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参数资料
| 型号： | S-8204BAL-TCT1U |
| 元件分类： | 电源管理 |
| 英文描述： | 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
| 封装： | HALOGEN FREE AND LEAD FREE, TSSOP-16 |
| 文件页数： | 1/36页 |
| 文件大小： | 756K |
| 代理商： | S-8204BAL-TCT1U |
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S-8204B Series
www.sii-ic.com
BATTERY PROTECTION IC
FOR 3-SERIES OR 4-SERIES CELL PACK
Seiko Instruments Inc., 2008-2011
Rev.3.2_00
Seiko Instruments Inc.
1
The S-8204B Series includes a voltage detection circuit with high accuracy and a delay circuit, in single use, makes it
possible for users to monitor the status of 3-series or 4-series cell lithium-ion rechargeable battery. By switching the voltage
level which is applied to the SEL pin, users are able to use this IC either for 3-series or 4-series cell pack.
By cascade connection using this IC, it is also possible to protect 5-series or more cells
*1 rechargeable lithium-ion battery
pack.
*1. Refer to the usage guideline for connection examples of protection circuit with 5-series cell.
Features
(1)
High-accuracy voltage detection for each cell
Overcharge detection voltage n (n = 1 to 4)
3.65 V to 4.6 V (50 mV step)
Accuracy
±25 mV
Overcharge release voltage n (n = 1 to 4)
3.5 V to 4.6 V
*1
Accuracy
±50 mV
Overdischarge detection voltage n (n = 1 to 4)
2.0 V to 3.0 V (100 mV step)
Accuracy
±80 mV
Overdischarge release voltage n (n = 1 to 4)
2.0 V to 3.4 V
*2
Accuracy
±100 mV
(2)
Discharge overcurrent detection in 3-step
Discharge overcurrent detection voltage 1
0.05 V to 0.30 V (50 mV step)
Accuracy
±15 mV
Discharge overcurrent detection voltage 2
0.5 V (fixed)
Accuracy
±100 mV
Short circuit detection voltage
1.0 V (fixed)
Accuracy
±300 mV
(3)
Settable by external capacitor; Overcharge detection delay time, Overdischarge detection delay time, Discharge
overcurrent detection delay time 1, Discharge overcurrent detection delay time 2
(Short circuit detection voltage delay time is internally fixed.)
(4)
Switchable between 3-series and 4-series cell by using the SEL pin
(5)
Independent charging and discharge control by the control pins
(6)
Withstand voltage element
Absolute maximum rating : 24 V
(7)
Wide range of operation voltage
2 V to 22 V
(8)
Wide range of operation temperature
40°C to +85°C
(9)
Low current consumption
Operation mode
33
μA max. (+25°C)
Power-down mode
0.1
μA max. (+25°C)
(10) Lead-free, Sn 100%, halogen-free
*3
*1. Overcharge hysteresis voltage n (n = 1 to 4) is selectable in 0 V, or in 0.1 V to 0.4 V in 50 mV step.
(Overcharge hysteresis voltage = Overcharge detection voltage
Overcharge release voltage)
*2. Overdischarge hysteresis voltage n (n = 1 to 4) is selectable in 0 V, or in 0.2 V to 0.7 V in 100 mV step.
(Overdischarge hysteresis voltage = Overdischarge release voltage
Overdischarge detection voltage)
*3. Refer to “ Product Name Structure” for details.
Application
Rechargeable lithium-ion battery packs
Package
16-Pin TSSOP
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相关代理商/技术参数 |
参数描述 |
|---|---|
| S-8204BAQ-TCT1S | 制造商:Seiko Instruments Inc (SII) 功能描述: |
| S-8204BAR-TCT1S | 制造商:Seiko Instruments Inc (SII) 功能描述:LITHIUM-ION BATTERY PROTECTION 3/4 CELL |
| S-8204BAY-TCT1S | 制造商:Seiko Instruments Inc (SII) 功能描述:LITHIUM-ION BATTERY - Tape and Reel |
| S-8205A | 制造商:SII 制造商全称:Seiko Instruments Inc 功能描述:4-5节镭离子可充电池保护IC |
| S-8205AAA-TCT1U | 制造商:Seiko Instruments Inc (SII) 功能描述:LITHIUM-ION BATTERY PROTECTION 4/5 CELL |
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