.)
Applications
? Lithium-ion rechargeable battery packs
? Lithium polymer rechargeable battery packs
產(chǎn)品屬性
- 型號(hào):
S-8261AANMD-G2N-T2
- 制造商:
SII
- 制造商全稱:
Seiko Instruments Inc
- 功能描述:
BATTERY PROTECTION IC FOR SINGLE-CELL PACK
供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫存 | 備注 | 價(jià)格 |
---|---|---|---|---|---|---|---|
SEIKO |
23+ |
SOT23-6 |
20000 |
原廠原裝正品現(xiàn)貨 |
詢價(jià) | ||
SEIKO |
20+ |
SOT23-6 |
19570 |
原裝優(yōu)勢主營型號(hào)-可開原型號(hào)增稅票 |
詢價(jià) | ||
SEIKO |
23+ |
SOT23-6 |
12000 |
全新原裝優(yōu)勢 |
詢價(jià) | ||
SEIKO/精工 |
22+ |
SOT23-6 |
6000 |
進(jìn)口原裝 假一罰十 現(xiàn)貨 |
詢價(jià) | ||
SEIKO |
05+ |
原廠原裝 |
258 |
全新原裝 絕對有貨 |
詢價(jià) | ||
SEIKO/精工 |
22+ |
SOT23-6 |
9800 |
只做原裝正品假一賠十!正規(guī)渠道訂貨! |
詢價(jià) | ||
SEIKO |
21+ |
SOT23-6 |
6500 |
全新原裝現(xiàn)貨 |
詢價(jià) | ||
精工 |
24+ |
SOT23-6 |
6232 |
公司原廠原裝現(xiàn)貨假一罰十!特價(jià)出售!強(qiáng)勢庫存! |
詢價(jià) | ||
SEIKO/精工 |
23+ |
NA/ |
4750 |
原廠直銷,現(xiàn)貨供應(yīng),賬期支持! |
詢價(jià) | ||
SEIKO |
24+ |
SOT-23-6 |
4897 |
絕對原裝!現(xiàn)貨熱賣! |
詢價(jià) |