M62253AGP Datasheet, PDF (4/10 Pages) Mitsubishi Electric Semiconductor – Charge Control IC for Li-Ion Batteries

MITSUBISHI <STD-Linear ICs>
M62253AGP
Charge Control IC for Li-Ion Batteries
3-2. For 4.2V type battery
(Vcc=12.0V, VSENSE=3.6V, Ta=25deg, unless otherwise noted)
Blocks Symbol
Parameter
Condition
Min.
All
Vcc Supply voltage
5.0
device
Icc Current consumption
LED is off
V DD
VDD ^{VDD output voltage}
4.30
V THchgon Charge start voltage
2.56
V THqchgon
Voltage _{Vo chg1}
Detection _{Vo chg2}
V THrchgon
Quick charge start voltage
Output voltage setting 1
Output voltage setting 2
Recharge start voltage
during a charge
at charge completion
at charge completion
2.97
4.17
2.51
3.89
IinVSENSE VSENSE terminal input current
-2.0
ISET1
Charging current setting voltage 1
2.66V<battery V.<3.07V
15
Current
Detection
ISET2
ITHchgoff
IINSENSE+
Charging current setting voltage 2
Charge completion detecting voltage
Input current into SENSE+ pin
5.0V<Vcc<8.0V
3.07V<battery V.<4.2V
8.0V<Vcc<15.0V
3.07V<battery V.<4.2V
4.1V<battery Voltage
during a charge
232
237
15
IINSENSE- Input current into SENSE- pin during a charge
LED
V OHLED1 LED1 pin saturation voltage
V OHLED2 LED2 pin saturation voltage
ILED1=10mA
ILED2=10mA
V THINTH1 T IN pin upper threshold voltage 1
V THINTL1 T IN pin lower threshold voltage 1
V DD=4.53V
T IN V THINTH2 T IN pin upper threshold voltage 2
3.11
1.39
3.13
V THINTL2 T IN pin lower threshold voltage 2
1.49
Iin TIN Input current into T IN pin
-1.0
OUT
V OHOUT Output pin saturation voltage
ILOUT _{Output pin leak current}
IOUT =20mA
V OUT =15V
C1
td C1 Delay time for voltage detection at recharge C1=2.2uF _0.76
td BDET1 Connect/disconnect detection time1
4.2V con. voltage output period
C2 = 2.2uF
0.82
td BDET2 Connect/disconnect detection time2
2.61V con. voltage output period
C2 = 2.2uF
76
C2
td IDET Delay time for current detection _{C2 = 2.2uF}
0.82
td ILED Delay time for LED switch over _{C2 = 2.2uF}
1.56
td chg _{Discharging time}
C2=2.2uF (after current detection) 30
C3
td C3
Delay time for temperature detection
C3 = 0.1uF
34
Limits
Unit
Typ. Max.
15.0 V
7
mA
4.53 4.76 V
2.66 2.76 V
3.07 3.17 V
4.20 4.23 V
2.61 2.71 V
3.99 4.09 V
2.0 uA
26 37 mV
256 280 mV
256 275 mV
26 37 mV
60 85 uA
60 85 uA
0.4 V
0.4 V
3.21 3.31 V
1.49 1.59 V
3.23 3.33 V
1.59 1.69 V
uA
1.0 2.0 V
1.0 uA
1.06 1.36 s
1.15 1.48 s
106 136 ms
1.15 1.48 s
2.21 2.86 s
90
ms
49 64 ms
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00-08-24