Schematics

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
VDD OUT
VDD IN
VCC_SYS5V = 0.75*(1+237K/42.2K)V = 4.962V
1500mA path 3000mA path
500mA path
Adapter Input
9V~24VDC
V_APD >= 1.5V
10 / (10 + 49.9) * 9 V=1.503V
1500mA path
57V (MAX) DC to 5V DC
POE12
POE36
POE45
POE78
POE_V+
POE_V-
VDD
VSS
VDD
VDD
VCC_SYS5V
POE12[4]
POE36[4]
POE45[4]
POE78[4]
Title
Size
Document Number Re v
Date: Sheet
of
<Doc> 2.0
POE
B
57Monday, January 18, 2021
Title
Size
Document Number Re v
Date: Sheet
of
<Doc> 2.0
POE
B
57Monday, January 18, 2021
Title
Size
Document Number Re v
Date: Sheet
of
<Doc> 2.0
POE
B
57Monday, January 18, 2021
R41 0
R42
200K
C47
10uF
R45
49.9K
C39
1000pF/100V
C43
1000pF/100V
C44
0.1uF/100V
L7 220Z
12
R38
24.9K
U6
VDD
1
DEN
2
CLS
3
VSS
4
RTN
5
CDB
6
T2P
7
APD
8
PWPD
9
RV1
C54
0.027uF
+
-
D6
MB1S
4
1
3
2
C46 100nF
D8 GREEN
12
+
C50
100uF
R37
10K
C42
1000pF/100V
C52
2.2uF/100V
CN3
CON2
1
2
C53
0.1uF/100V
D16 S310
D9
S310
D3 S310
R39
12.4K
U7
BOOT
1
VIN
2
EN
3
RT_SYNC
4
FB
5
PGOOD
6
GND
7
SW
8
PAD
9
C40
0.1uF/100V
R40
L8 220Z12
F2
+
-
D5
MB1S
4
1
3
2
F1
R43
237K
C45
22uF/80V
C41
10nF
L9 6.8uH
R44
100K
C48
10uF
C51
2.2uF/100V
L6 220Z
12
L5 220Z
12
R36
49.9K
D7
SMAJ58A
SMA
1 2
C49
100nF
R46
42.2K