FAN8034 Fairchild Semiconductor, FAN8034 Datasheet - Page 5

• Manufacturer Part Number: FAN8034
• Description: 6-CH Motor Driver
• Manufacturer: Fairchild Semiconductor

Internal Block Diagram
Note.
(GND)
FIN
OUT3
OUT4
OUT1
OUT2
IN3
IN3+
IN4+
IN4
IN5+
IN1
IN2+
IN2
Detailed circuit of the output power amp
10
11
12
1
2
3
4
5
6
7
8
9
From input opamp
IN5
IN1+
13
48
OPIN1+
OUT5
14
47
Vref
OPIN1
+
+
+
+
Pref2 is almost PVCC2 / 2
+
15
CTL
Pref1 is almost PVCC1 / 2
46
+
10K
10K
10K
Pref
10K
FWD
OPOUT1
16
45
40K
REV
SVCC
17
40K
44
+
+
40K
40K
SGND
VREF
18
43
+
W
S
DO+
DO-
T.S.D
(GND)
(GND)
FIN
FIN
+
+
M
S
C
+
+
+
+
MUTE12
OPIN2+
MUTE12
19
42
+
MUTE34
OPIN2
MUTE34 MUTE5
20
41
D
D
+
OPOUT2 PS
MUTE5
+
+
+
+
21
40
POWER SAVE
TSD-M PVCC2 DO6
TSD-M
22
39
PVCC1
23
38
24
DO1+
37
29
28
27
26
25
36
35
34
33
32
31
30
DO2
DO2+
DO3+
DO3
DO4+
DO4
DO6+
DO1
PGND1
PGND2
(GND)
DO5+
DO5
FIN
FAN8034
5