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BA6856FP: 3 PHASE MOTOR DRIVER FOR DVD PLAYERS
Features
• /3-phase, full-wave pseudo linear driving system
• built-in power save
• built-in therma shut down circuit
• built-in current limit circuit
• built in Hall bias circuit
• built in FG-output (3-phase parallel output)
• with switching function of regular/ reverse rotations
blockdiagram
28
RNF
27
VM2
26
VM1
24
REV
REV
23
PS
PS
22
EC
+
21
ECR
-
20
CNF
19
VH
H BIAS
18
FG1
17
FG2
16
FG3
MT2
MT1
30
29
Circuit Descriptions and List of Abbreviations
25
VCC
DRIVER
GAIN
CONTROL
- +
GND
8
SACD 900
BA6856FB
3
A3
5
A2
7
A1
1
NC1
2
NC2
+
-
H1+
9
+
H1-
10
-
4
NC3
+
6
NC4
-
H2+
11
+
H2-
12
-
15
+
NC5
-
H3+
13
+
H3-
14
-
9.
EN 113
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