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PDF ( 数据手册 , 数据表 ) UB262

零件编号 UB262
描述 1-CELL LITHIUM-ION/POLYMER BATTERY PROTECTION IC
制造商 Unisonic Technologies
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UB262 数据手册, 描述, 功能
UNISONIC TECHNOLOGIES CO., LTD
UB262
Preliminary
1-CELL LITHIUM-ION/POLYMER
BATTERY PROTECTION IC
CMOS IC
DESCRIPTION
The UTC UB262 is a series of lithium-ion / lithium-polymer
rechargeable battery protection ICs incorporating high accuracy
voltage detection circuits and delay circuits.
The UTC UB262 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 UB262 into the limited space of
battery pack.
54
6
1 23
SOT-26
FEATURES
* High-accuracy voltage detection circuit
Overcharge detection voltage: 4.250~4.350V, Accuracy: ±50Mv
Overcharge release voltage: 4.050~4.150V, Accuracy: ±50mV
Overdischarge detection voltage: 2.30~2.90V, Accuracy: ±100mV
Overdischarge release voltage: 2.90~3.00V, Accuracy: ±100mV
Discharge overcurrent detection voltage: 150mV, Accuracy: ±30mV
Short-circuiting detection voltage: 0.85V (fixed), Accuracy: ±300mV
* Delay times are generated by an internal circuit (external capacitors are unnecessary)
Overcharge delay time: 100ms (typ.)
Overdischarge delay time: 25ms (typ.)
Discharg e overcurrent delay time: 10ms (typ.)
Short circuit delay time: 500μs (typ.)
* Low current consumption (Products with Power-down Function)
Operation mode: 3.0μA typ., 6.0μA max. (VDD=3.9V)
Ultra low power-down current: 0.1μA max. (VDD=2.0V)
* High-withstanding-voltage device is used for charger connection pins (CS pin and OC pin: Absolute maximum
rating=20V)
* 0 V battery charge function “available” / “unavailable” are selectable.
* Wide operating temperature range: -40°C~+85°C
ORDERING INFORMATION
Note:
Ordering Number
Lead Free
Halogen Free
UB262xL-AG6-R
UB262xG-AG6-R
xx: Output Voltage, refer to Marking Information.
Package
SOT-26
Packing
Tape Reel
www.unisonic.com.tw
Copyright © 2014 Unisonic Technologies Co., Ltd
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QW-R502-A92.a







UB262 pdf, 数据表
UB262
TIMING CHART (Cont.)
(2) Discharge Overcurrent Detection
Preliminary
CMOS IC
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
8 of 10
QW-R502-A92.a














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