GS66504B-EVBDB 650V
GaN E-HEMT Evaluation Board
User’s Guide
_____________________________________________________________________________________________________________________
GS66504B-EVBDB UG rev. 161120
© 2016 GaN Systems Inc.
www.gansystems.com 26
Please refer to the Evaluation Board/Kit Important Notice on page 29
Appendix B - GS665MB-EVB
Circuit schematics
C
14
10uF
700V
F
O
O
T
P
R
IN
T
F
O
R
G
S
6
6
5
X
X
-E
V
B
D
B
M1
M2
M3
M4
P
C
B
S
T
A
N
D
O
F
F
4
.7
5
M
M
M
N
T
H
O
L
E
K
E
Y
S
T
O
N
E
8
8
3
9
-8
8
3
4
J1
1
2
VAU
X
_R
T
N
U1
M
C
7805
IN
1
OU
T
3
GND
4
C4
10u
C
0805
+
5V
VAU
X
0V
0V
C
ON
2
1
C
ON
6
1
EN
ABLE
C
ON
3
1
J5
1
2
3
4
5
7
6
8
0V
PW
M
_EX
T
_H
PW
M
_I
N
T
R6
1K00
D1
PM
EG2005EB
SOD
523
PW
M
_I
N
T
_I
N
V
T
R
1
2K
C
11
100pF
0V
PW
M
_EX
T
_L
PW
M
_I
N
T
PW
M
_I
N
T
_I
N
V
VD
C
-
R5
1K00
C
10
1uF
C9
0.
1uF
+
5V
J7
112538
1
2
3
4
5
C
13
10uF
700V
R4
100R
R
1206
R2
100R
R
1206
U
2A
74VH
C
132
3
1
2
14
7
0V
R1
49R
9
0V
D2
PM
EG2005EB
SOD
523
VD
C
+
T
R
2
2K
C
12
100pF
0V
U
2B
74VH
C
132
4
5
6
U
2C
74VH
C
132
9
10
8
U
2D
74VH
C
132
12
13
11
VD
C
-
C
ON
5
1
C
ON
7
1
T
P3
T
P4
T
P1
T
P2
T
P7
+
5V
T
P8
0V
0V
V
A
U
X
1
2
V
I
N
E
X
T
E
R
N
A
L
P
W
M
I
N
P
U
T
T
O
D
S
P
/M
C
U
C
O
N
T
R
O
L
B
O
A
R
D
P
W
M
I
N
P
U
T
S
E
L
E
C
T
IO
N
O
N
B
O
A
R
D
D
E
A
D
T
IM
E
G
E
N
E
R
A
T
IO
N
C
IR
C
U
IT
U
S
E
T
R
1
A
N
D
T
R
2
T
O
A
D
JU
S
T
D
E
A
D
T
IM
E
P
O
S
2
/3
:
I
N
T
E
R
N
A
L
P
W
M
S
IG
N
A
L
VOU
T
C1
220uF
25V
C
APAL-PAN
A-F
C2
1uF
25V
V
D
C
_
P
V
D
C
_
N
V
O
U
T
+
5
V
V
C
C
C
ON
1
1
J3
1
1
2
2
T
O
1
2
V
F
A
N
C
ON
4
1
P
O
S
1
:
E
X
T
.
P
W
M
S
IG
N
A
L
DNP
DNP
DNP
VSW
T
P6
T
P9
T
P-KEY
ST
ON
E-5010
+
5V
PW
M
H
_I
N
T
P10
T
P-KEY
ST
ON
E-5010
T
P11
T
P-KEY
ST
ON
E-5010
T
P12
T
P-KEY
ST
ON
E-5010
T
P13
0V
+
12V
PW
N
L_I
N
P
W
M
O
U
T
P
U
T
IN
V
E
R
T
E
D
P
W
M
O
U
T
P
U
T
VSW
N
O
T
E
S
-
U
N
L
E
S
S
O
T
H
E
R
W
IS
E
S
P
E
C
IF
IE
D
1
.
A
L
L
S
M
D
R
E
S
IS
T
O
R
S
A
N
D
C
A
P
A
C
IT
O
R
S
A
R
E
0
6
0
3
S
IZ
E
0V
0V
J2
1
2
3
4
5
6
J4
P
O
S
4
:
O
F
F
C5
C6
T1
C
M
C
-08
1
4
2
3
J6
VD
R
V
R3
49R
9
DNP
DNP
+
12V
R7
49R
9
C3
10u
C
0805
C7
C8
0.
1uF
1k
V
C
1812
VD
C
+
2
.
D
O
N
O
T
I
N
S
T
A
L
L
T
R
1
,T
R
2
,R
2
,R
3
A
N
D
C
1
4
J8
1
J9
1
J
10
1
T
P5