AT5669
5-Channel Motor Driver for DVD/VCD
with 2 Linear Regulator and 1 OPAMP
Pin Descriptions
Pin No.
Pin name
Function
CH1(Focus coil) input
1
IN1
2
3
4
5
6
7
DL1
FB2
IN2
3V3
FWD
REV
Linear Regulator 3V3 driver output
Linear Regulator 2 feedback input
CH2(Sled driver) input
Linear Regulator 3V3 input
CH5 forward input
CH5 reverse input
8
9
VCC1
OUT5-
OUT5+
OUT2+
OUT2-
OUT1-
OUT1+
OUT4+
OUT4-
OUT3+
OUT3-
VCC2
CPIP
Power Supply 1
CH5(Tray driver) output(-)
CH5(Tray driver) output(+)
CH2(Sled driver) output (+)
CH2(Sled driver) output (-)
CH1(Focus coil) output (-)
CH1(Focus coil) output (+)
CH4(Tracking coil) output (+)
CH4(Tracking coil) output (-)
CH3(Spindle) output (+)
CH3(Spindle) output (-)
Power Supply 2
OP positive input
CH5 Speed control input
OP negative input
CH3(Spindle) input
OP Output
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
VCTL
CPIN
IN3
CPO
DL2
Adjustable Linear Regulator driver output
CH4 (Tracking driver) input
VREF input pin
IN4
VBIAS
MUTE_1_2_3_4
Mute control for CH1,CH2,CH3,CH4
Notes: The indicated polarities for the output pins are under the condition that all inputs are (+).
The power supplies for the driver output are Vcc1 for the loader, Vcc2 for focus and tracking
drivers, and Vcc for pre-block and sled driver. Therefore, make sure Vcc1≧Vcc2.
Pin Out
7F, NO.9, Park Avenue II, Science-Based Industrial Park, Hsinchu 300, Taiwan, R.O.C.
Tel: 886-3-563-0878
8/22/2006 REV:1.1
Fax: 886-3-563-0879
WWW: http://www.aimtron.com.tw
Email: service@aimtron.com.tw
2
AIMTRON [ AIMTRON TECHNOLOGY ]
