參數(shù)資料
型號(hào)： MM1438
廠商： MITSUMI ELECTRIC CO LTD
元件分類(lèi)： 穩(wěn)壓器
英文描述： IC for Control of Lithium-ion Betteries Charging
中文描述： BATTERY CHARGE CONTROLLER, PDSO8
封裝： VSOP-8
文件頁(yè)數(shù)： 3/7頁(yè)
文件大小： 142K
代理商： MM1438
MITSUMI
IC for Control of Lithium-ion Betteries Charging MM1438
Absolute Maximum Ratings
(Ta=25°C)
Item
Symbol
T
STG
T
OPR
V
CC
max.
V
CEL
max.
V
SW
Pd
Ratings
-
40~+125
-
20~+70
-
0.3~+18
-
0.3~+13
-
0.3~V
CC
+0.3
300
Unit
°C
°C
V
V
V
mW
Storage temperature
Operating temperature
Power supply voltage
CFL pin input voltage
SW input voltage
Allowable loss
Recommended Operating Conditions
Item
Symbol
T
OPR
V
OPR
Ratings
-
20~+70
2.5~+17
Unit
°C
V
Operating temperature
Charging control operating voltage
Electrical Characteristics
(Except where noted otherwise, Ta=25°C, V
CC
=5V, SW3 : A, SW6 : A, SW7 : A)
Item
Symbol
I
CC1
I
CC2
V
O1
V
O2
V
CL
Measurement conditions
VSW1=VSW2=0V (Charge : ON)
VSW1=VSW2=V
CC
(Charge : OFF)
Ta=25°C
Ta=0~50°C
Min. Typ. Max. Unit
250
2
4.100 4.125 4.150
4.095 4.125 4.155
90
100
Consumption current 1
Consumption current 2
Output voltage 1
Output voltage 2
Current limit
Inflow current between
CEL-CS during operation
Leak current between CEL-CS
SW1 input current
SW1 input voltage L
SW1 input voltage H
Low voltage detection voltage
SW2 input current
SW2 input current L
SW2 input current H
Low voltage detection
output leak current
Low voltage detection
output saturation voltage
EXT pin inflow current
EXT pin output voltage
Note 1: Please insert a capacitor of several μF between power supply and ground when using.
Note 2: Be sure that CS pin potential does not fall below
-
0.5V.
Note 3: If the IC is damaged and control is no longer possible, its safety can not be guaranteed. Please
protect with something other than this IC.
400
10
μA
μA
V
V
mV
110
I
CEL1
3.0
5.0
7.0
μA
I
CEL2
I
SW1
V
L1
V
H1
L
V
I
SW2
V
L2
V
H2
V
CC
=0V or OPEN
0.01
20
1
μA
μA
V
V
V
μA
V
V
30
2.0
V
CC
+0.3
2.3
30
2.0
V
CC
+0.3
Charge : ON
Charge : OFF
-
0.3
V
CC
-
0.1
2.0
2.15
20
Low voltage detection circuit: ON
Low voltage detection circuit: OFF
-
0.3
V
CC
-
1.0
I
LV
0.5
μA
V
LV
I
SINK
=1mA
0.2
0.4
V
I
EXT
V
EXT
10
0.3
20
mA
V
For no load
V
CC
-
0.3
Note: Operating voltage minimum value is during rated current control.
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