User Manual
10
Revision 1.1
2020-07-09
EVAL-M1-IM231-A User Manual
iMOTION
™
Modular Application Design Kit
Pin assignments
Table 5 provides the pin assignments of the M1 20-pin interface connector J4. This connector is the interface to
the controller board.
Table 5
J4 - 20 pin interface connector for controller board
Pin
Name
Connectors
1
PWMUH
3.3 V compatible logic input for high side gate driver-Phase U
2
GND
Ground
3
PWMUL
3.3 V compatible logic input for low side gate driver-Phase U
4
GND
Ground
5
PWMVH
3.3 V compatible logic input for high side gate driver-Phase V
6
+3.3 V
On board 3.3 V supply
7
PWMVL
3.3 V compatible logic input for low side gate driver-Phase V
8
+3.3 V
On board 3.3 V supply
9
PWMWH
3.3 V compatible logic input for high side gate driver-Phase W
10
IU+
Positive Current sense output
11
PWMWL
3.3 V compatible logic input for low side gate driver-Phase W
12
IU-
Negative current sense output or Ground
13
GK
Gate kill signal – active low when overcurrent is detected
14
DCBSENSE
DC bus positive voltage, scaled in 0-3.3 V range by a voltage divider
15
VTH
Thermistor Output
16
IV+
Positive Current sense output
17
IV-
Negative current sense output or Ground
18
IW+
Positive Current sense output
19
IW-
Negative current sense output or Ground
20
VCC
15 V Supply