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• Pin function
Pin No.
Symbol
I/O
1
NC
-
2
A3
O
3
NC
-
4
A2
O
5
NC
-
6
NC
-
7
A1
O
8
GND
-
9
H1+
I
10
H1-
I
11
H2+
I
12
H2-
I
13
H3+
I
14
H3-
I
15
VH
I
Hall bias terminal
16
BR
-
17
CNF
-
18
SB
I
19
FG2
-
20
FR
-
21
ECR
I
22
EC
I
23
PS
O
24
FG
O
25
VCC
-
26
GSW
O
27
VM
-
28
RNF
O
29
-
30
-
Non connect
Output 3 for spindle motor
Non connect
Output 2 for spindle motor
Non connect
Non connect
Output 1 for spindle motor
Connect to ground
Positive input for hall input AMP 1
Negative input for hall input AMP 1
Positive input for hall input AMP 2
Negative input for hall input AMP 2
Positive input for hall input AMP 3
Negative input for hall input AMP 3
Non connect
Capacitor connection pin for phase compensation
Short brake terminal
Non connect
Non connect
Torque control standard voltage input terminal
Torque control voltage input terminal
Start/stop switch (power save terminal)
FG signal output terminal
Power supply for signal division
Gain switch
Power supply for driver division
Resistance connection pin for output current sense
Connect to ground
Connect to ground
Description
TH-A75
(No.22009)1-25
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