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EVAL-IMM101T
Smart IPM evaluation board application note
Pin assignments
4
Pin assignments
Table 4
Pinout description for IMM101T – single motor control use case – typical configuration
Pin
Name
Type Description
1
Vbus scaled
I
Vbus scaled ADC input
2
CREF
I/O
Analog Overcurrent Comparator threshold DAC
3
V
DD
P
Digital V
DD
input [3.3V – 5.0V]
4
P1.7
I/O
Digital Input --- Analog and Digital Output
5
Vcc
P
15V gate driver power supply input
6
V
SS
1
P
Gate Driver Power ground, connect externally via PCB to pin 36
7
VbV
P
V phase bootstrap capacitor positive
8
VbW
P
W phase bootstrap capacitor positive
9,10
VsU
P
U phase output
11,12
VrU
P
Leg U return – Low-Side MOS source
13,14
VrV
P
Leg V return – Low-Side MOS source
15,16, 40
VsV
P
V phase output and V phase bootstrap capacitor negative
17,18,19
VsW
P
W phase output and W phase bootstrap capacitor negative
20,21
VrW
P
Leg W return – Low-Side MOS source
22~29
Vbus
P
DC bus voltage
30, 39
VsU
P
U phase bootstrap capacitor negative
31
VbU
P
U phase bootstrap capacitor positive
32
RX0
I
Serial Port Receive input
33
TX0
O
Serial Port transmit output
34
Vsp
I
Analog Voltage Set Point Input
35
IW (or H0)
I
Analog Current sense input phase W or Hall0 input
36,41
V
SS
2
P
Signal ground --- Connect externally via PCB to pin 6
37
IV (or H1)
I
Analog Current sense input phase V or Hall1 input
38
ISS or IU
I
Analog Current sense input phase U or single Shunt
29
28
21
20
1
Top View
27
39
40
41
23
22
25
24
26
2 3 4 5 6
7
8
9
10
12
13
16
15
17
18
19
30
31
32
33
34
35
36
37
38
Note
Pins 39 and 40 are not required
to be connected electrically on
the PCB but are recommended
to be soldered for mechanical
stability.
14
11
Figure 4
IMM101T series pinout