T
S
W
IT
X
-G
4
-E
V
M
w
w
w
.s
e
m
te
c
h
.c
o
m
9
o
f 1
8
U
s
e
r
G
u
id
e
R
e
v
1
.0
0
NRST
1
GPIO1
2
GPIO2
3
VSS
4
LDO
5
VDD
6
ALERT
7
SDA
8
SCL
9
PWM1_L
10
PWM2_L
11
GPIO3
12
PWM1_H
13
PWM2_H
14
DEBUG
15
V_AC
16
I_DC
17
GPIO4
18
VREF
19
V_DC
20
U1
TS80002
1uF
6.3V
C5
GND
VCC5V
1uF
6.3V
C3
GND
10nF
10V
C4
GND
RESET
DEBUG
TP1
TP2
TP3
TP4
GND
VCC5V
RESET
DEBUG
SCL
SDA
SW
11
VIN
15
NC
5
GND
8
EN
1
nFLT
4
VDD
7
HSON
6
VIN
16
SCL
3
SDA
2
SW
12
PGND
13
PGND
14
PAD
17
NC
9
BOOT
10
U2
TS51231
VCC5V
100nF
10V
C2
22uF
6.3V
C1
GND
100nF
10V
C7
GND
4.7nF
50V
C6
GND
GND
GND
GND
1nF
100V
C9
330K
R7
22K
R8
D1
100nF
10V
C8
Coil Feedback
1K
R9
4.7nF
100V
C10
1K
R11
10K
R10
10K
R12
1nF
10V
C11
GND
GND
RX -> TX Communication
100nF
10V
C12
VCC5V
GND
SCL
SDA
DONE
22uF
6.3V
C17
GND
22nF
10V
C18
4.7nF
50V
C16
NC
C19
22uF
6.3V
C21
DONE
TP5
AC1
AC2
SMB_SCL
SMB_SDA
VBUS
1
D-
2
D+
3
GND
5
x
4
SHLD
6
7
8
9
J1
5V IN
GND
VCC5V
TX Coil
AC1
AC2
1K
R20
1
2
J2
LED 0805
LED1
GREEN
1
2
3
4
J3
Header 4
VCC5V
GND
SMB_SDA
SMB_SCL
