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PDF UB242 Data sheet ( Hoja de datos )
| Número de pieza | UB242 | |
| Descripción | LITHIUM-ION/POLYMER BATTERY PROTECTION IC | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de UB242 (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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UNISONIC TECHNOLOGIES CO., LTD
UB242
Preliminary
LITHIUM-ION/POLYMER
BATTERY PROTECTION IC
CMOS IC
DESCRIPTION
UTC UB242 is a series of lithium-ion / lithium-polymer rechargeable
battery protection ICs incorporating high accuracy voltage detection
circuits and delay circuits.
UTC UB242 is suitable for protection of single cell lithium-ion /
lithium polymer battery packs from overcharge, over discharge and over
current.
The ultra-small package and less required external components
make it ideal to integrate the UTC UB242 into the limited space of
battery pack.
FEATURES
* Wide supply voltage range:
VDD=1.8V~9.0V
* Ultra-low quiescent current:
IDD=3.0μA (VDD=3.9V)
* Ultra-low power-down current:
IPD=0.1μA (VDD=2.0V)
* Overcharge detection voltage:
VOCU=4.200V~4.400V
* Overcharge release voltage:
VOCR=4.005V~4.225V
* Over discharge detection voltage :
VODL=2.15V~3.00V
* Over discharge release voltage:
VODR=2.32V~3.10V
* Over current detection voltage:
VOI1=0.05V~0.20V
* Short circuit detection voltage:
VOI2=1.35V (Fixed)
* Charger detection voltage:
VCH=-0.7V
Reset resistance for over current protection: RSHORT＞500kΩ
* Delay times are generated by an internal circuit.
(External capacitors are unnecessary.)
* Halogen Free
ORDERING INFORMATION
Ordering Number
UB242xG-AG6-R
Package
SOT-26
54
6
23
1
SOT-26
Packing
Tape Reel
MARKING
www.unisonic.com.tw
Copyright © 2009 Unisonic Technologies Co., Ltd
1 of 13
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1 page  
UB242
Preliminary
TYPICAL APPLICATION CIRCUIT
CMOS IC
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 13
QW-R502-307.c
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5 Page 
UB242
TIMING DIAGRAM(Cont.)
Preliminary
5. Overdischarge Condition Î Charging By a Charger Î Normal Condition
Charger
Load
VOCU
VOCR
VODR
VODL
VDD
CSI
VDD
VSS
VDD
VOI2
VSS
VCH
TOD
TOD
CMOS IC
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
11 of 13
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11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet UB242.PDF ] | |
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