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參數資料
| 型號： | S-8261AAZMD-G2Z-T2 |
| 廠商： | Seiko Instruments Inc. |
| 英文描述： | BATTERY PROTECTION IC FOR SINGLE-CELL PACK |
| 中文描述： | 電池保護IC單節包裝 |
| 文件頁數： | 1/36頁 |
| 文件大小： | 706K |
| 代理商： | S-8261AAZMD-G2Z-T2 |
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Rev.1.9
_00
BATTERY PROTECTION IC FOR SINGLE-CELL PACK
S-8261 Series
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
Overcharge hysteresis voltage
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: t
CU
, overdischarge: t
DL
, overcurrent 1: t
lOV1
, overcurrent 2: t
lOV2
) are generated
by an internal circuit. No external capacitor is necessary.
(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
μ
A typ., 7.0
μ
A max.
Power-down mode
0.1
μ
A max.
(8) Wide operating temperature range
40
°
C to
+
85
°
C
(9) Small package SOT-23-6, 6-Pin SNB(B)
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)
0.0 V to 0.4 V
*1
Accuracy:
±
25 mV
Accuracy:
±
20%
*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
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相關代理商/技術參數 |
參數描述 |
|---|---|
| S-8261AAZMD-G2ZT2G | 功能描述:電池管理 Lithium-Ion battery protection (1 cell) RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| S-8261ABAMD-G3A-T2 | 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:BATTERY PROTECTION IC FOR SINGLE-CELL PACK |
| S-8261ABAMD-G3AT2G | 功能描述:電池管理 Lithium-Ion battery protection (1 cell) RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| S-8261ABBMD-G3B-T2 | 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:BATTERY PROTECTION IC FOR SINGLE-CELL PACK |
| S-8261ABBMD-G3BT2G | 功能描述:電池管理 BATT PROTECTION IC 1-CELL PACK RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
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