RX-DV5RSL
1-44
2.Pin function
BA6664FM (IC251) : Motor driver
1. Block diagram
DRIVER
TSD
VCC
VCC
VCC
PS
TL
2
A3
RNF
VM
GSW
VCC
FG
PS
EC
ECR
FR
FG2
SB
CNF
BR
VH
A2
A1
GND
H1+
H1-
H2+
H2-
H3+
H3-
4
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
HALL AMP
SHORT BRAKE
BRAKE MODE
Hall Bias
GAIN
CONTROL
R
D
CK
Q
Q
GAIN
SWITCH
TORQUE
SENSE AMP
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
CURRENT
SENSE AMP
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Symbol
NC
A3
NC
A2
NC
NC
A1
GND
H1+
H1-
H2+
H2-
H3+
H3-
VH
BR
CNF
SB
Function
NC
Output3 for motor
NC
Output2 for motor
NC
NC
Output1 for motor
GND
Positive input for hall input Amp1
Negative input for hall input Amp1
Positive input for hall input Amp2
Negative input for hall input Amp2
Positive input for hall input Amp3
Negative input for hall input Amp3
Hall bias terminal
Brake Mode terminal
Capacitor connection pin for
phase compensation
Short brake terminal
Pin No.
19
20
21
22
23
24
25
26
27
28
FIN
Symbol
FG2
FR
ECR
EC
PS
FG
Vcc
GSW
VM
RNF
FIN
Function
N3Phase synthesized FG signal
output terminal
Rotation detect signal output terminal
Torque control standard voltage input
terminal
Torque control voltage input terminal
START/STOP switch
FG signal output terminal
Power supply for signal division
Gain switch
Power supply for driver division
Resistance connection pin for output
current sense
GND