Protection
5
4
3
2
1
6
D
C
A
B
D
C
A
B
5
4
3
2
1
6
SC-LX801/SC-LX901
Detection circuit
Over Current Detection of MOS FET in Output Stage
A
M
P
O
V
E
RLO
A
D
T4100
7G17C-220M
PWM2
RF071M2S
9
10
12
14
13
15
16
IRF6775MPBF
1
2
4
5
6
7
R4132
11k
V+64V
V-64V
!
!
!
Q4401
Q4402
!
Q4301
Q4302
!
Q4801
Q4802
!
Q4901
Q4902
!
Q4601
Q4602
!
100k
R41
7
7
100k
R41
3
3
3
1
2
4
5
6
7
3
10k
R41
3
4
7.5
k
R41
3
5
R4137
10
Q4101
R4186
100
D4117
1
8
u
/5
0
V
C41
3
4
2.4
k
R41
3
6
W
K
7
3
R2H
T
T
E
1
0
0
J
R41
4
2
101K
C41
5
9
2.2
R41
9
7
1.8
R
41
96
4
7
3
K
1
0
0
V
C41
6
1
4
7
3
K
1
0
0
V
C41
7
5
2.2
R41
9
8
101K
C41
6
0
W
K
7
3
R2H
T
T
E
1
0
0
J
R41
4
3
Q4102
IRF6775MPBF
Q5101
IRS2092STRPBF
DRIVER
11
8
6
7
5
4
3
2
1
VAA
GND
IN-
COMP
CSD
VSS
VREF
OCSET
CSH
VB
HO
VS
VCC
LO
COM
DT
R4189
150
R4129
2.2k
1
03J
C41
1
1
1
03J
C41
2
2
2.7
k
R41
2
6
10
k
R64
7
5
V-5V_CSD V-5VFILT2
GNDS
VSS+12V
10
k
R41
3
0
R4140
10
10
R64
3
8
1
R64
3
9
DZ
2
J
1
3
0
M
0
L
D41
0
2
R4109
330
1
04K
C41
1
2
1
04K
C41
4
7
1
04K
C41
1
3
Q4131 2SC2412K-R
!
9.1
k
R41
3
1
4.7
R41
3
8
CM
H07
D41
1
8
1
R
41
39
1
R41
9
3
1
8
u
/5
0
V
C41
3
6
R4141
10
Q4201
Q4202
!
C41
0
0
104J
GNDP
R4155
100k
R4153
47k
1SS355
D4119
1
R64
1
2
1
03K
C41
5
6
R64
1
1
R41
5
2
6
8
k
1
01J
C41
5
7
24k
R41
5
6
10/5W
R
41
54
R4104
A
M
P
O
V
E
RLO
A
D
A
M
P
O
V
E
RLO
A
D
A
M
P
O
V
E
RLO
A
D
AMPOVERLOAD
XOLERR
-5
P4000A
R4044
1.5k
1
01J
C40
2
1
V+5V_S
R4043
100
UCOM
Q1610
BAETC-2163
-17
P7001A
-12
XO
L
ER
R
P7001B
-19
P1602B
-12
XO
L
ER
R
BAETC-2203
P1602A
-12
129
BAPRC-2072
P4000B
BACLD-2095 (2/7)
BACLD-
2095 (3/7)
BACLD-
2095 (6/7)
BACLD-
2095 (4/7)
BACLD-2095
47k
R40
4
5
Q4701
Q4702
!
A
M
P
O
V
E
RLO
A
D
BACLD-
2095 (5/7)
Q4501
Q4502
!
Q6601
Q6602
!
Q6501
Q6502
!
A
M
P
O
V
E
RLO
A
D
BACLD-
2095 (6/7)
