XV-LTR1
1-25
1.Pin layout
2.Block diagram
BA6664FM-X (IC251) : 3Phase Motor Driver
28
27
26
25
24
23
22
21
20
19
18
17
16
15
BRAKE MODE
Hall Bias
SHORT BRAKE
FIN
VH
BR
CNF
SB
FG2
FR
VCC
VCC
R
D Q
CK Q
ECR
EC
PS
FG
VCC
Vcc
VCC
GSW
VM
R
NF
R
NF
V
M
GAIN
SWITCH
2
4
7
8
9
10
11
12
13
14
Hall 1
Hall 2
Hall 3
H1+
H1-
H2+
H2-
H3+
H3-
+
-
+
-
+
-
+
-
+
-
+
-
SERVO
SIGNAL
TSD
PS
TOROUE
SENSE AMP
CURRENT
SENSE AMP
GAIN
CONTROL
+
-
+ -
DRIVER
HALL AMP
TL
A3
A2
A1
GND
NC
A3
NC
A2
NC
NC
A1
GND
H1+
H1-
H2+
H2-
H3+
H3-
RNF
VM
GSW
Vcc
FG
PS
EC
ECR
FR
FG2
SB
CNF
BR
VH-
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
29
30