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參數(shù)資料
| 型號(hào)： | MM1412 |
| 廠商： | MITSUMI ELECTRIC CO LTD |
| 元件分類： | 電源管理 |
| 英文描述： | Protection of Lithium-Ion Batteries Monolithic IC |
| 中文描述： | POWER SUPPLY SUPPORT CKT, PDSO8 |
| 文件頁數(shù)： | 4/7頁 |
| 文件大?。?/td> | 124K |
| 代理商： | MM1412 |
MITSUMI
Protection of Lithium-Ion Batteries MM1412
Recommended Operating Conditions
Electrical Characteristics
(Except where noted otherwise, Ta=25°C)
Item
Symbol
T
OPR
V
OP
Ratings
-
20~+70
+0.9~+18
Unit
°C
V
Operating temperature
Operating power supply voltage
Item
Symbol
V
OC
V
OC
V
OD
I
VH1
I
VH2
I
VH3
I
VH4
I
VL
V
DF
V
GDH
V
GDL
I
OCH
V
CS1
V
CS2
Measurement conditions
Ta=0°C~50°C
Min. Typ. Max. Unit
4.325 4.350 4.375
170
220
2.20
2.30
Overcharge detection voltage
Overcharge detection hysteresis voltage
Overdischarge detection voltage
Consumption current 1
Consumption current 2
Consumption current 3
Consumption current 4
VL pin input current
Overdischarge release voltage
GD pin H output voltage
GD pin L output voltage
OC pin output current
Overcurrent detection threshold value
Overcurrent short threshold value
Overcurrent release
Overcurrent detection delay time 1
Overcurrent detection delay time 2
Overdischarge detection delay time
Overcharge detection dead time
Start-up voltage
Note 1: Overcurrent short mode delay time (overcurrent delay time 2) is IC response speed.
In actual use, the time for discharging the discharge control FET gate capacity is added.
Also, when voltage change is large due to excess current, the IC internal bias current may turn off
temporarily, causing response time to lengthen. Select the time constant for the capacitor
connected to the power supply pin so that power supply fluctuation is more than 100μS/1V.
V
270
2.40
0.1
0.8
20.0
mV
V
μA
μA
μA
μA
μA
V
V
V
μA
mV
V
V
H
=V
L
=1.0V V
CS
=1.4V
V
H
=V
L
=1.9V V
CS
=3.2V
V
H
=V
L
=3.5V
V
H
=V
L
=4.5V, R
OC
=270k
V
H
=V
L
=3.5V
Discharge resume by voltage rise
V
H
=V
L
=3.5V, IL=
-
10μA
V
H
=V
L
=3.5V, IL=10μA
V
H
=V
L
=4.5V
0.5
15.0
150
0
3.50
-
0.3
3.30
V
H
-
0.3 V
H
-
0.2
0.3
3.70
0.2
150
150
0.45
0.3
30
135
0.35
165
0.55
When both battery pack pins are shorted
Load release: Load of 5MEG
or more between both battery pack pins
t
OC
1
t
OC
2
t
OD
t
OCH
V
ST
7
12
30
13
1.0
18
100
20
1.5
mS
uS
mS
S
V
*
1
8
C
TC
=0.18μF
V
H
=V
L
=2.5V
0.5
-
0.24
-
0.12
-
0.04
Note 2: Calculate overcharge dead time according to the following formula:
Overcharge detection dead time: t
ALM
-
5.55 C
TD
[S]
[C
TD
: external capacitor, Unit:μF]
Item
Symbol
T
STG
T
OPR
V
CC
max.
V
OC
max.
V
CS
max.
Pd
Ratings
-
40~+125
-
20~+70
-
0.3~+18
-
0.6~V
CC
-
0.6~V
CC
300
Unit
°C
°C
V
V
V
mW
Storage temperature
Operating temperature
Power supply voltage
OC pin impressed voltage
CS pin impressed voltage
Allowable loss
Absolute Maximum Ratings
(Ta=25°C)
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