s-8264a Seiko Instruments Inc., s-8264a Datasheet - Page 21

• Manufacturer Part Number: s-8264a
• Description: Battery Protection Ic For 2-serial To 4-serial-cell Pack Secondary Protection
• Manufacturer: Seiko Instruments Inc.

[For SC PROTECTOR, contact]
[For PTC, contact]
Rev.2.0
Example of Application Circuit
Cautions 1. The above connection example will not guarantee successful operation. Perform thorough
1. Overheat Protection via PTC
Sony Chemical & Information Device Corporation, Electronic Device Marketing & Sales Dept.
Gate City Osaki East Tower 8F, 1-11-2
Osaki, Shinagawa-ku, Tokyo, 141-0032 Japan
TEL [phone]
Contact Us: http://www.sonycid.jp/en/
Murata Manufacturing Co., Ltd.
Thermistor Products Department
Nagaokakyo-shi, Kyoto 617-8555 Japan
TEL [phone]
Contact Us: http://www.murata.com/contact/index.html
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BAT1
BAT2
BAT3
BAT4
2. A pull-down resistor is included in the CTL pin. To perform overheat protection via the PTC in
3. When the power fluctuation is large, connect the power supply of the PTC to the VDD pin of the
4. Since “H” may be output at CO transiently when the battery is being connected, connect the
evaluation using the actual application.
the S-8264A Series, connect the PTC before connecting batteries.
S-8264A Series.
positive terminal of BAT1 last in order to prevent the three terminal protection fuse from cutoff.
BATTERY PROTECTION IC FOR 2-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION)
PTC
R
R1
R2
R3
R4
VDD
C
C1
C2
C3
C4
C
VDD
CTL
VDD
SENSE
VC1
VC2
VC3
VSS
CTL
Seiko Instruments Inc.
S-8264A
Series
Figure 15
CO
SC PROTECTOR
FET
D
S-8264A/B Series
P
EB+
EB−
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