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PMIC - battery management Charge management Li-Ion TSOT 23 5 Surface-mount
1
2
3
4
5
6
7
8
9
10
L
TC4054L-4.2
7
4054l42fa
block DiagraM
–
+
–
+
–
+
–
+
3
4
–
+
120°C
T
DIE
T
A
MA
CA
C1
C2
1
×
150
×
5µA
VA
R1
BAT
R2
R3
1V
0.1V
R4
R5
PROG
3µA
V
CC
R
PROG
REF
1.21V
SHDN
V
CC
STANDBY
CHRG
1
5
GND
4054L42 BD
2
–
+
C3
2.9V
TO BAT
1
...
...
5
6
7
8
9
...
...
16