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UB209BG-P08-R Fiches technique(PDF) 5 Page - Unisonic Technologies

No de pièce UB209BG-P08-R
Description  BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION
PDF  9 Pages
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Fabricant  UTC [Unisonic Technologies]
Site Internet  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UB209BG-P08-R Fiches technique(HTML) 5 Page - Unisonic Technologies

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UB209B
Preliminary
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
5 of 9
www.unisonic.com.tw
QW-R502-943.a
ELECTRICAL CHARACTERISTICS (TA=25°C unless otherwise specified)
PARAMETER
SYMBOL TEST CONDITIONS
MIN
TYP
MAX
UNIT
Test
circuit
Overcharge Detection Voltage
VCU
VCU -0.05
VCU
VCU +0.05
V
1
Overcharge Release Voltage
VCL
VCL-0.05
VCL
VCL+0.05
V
1
Cell-balance Detection
Voltage
VBU
VBU-0.05
VBU
VBU+0.05
V
1
Cell-balance Release Voltage
VBL
VBL-0.05
VBL
VBL+0.05
V
1
Over Discharge Detection
Voltage
VDL
VDL-0.10
VDL
VDL+0.10
V
1
Over Discharge Release
Voltage
VDU
VDU-0.10
VDU
VDU+0.10
V
1
CDT Pin Resistance (Note 1)
RCDT
VDS=3.5V, VCDT=0V
4.76
8.31
10.9
MΩ
2
CDT Pin Detection Voltage
(Note 1)
VCDET
VDS=3.5V
VDS×0.65 VDS×0.70 VDS×0.75
V
3
Operating Voltage Between
VDD and VSS
VDSOP
Output Voltage of
CO, DO, CB Fixed
1.5
8.0
V
CTLC Pin H Voltage
VCTLCH VDS=3.5V
VDS×0.55
VDS×0.90
V
4
CTLD Pin H Voltage
VCTLDH VDS=3.5V
VDS×0.55
VDS×0.90
V
4
CTLC Pin L Voltage
VCTLCL VDS=3.5V
VDS×0.10
VDS×0.45
V
4
CTLD Pin L Voltage
VCTLDL VDS=3.5V
VDS×0.10
VDS×0.45
V
4
Current Consumption During
Operation (Note 2)
IOPE
VDS=3.5V
3.5
8.0
µA
5
Sink Current CTLC (Note 2)
ICTLCL
VDS=3.5V,
VCTLC=3.5V
300
400
500
nA
6
Sink Current CTLD (Note 2)
ICTLDL
VDS=3.5V,
VCTLD=3.5V
300
400
500
nA
6
Source Current CB
ICBH
VCB=4.0V, VDS=4.5V
30
µA
7
Sink Current CB
ICBL
VCB=0.5V, VDS=3.5V
30
µA
7
Source Current CO
ICOH
VCO=3.0V, VDS=3.5V
30
µA
7
Leakage Current CO
ICOL
VCO=24V, VDS=4.5V
0.2
µA
8
Source Current DO
IDOH
VDO=3.0V, VDS=3.5V
30
µA
7
Leakage Current DO
IDOL
VDO=24V, VDS=1.8V
0.2
µA
8
Notes:1. In the UTC UB209B Series, users are able to set delay time for the output pins. By using the following
formula, delay time is calculated with the value of CDT pin’s resistance in the IC (RCDT) and the value
of capacitor set externally at the CDT pin (CCDT).
tD [s]=-ln(1-VCDET /VDS)×CCDT [µF]×RCDT [MΩ]
=-ln (1-0.7(Typ.) )×CCDT [µF]×8.31MΩ(Typ.)
=10.0MΩ(Typ.)×CCDT [µF]
In case of the capacitance of CDT pin CCDT=0.01µF, the output pin delay time tD is calculated by using
the above formula and as follows.
tD [s]=10.0MΩ (Typ.)×0.01µF=0.1s (Typ.)
Test RCDT and the CDT pin detection voltage (VCDET) by test circuits shown in this datasheet after
applying the power supply while pulling-down the CTLC, CTLD pins to the level of VDD pin outside the
IC.
2. In case of using CTLC, CTLD pins pulled-down to the level of VDD pin externally, the current flows into
the VSS pin (ISS) is calculated by the following formula.
ISS=IOPE+ICTLCL+ICTLDL



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