AN41206A
Contents
Overview ………………………………………………….…………………………………………………………. 3
Features ………………………………………………….…………………………………………………………. 3
Applications ………………………………………………….………………………………………………………. 3
Package…………………………………………………….…………………………………………………………. 3
Type ……………………………………………………….…………………………………………………………. 3
Block Diagram…………………………………………….…………………………………………………………. 4
Absolute Maximum Ratings …………………………….…………………………………………………………. 8
Operating Supply Voltage Range……………………….…………………………………………………………. 8
Pin Descriptions ……………………………………….……………………………………………………………. 6
Pl
SDC00070AEB
pla nc
ea
ne lud
se
pla m d m es
ne ain ain foll
htt visit
d d te te ow
p:/ fo
/w llo dis isc nan nan ing
ww wi co on ce c fo
.se ng ntin tin ty e ty ur
mi UR ue ued pe pe Pro
co L a d t ty
du
n.p bo yp pe
ct
e
life
an ut
d
as lat
cy
on es
cle
ic. t in
sta
co fo
ge
.jp rm
.
/en at
/ ion
.
Ma
int
en
an
ce
M
ain
Di
sc te
on na
tin nc
ue e/
d
/D
isc
on
tin
ue
di
2
AN41206A
AN41206A
Optical disk motor drive IC
Overview
AN41206A, an optical disk motor drive IC, has Direct PWM(Pulse Width Modulation)featuring low noise in a spindle motor
and 5-channel PWM motor driver are integrated on a single chip.
It is effective for reducing noise, vibration and power consumption of laptop computers.
driver
Type
Silicon monolithic bipolar IC
Ma
int
en
48 pin plastic quad flat package with heat slug (QFP Type)
an
Package
ce
/D
Slim Type
CD-ROM, DVD-ROM, CD-R/RW
DVD recorder, Combination types
5 V system CD/DVD player
isc
on
tin
Pl
SDC00070AEB
ue
Applications
pla nc
ea
ne lud
se
pla m d m es
ne ain ain foll
htt visit
d d te te ow
p:/ fo
/w llo dis isc nan nan ing
ww wi co on ce c fo
.se ng ntin tin ty e ty ur
mi UR ue ued pe pe Pro
co L a d t ty
du
n.p bo yp pe
ct
e
life
an ut
d
as lat
cy
on es
cle
ic. t in
sta
co fo
ge
.jp rm
.
/en at
/ ion
.
M
ain
Di
sc te
on na
tin nc
ue e/
d
Features
3-phase full-wave and low-noise Direct PWM drive system for spindle motor driver.
Linear input, Direct PWM driving for actuator (Focus, Tracking and Tilt coil), sled motor driver.
Enable to reduce total power consumption.
Individual construction of power supply pins : Individual construction of power supply pins of Spindle, Actuator and Sled Motor
Compact package : Less area 9.0 mm× 9.0 mm (Pins included)
Slim package 1.0 mmt
High power dissipation : On standard board (one side) : 1.348 W (Glass-epoxy 50 mm
×
50 mm
×
0.8 mmt)
Functions
: Spindle motor driver
Actuator (Focus, Tracking, Tilt) driver
Sled Stepping Motor driver
Drive voltage
: 5V
Additional features: Short brake / Reverse brake / Auto brake switching
1 time / 3 times FG output
SP gain mode switching
Built-in Bias pin for Hall element
Output reset function at V
REF
drop
Thermal shutdown
di
3
AN41206A
Block Diagram (continued)
Notes)
BMS Mode table
H
OPEN
L
Reverse-Brake
S-R-S-Brake
Short-Brake
Spindle speed control signal input
SPIN > VREF
SPIN <VREF
Acceleration
Brake
GSW
SFG
H
CH operation
FG output
1FG
3FG
All CH operating
All CH operating
CH1 mute
L
OPEN
L
1FG
H
All CH operating
All CH operating
CH1 mute
H
OPEN
L
1FG
Pl
SDC00070AEB
pla nc
ea
ne lud
se
pla m d m es
ne ain ain foll
htt visit
d d te te ow
p:/ fo
/w llo dis isc nan nan ing
ww wi co on ce c fo
.se ng ntin tin ty e ty ur
mi UR ue ued pe pe Pro
co L a d t ty
du
n.p bo yp pe
ct
e
life
an ut
d
as lat
cy
on es
cle
ic. t in
sta
co fo
ge
.jp rm
.
/en at
/ ion
.
SP gain
high
low
5
Ma
int
en
an
ce
M
ain
Di
sc te
on na
tin nc
ue e/
d
GSW/SFG mode table
/D
isc
on
tin
ue
di
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
