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PDF ( 数据手册 , 数据表 ) UB264B

零件编号 UB264B
描述 LION BATTERY PROTECTION IC
制造商 Unisonic Technologies
LOGO Unisonic Technologies LOGO 


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UB264B 数据手册, 描述, 功能
UNISONIC TECHNOLOGIES CO., LTD
UB264B
Preliminary
LION BATTERY PROTECTION
IC FOR 2-SERIAL, 3-SERIAL,
OR 4-SERIAL-CELL PACK
(SECONDARY PROTECTION)
„ DESCRIPTION
The UTC UB264B Series is secondary protection IC for 2-, 3-, or
4-Cell lithium-ion rechargeable battery packs, and incorporates a
high-accuracy voltage detection circuit.
The UTC UB264B Series also includes a high accuracy delay
circuit for over voltage detection time without external capacitors.
„ FEATURES
* High-accuracy voltage detection circuit for each cell
* Overcharge detection voltage n (n=1 to 4): 4.30V to 4.80V (in
50mV steps)
* Overcharge hysteresis voltage n (n=1 to 4): -0.52V±0.21V,
0.39V±0.16V, 0.26V±0.11V, 0.13V±0.06V, None
* Delay times for overcharge detection can be set by an internal
circuit without external capacitors
* Output latch function after overcharge detection
* CMOS output active “H”
* Wide operating voltage range 3.6V to 24V
* Wide operating temperature range 40°C to +85°C
* Low current consumption: 2.5μA typ. (+25°C) at 3.5V for
each cell
„ ORDERING INFORMATION
Note:
Ordering Number
Lead Free
Halogen Free
UB264BL-P08-R
UB264BG-P08-R
xx: SERIAL CODE, refer SERIAL CODE LIST.
Package
TSSOP-8
CMOS IC
Packing
Tape Reel
www.unisonic.com.tw
Copyright © 2012 Unisonic Technologies Co., Ltd
1 of 10
QW-R502-833.A
Free Datasheet http://www.Datasheet4U.com







UB264B pdf, 数据表
UB264B
Preliminary
„ TYPICAL APPLICATION CIRCUIT
1. 4-serial cell
BAT1
BAT2
BAT3
BAT4
RVDD
CVDD
R1
C1
R2
C2
R3
C3
R4
C4
External
input
RCTL
VDD
SENSE
VC1
UTC
UB264B
VC2 Series
VC3
VSS
CTL
CO
2. 3-serial cell
BAT1
BAT2
BAT3
RVDD
CVDD
R1
C1
R2
C2
R3
C3
VDD
SENSE
VC1
UTC
UB264B
VC2 Series
VC3 CO
External
input
RCTL
VSS
CTL
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
CMOS IC
SC Protector
EB+
FET
DP
EB-
SC Protector
EB+
FET
DP
EB-
8 of 10
QW-R502-833.A
Free Datasheet http://www.Datasheet4U.com














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