Pioneer DV-350-K Manual page 99

5
7 BA6664FM (FJMB ASSY : IC251)
• Spindle Driver
¶ Block Diagram
A3 2
A2 4
A1 7
GND 8
H1+ 9
H1- 10
H2+ 11
H2- 12
H3+ 13
H3- 14
¶ Pin Function
No. Pin Name
1 N.C. N.C.
2 A3 Output pin
3 N.C. N.C.
4 A2 Output pin
5 N.C. N.C.
6 N.C. N.C.
7 A1 Output pin
8 GND GND pin
9 H1+
10 H1-
11 H2+
Hall signal input pins
12 H2-
13 H3+
14 H3-
15 VH Hall bias pin
5
6
DRIVER
GAIN
CONTROL
CURRENT
SENSE AMP
T
L
HALL AMP
R
D Q
CK Q
Pin Function
DV-454-K
6
7
28
27
TSD
GAIN
26
SWITCH
Vcc
25
24
TORQUE
23
PS
SENSE AMP
22
Vcc
21
Vcc
20
19
18
SHORT BRAKE
17
16
BRAKE MODE
15
HALL BIAS
No. Pin Name
16 BR Brake mode switching pin
17 CNF Capacitor connection pin for phase compensation
18 SB Short brake pin
19 FG2 FG 3-phase mix signal output pin
20 FR Rotation detecting pin
21 ECR Control reference pin of output voltage
22 EC Output voltage control pin
23 PS Power save pin
24 FG FG signal output pin
25 VCC Power supply pin
26 GSW Gain switching pin
27 VM Motor power pin
28 RNF Resistor connection pin for output current detection
FIN FIN GND
7
8
RNF
VM
GSW
VCC
FG
PS
EC
ECR
FR
FG2
SB
CNF
BR
VH
Pin Function
95
8
A
B
C
D
E
F