EK76
2
EK76U Rev A
Figure 1: Circuit Diagram
DUT
Vcc
INW_HS
INW_LS
INV_HS
INV_LS
INU_HS
INU_LS
DGND
PGND_W
OUT_W
+VS_VW
OUT_V
PGND_V
+VS_U
OUT_U
PGND_U
R3
HS,CSR
R2
HS,CSR
R1
HS,CSR
+Vs
PGND
W
V
U
P5
P3
P4
8
7
6
5
4
3
2
1
IMON_V
IMON_U
IMON_W
9
10
11
12
13
14
15
16
INW_H
INW_L
INV_H
INV_L
INU_H
INU_L
P14
P13
P12
P11
P10
P9
P8
P7
P6
P1
1
3
5
7
9
11
13
15
2
4
6
8
10
12
14
16
INU_H
INV_H
INW_H
IM_U
IM_W
INU_L
INV_L
INW_L
IM_V
P2
V
CC
CBP1
D1
CBP3
CBP2
CBP5
CBP4
R4
R5
D2
D3
1
2
3
4
5
6
7
8
9
10
R6-
socket
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
R7
J1
Press-Fit Sockets –
90 mil PTH ±2 mil
+
+
R8
LED1
V
CC
P16
P15
DGND
PGND
8
7
6
5
1
2
3
4
V
CC
V
CC
8
7
6
5
1
2
3
4
V
CC
V
CC
8
7
6
5
1
2
3
4
V
CC
V
CC
R9
+
-
+ -
+
-
+ -
V+
V-
1
2
3
4
5
6
7
14
13
12
11
10
9
8
R10
R11
R12
R17
R18
R19
R20
R14
R15
R16
R13
V
CC
R21
R22
V
CC
BIAS
BIAS
BIAS
GNDU
IMONU
IMONV
GNDV
GNDW
IMONW
R24
C2
CURRV
CURRU
R23
C1
R25
C3
CURRW
C4
U1
D4
D5
D6
OPTIONAL CURRENT SENSE CIRCUIT