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Sony Semiconductor Electronic Components Datasheet

CXA2534Q Datasheet

4-Channel CD Motor Driver

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4-Channel CD Motor Driver
Description
CXA2534Q is a 4-channel H-bridge motor driver IC
designed for portable CD systems. It has a built-in
DC to DC converter controller that allows voltage
step-up to typically 3.2 V; this voltage can be used
to power the system DSP, SSP and micro-controller.
In addition, it also provides a PWM regulated power
supply to the H-bridge output stage so as to ensure
high efficiency.
Features
4 channels of H-bridge drivers
PWM regulated power supply for H-bridge output
stages
Step-up DC to DC converter controller for system
power supply
Start and off controls with soft start capability
Reset pulse
Short circuit protect
Over-voltage protect
Low battery voltage detection
Rechargeable battery charger
General purpose operational amplifier
Thermal shut-down for battery charger and H-
bridge driver (170 °C/140 °C)
Direct interface with wired remote controller
possible
Applications
Portable CD player
Structure
Bipolar silicon monolithic IC
CXA2534Q
48 pin QFP (Plastic)
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
—1—
E99145-TE


Sony Semiconductor Electronic Components Datasheet

CXA2534Q Datasheet

4-Channel CD Motor Driver

No Preview Available !

Absolute Maximum Ratings (Ta=25 °C)
Item
Supply voltage
Spindle channel output current
Sled channel output current
Focus channel output current
Track channel output current
Allowable power dissipation
operating temperature
Storage temperature
Symbol
VCC1, VCC2, PVCC
Io (spindle)
Io (sled)
Io (focus)
Io (track)
PD
Topr
Tstg
Recommended Operating Conditions (Ta=25 °C)
Item
System 1 supply voltage
System 2 supply voltage
Power VCC
Battery supply voltage
Battery charger supply voltage
Operating temperature
Symbol
VCC1
VCC2
PVCC
Batt
ChgVCC
Ta
Min
2.7
2.7
1.5
3
–10
Rating
13.5
400
300
200
200
660
–20 to +75
–65 to +150
Typ
3.2
3.2
PWM
2.4
4.5
25
Max
5.5
5.5
Batt
8
8
70
CXA2534Q
Unit
V
mA
mA
mA
mA
mW
°C
°C
Unit
V
V
V
V
V
°C
—2—


Part Number CXA2534Q
Description 4-Channel CD Motor Driver
Maker Sony Corporation
Total Page 23 Pages
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Sony Corporation





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