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BA6664FM-X (IC251) : 3Phase Motor Driver
1.Pin layout
2.Block diagram
Hall 1
Hall 2
Hall 3
DRIVER
A3
2
GAIN
A2
CONTROL
4
SENSE AMP
A1
TL
7
HALL AMP
GND
+
8
-
H1+
+
9
-
H1-
10
+
-
H2+
+
11
-
H2-
D Q
CK Q
12
+
-
H3+
13
+
-
H3-
14
28
27
TSD
GAIN
26
SWITCH
25
VCC
CURRENT
+
-
24
23
PS
TOROUE
SENSE AMP
22
+
-
21
VCC
20
VCC
19
R
SHORT BRAKE
18
17
16
BRAKE MODE
15
Hall Bias
FIN
R
NF
R
NF
VM
GSW
V
M
VCC
Vcc
FG
PS
EC
SERVO
SIGNAL
ECR
FR
FG2
SB
CNF
BR
VH
XV-LTR1
1-25
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