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PDF CXA2534Q Data sheet ( Hoja de datos )
| Número de pieza | CXA2534Q | |
| Descripción | 4-Channel CD Motor Driver | |
| Fabricantes | Sony Corporation | |
| Logotipo |  |
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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
1 page  
Pin Pin
Symbol
No. Voltage
6 TRACK IN
Equivalent circuit
VCC2
7 FOCUS IN 1.6 V
6
11k
7
9 SLED IN
9
8 FT MUTE
0V
10 SL BRAKE
VCC2
8
75k
10
75k
11
PGND
28
0V
VCC2
12 SP IN 1.6 V
12
7.5k
CXA2534Q
Description
Tracking error signal input pin
Focus error signal input pin
Sled error signal input pin
Focus and Tracking mute input pin
Sled motor brake input pin
Power ground for H-bridge drivers
Spindle error signal input pin
VCC2
13 SP MUTE 0 V
13
75k
75k
75k
75k
Spindle mute input
—5—
5 Page 
Pin Pin
Symbol
No. Voltage
Equivalent circuit
VCC1
CXA2534Q
Description
45 TR 1.2 V 45
5k
Together with the capacitor at TC, set
the start-up and free running frequency
of sawtooth
46 TC
— 46
VCC1 BATT
420k
×3
Together with the resistor at TR, set the
start-up and free running frequency of
×2
sawtooth
VCC1
47 CLK — 47
10k
Synchronizing clock pulse input
—11—
11 Page | ||
| Páginas | Total 23 Páginas | |
| PDF Descargar | [ Datasheet CXA2534Q.PDF ] | |
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