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PDF SFH-1412A Data sheet ( Hoja de datos )
| Número de pieza | SFH-1412A | |
| Descripción | (SFH-xxxxA) SC Protector | |
| Fabricantes | Sony | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SFH-1412A (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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SC Protector
Self Control Protector
Rev.39 2006/4/1
Innovative way of safety control for Li-ion rechargeable battery
www.daAtatsaheneyt4um.coomm ent, SC Protector system monitors the voltage of Li-ion rechargeable battery and its heater
fuses the fuse at the same instant when the system detects the overcharge. Usual protection element
takes long time to work because it works due to temperature rise of battery cells.
The difference of SC Protector provides you high degree of freedom in the design of protection circuit.
1. Application
Typical application of protection for a Lithium ion rechargeable battery from overcharging is shown
in the figure below.
ac
FET
Charger
bd
When the voltage between a and b exceeds the pre-set limit value, the output of the voltage detector
IC becomes high and the FET is switched on. As a result, current flow through the heater of the
protector, the fuses melt, and the battery stops to be charged any longer.
Since the two fuses cut-off the voltage supplies from the charger and the battery, the SC Protector
stops to be heated immediately and thus, the safety control protection is provided against both excess
voltage and excessive heating.
Sony Chemicals Corporation
Electronic Devices Business Group
1-11-2, Osaki, Shinagawa-ku, Tokyo, 141-0032 Japan
TEL+81-3-5435-3943 FAX+81-3-5435-3072
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1 page  
5. Voltage operation
5.1. Operating electric power and Operating voltage
1) Operating electric power range: Electricity Power applied to heater
2) Operating voltage range: Values are calculated from operating electric power range and heater
resistance. Protector operation is normal under voltage applied to heaters in these
ranges. Operating voltage range is adjustable by regulating heater resistance.
www.datasheet4u.com (Operating voltage[V] Operating electric power [W] Heater resistance[ ] )
5.2. Voltage operation test method
13
1) Connect SC Protector with a constant power
supply.
2) Apply a current to the heater.
3) Measure the time the fuses take to melt.
4
5.3. Operation time by the heater (Electricity vs. clearing time at 25 deg.C)
100
SFH-12A
SFH-15A
10
1
0.1
0
5 10 15 20 25 30 35 40
Electric Power(W)
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5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet SFH-1412A.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| SFH-1412A | SFH-1412A | Sony |
| SFH-1412A | (SFH-xxxxA) SC Protector | Sony |
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