2 . T e c h n i c a l System Description
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SW 9.xx
2.22
Switch Mode Power Supply Microcontroller SMPS-MC
2.22.1
Block Diagram SMPS-MC
S
e
co
nd
a
ry
Si
d
e
Pr
im
ary
S
ide
20
..
3
0V
d
c
F
_
ba
t
I_
ba
t
Fi
lt
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r
(E
M
C
)
Po
w
e
r
Fa
c
to
r
Co
rr
ec
ti
o
n
PF
C
Ba
tt
e
ry 2
4
V
(O
p
ti
o
n
)
F5
A
/F
5
B
T
6
.2
5A
(
2
30
V
)
F
1
2
A
(
110V
)
F5
A
F5
B
F6
F6 F
1
2A
(
2
30
V
)
F2
0
A
(
1
1
0
V
)
F1 T
6
.25A
F2 T6
.2
5
A
0V
M
ic
roc
o
n
tr
ol
le
r
Ha
rd
w
a
re
Wa
tc
h
d
o
g
1
20
S
ign
a
ls
Bu
zz
er
L
N
PE
PE
LH
1
LH
2
N1
PE
1
Do
u
b
le
-
Sta
g
e
He
a
te
r
Ma
in
s
Fo
rw
a
rd
C
o
n
ve
rt
e
r
GN
D
+5
V
D
+5
V
D
+5
V
D
+5
V
D
+1
2
V
D
+1
2
V
D
+1
2
V
A
-1
2V
D
-1
2V
A
0V
0V
0V
0V
0V
F
301
F
302
F3
0
3
F3
0
4
-
E
xt.
-
P14
-
- M
o
th
er
b
o
a
rd
-
A
B
PM
- P7
-
D
S
I -
P8
K4
K3
DC
DC
Fig. : Block Diagram Switch Mode Power Supply Microcontroller SMPS-MC