BA6665FM Datasheet, PDF (3/9 Pages) Rohm – Motor driver for CD-ROMs

Optical disc ICs
zPin descriptions
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
FIN
Pin Name
N.C.
N.C.
A3
N.C.
A2
N.C.
A1
GND
H1⁺
H1^−
H2⁺
H2^−
H3⁺
H3^−
N.C.
FG3
FG2
FG1
VH
CNF
ECR
EC
PS
REV
VCC
N.C.
VM
RNF
FIN
Function
N.C.
N.C.
Output3 for motor
N.C.
Output2 for motor
N.C.
Output1 for motor
GND
Hall input Amp1. positive input
Hall input Amp1. negative input
Hall input Amp2. positive input
Hall input Amp2. negative input
Hall input Amp3. positive input
Hall input Amp3. negative input
N.C.
FG3 signal output terminal
FG2 signal output terminal
FG1 signal output terminal
Hall bias
Capacitor connection pin for phase compensation
Torque control standard voltage input terminal
Torque control voltage input terminal
START / STOP switch
Reverse terminal
Power supply for signal division
N.C.
Power supply for driver
Terminal connection for current sensing resistor
GND
BA6665FM