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Part Name
Description
MM1291HW View Datasheet(PDF) - Mitsumi
Part Name
Description
View to exact match
MM1291HW
Protection of Lithium Ion Batteries (one cell)
Mitsumi
MM1291HW Datasheet PDF : 7 Pages
1
2
3
4
5
6
7
MITSUMI
Block Diagram
Protection of Lithium Ion Batteries (one cell) MM1291
V
S
indicates average values.
V
ALML
is low due to the effect of R1 linked to the V
IN
pin.
*
1 A : 4.150V
B : 4.050V
C : 4.073V
*
2 A : 4.350V
B : 4.250V
C : 4.100V
*
3 A : 0.10V
B : 0.10V
C : 0.15V
Timing Chart
V
IN
(V
CC
)
CS
Charge
Excess Normal
discharge
V
ALM
V
ALML
V
DF
V
S1
0V
unsettled
*
1
1.0V
0V V
CS
V
ST
Charge
Charge
Excess
Normal
Excess
Charge
discharge
Overcurrent protection
Normal
Normal
Excess
discharge
Overcurrent protection
Normal
Normal Excess discharge
Load release
Load release
Load release
unsettled
GD
0V
TOO
TOC1
TOD
TOC2 TOC2
TD
0V
OC
0V
T
ALM
*
1 C only
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