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S-8204B PDF даташит

Спецификация S-8204B изготовлена ​​​​«Seiko» и имеет функцию, называемую «BATTERY PROTECTION IC».

Детали детали

Номер произв S-8204B
Описание BATTERY PROTECTION IC
Производители Seiko
логотип Seiko логотип 

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S-8204B Даташит, Описание, Даташиты
S-8204B Series
www.sii-ic.com
© Seiko Instruments Inc., 2008-2015
BATTERY PROTECTION IC
FOR 3-SERIES OR 4-SERIES CELL PACK
Rev.3.7_00
The S-8204B Series includes high-accuracy voltage detection circuits and delay circuits, 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 the S-8204B Series either for 3-series or 4-series cell pack.
By cascade connection using the S-8204B Series, it is also possible to protect 6-series or more cells*1 lithium-ion
rechargeable battery pack.
*1. Refer to the application note for connection examples of protection circuit for 6-series or more cells.
In case of protecting 5-series cell lithium-ion rechargeable battery pack, contact our sales office.
Features
High-accuracy voltage detection function for each cell
Overcharge detection voltage n (n = 1 to 4)
Overcharge release voltage n (n = 1 to 4)
3.65 V to 4.6 V (50 mV step)
3.5 V to 4.6 V*1
Accuracy ±25 mV
Accuracy ±50 mV
Overdischarge detection voltage n (n = 1 to 4)
Overdischarge release voltage n (n = 1 to 4)
2.0 V to 3.0 V (100 mV step)
2.0 V to 3.4 V*2
Accuracy ±80 mV
Accuracy ±100 mV
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
Load short-circuit detection voltage
1.0 V (fixed)
Accuracy ±300 mV
Settable by external capacitor; overcharge detection delay time, overdischarge detection delay time, discharge
overcurrent detection delay time 1, discharge overcurrent detection delay time 2
(Load short-circuit detection delay time is internally fixed.)
Switchable between 3-series and 4-series cell by using the SEL pin
Independent charge and discharge control by the control pins
High-withstand voltage element
Absolute maximum rating: 24 V
Wide operation voltage range
2 V to 22 V
Wide operation temperature range
Ta = 40°C to +85°C
Low current consumption
During operation
33 μA max. (Ta = +25°C)
During power-down
Lead-free, Sn 100%, halogen-free*3
0.1 μA max. (Ta = +25°C)
*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 pack
Package
16-Pin TSSOP
Seiko Instruments Inc.
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S-8204B Даташит, Описание, Даташиты
BATTERY PROTECTION IC FOR 3-SERIES OR 4-SERIES CELL PACK
S-8204B Series
Block Diagram
Rev.3.7_00
COP
VMP
DOP
VINI
CDT
CCT
Control circuit
RVMD
RVMS
Delay circuit
Delay circuit
Delay circuit
+
Discharge
overcurrent 1
+
Discharge
overcurrent 2
+
Load short circuit
Delay circuit
Delay circuit
Overcharge
1
Over- +
discharge 1+
Overcharge
2
Over-
+
discharge 2 +
Overcharge
3
Over-
+
discharge 3 +
Overcharge
4
Over-
+
discharge 4 +
CIT
SEL
Remark Diodes in the figure are parasitic diodes.
Figure 1
2 Seiko Instruments Inc.
CTLC
CTLD
VDD
VC1
VC2
VC3
VC4
VSS









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S-8204B Даташит, Описание, Даташиты
Rev.3.7_00
BATTERY PROTECTION IC FOR 3-SERIES OR 4-SERIES CELL PACK
S-8204B Series
Product Name Structure
1. Product name
S-8204B xx - xxxx x
Environmental code
U: Lead-free (Sn 100%), halogen-free
S: Lead-free, halogen-free
Package name (abbreviation) and packing specifications*1
TCT1: 16-Pin TSSOP, Tape
Serial code*2
Sequentially set from AA to ZZ
*1. Refer to the tape drawing.
*2. Refer to "3. Product name list".
2. Package
Table 1 Package Drawing Codes
Package Name
16-Pin TSSOP
Environmental code = S
Environmental code = U
Dimension
FT016-A-P-SD
FT016-A-P-SD
Tape
FT016-A-C-SD
FT016-A-C-SD
Reel
FT016-A-R-SD
FT016-A-R-S1
Seiko Instruments Inc.
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