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| UB24205_15 Datasheet, PDF (1/10 Pages) Unisonic Technologies – LITHIUM-ION/POLYMER BATTERY PROTECTION IC | |||
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UNISONIC TECHNOLOGIES CO., LTD
UB24205
Preliminary
LITHIUM-ION/POLYMER
BATTERY PROTECTION IC
 DESCRIPTION
The UTC UB24205 is a lithium-ion / lithium-polymer rechargeable
battery protection IC with internal MOSFETs. It incorporates high
accuracy voltage detection circuits and delay circuits.
The UTC UB24205 is suitable for protection of single cell
lithium-ion / lithium polymer battery packs from overcharge, over
discharge and over current.
The small package and less required external components make
it ideal to be integrated into 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=4.250V±0.050V
* Overcharge release voltage:
VOCR=4.055V±0.050V
* Over discharge release voltage: VODL=2.250V±0.100V
* Over discharge detection voltage: VODR=2.850V±0.100V
* Over current detection voltage: VOI1= 0.150V±0.030V
* Short circuit detection voltage: VOI2=1.35V (Fixed)
* Charger detection voltage:
VCH=-0.7V
Reset resistance for over current
*
protection:
RSHORT>500kâ¦
* No external MOSFETs
* Delay times are generated by an internal circuit
(External capacitors are unnecessary).
* Halogen Free
 ORDERING INFORMATION
Ordering Number
UB24205G-S08-R
Package
SOP-8
Packing
Tape Reel
CMOS IC
www.unisonic.com.tw
Copyright © 2009 Unisonic Technologies Co., Ltd
1 of 10
QW-R121-019.a
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