FAN8725 데이터 시트보기 (PDF) - Fairchild Semiconductor
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FAN8725 Datasheet PDF : 20 Pages
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Pin Definitions
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
Pin Name
H1-
H1+
H2+
H2-
H3+
H3-
FG
DIR
SVCC1
VM1
CS1
PGND1
A1
A2
A3
SGND2
IN4
OUT4
IN3
OUT3
IN2
OUT2
VM2
IN1
OUT1
DO1+
DO1 -
DO2+
DO2 -
PGND2
DO3+
DO3 -
DO4+
FAN8725 (KA3025)
I/O
Pin Function Description
I
Hall 1(-) input
I
Hall 1(+) input
I
Hall 2(-) input
I
Hall 2(+) input
I
Hall 3(-) input
I
Hall 3(+) input
O
Frequency Generator output
O
Rotation direction output
-
Spindle Signal supply voltage
-
Spindle power supply
I
Spindle current sense
-
Spindle power ground
O
3-phase output1
O
3-phase output2
O
3-phase output3
-
CH signal ground
I
OP-Amp CH 4 input(-)
O
OP-Amp CH 4 output
I
OP-Amp CH 3 input(-)
O
OP-Amp CH 3 output
I
OP-Amp CH 2 input(-)
O
OP-Amp CH 2 output
-
CH1/CH2 power supply
I
OP-Amp CH 1 input(-)
O
OP-Amp CH 1 output
O
Channel 1 output (+)
O
Channel 1 output (−)
O
Channel 2 output (+)
O
Channel 2 output (−)
-
CH1/CH2 power ground
O
Channel 3 output (+)
O
Channel 3 output (−)
O
Channel 4 output (+)
3
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