FAN8741 Fairchild Semiconductor, FAN8741 Datasheet - Page 5

• Manufacturer Part Number: FAN8741
• Manufacturer: Fairchild Semiconductor

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