FAN8742 Просмотр технического описания (PDF) - Fairchild Semiconductor
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FAN8742
Fairchild Semiconductor
FAN8742 Datasheet PDF : 23 Pages
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Pin Definitions
Pin Number Pin Number Pin Name I/O
(exposed to bottom)
(exposed to top)
1
56
VM1
P
2
55
HU+
A
3
54
HU-
A
4
53
HV+
A
5
52
HV-
A
6
51
HW+
A
7
50
HW-
A
8
49
VH
A
9
48
PGND1
P
10
47
U
A
11
46
RSP1
A
12
45
V
A
13
44
PGND2
P
14
43
W
A
15
42
RSP2
A
16
41
SL1+
A
17
40
SL1-
A
18
39
SL2+
A
19
38
SL2-
A
20
37
PGND3
P
21
36
REF
A
22
35
MUTE1
A
23
34
MUTE2
A
24
33
RSL1
A
25
32
RSL2
A
26
31
VM2
P
27
30
SVCC2
P
28
29
SGND
P
29
28
SLIN2
A
30
27
SLIN1
A
31
26
PVCC2
P
32
25
PVCC1
P
33
24
IN2
A
34
23
IN1
A
35
22
PGND4
P
36
21
DO1 +
A
37
20
DO1 -
A
38
19
DO2 +
A
39
18
DO2 -
A
40
17
DO3 +
A
41
16
DO3 -
A
42
15
PVCC3
P
5
FAN8741/FAN8742 Rev. 1.0.1
Pin Function Description
Power supply for spindle
Hall signal input(Hu+)
Hall signal input(Hu-)
Hall signal input(Hv+)
Hall signal input(Hv-)
Hall signal input(Hw+)
Hall signal input(Hw-)
Hall bias
Power ground 1 for spindle channel
3-phase output U for spindle
Spindle current sensing 1
3-phase output V for spindle
Power ground 2 for spindle channel
3-phase output W for spindle
Spindle current sensing 2
Sled channel 1 drive output +
Sled channel 1 drive output -
Sled channel 2 drive output +
Sled channel 2 drive output -
Power ground for sled channels
Reference voltage input
Mute input 1
Mute input 2
Sled current sensing 1
Sled current sensing 2
Power supply for sled
Power supply for BTL Pre driver
Signal ground for BTL signal block
Sled channel 2 input
Sled channel 1 input
Power supply for BTL CH3
Power supply for BTL CH1/2
Channel 2 input
Channel 1 input
Power ground for BTL CH1/2
Channel 1 drive output +
Channel 1 drive output -
Channel 2 drive output +
Channel 2 drive output -
Channel 3 drive output +
Channel 3 drive output -
Power supply for BTL CH4
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