TDA7473A STMicroelectronics, TDA7473A Datasheet

IC BTL DRIVER QUAD VREG 28-SOIC

TDA7473A

Manufacturer Part Number
TDA7473A
Description
IC BTL DRIVER QUAD VREG 28-SOIC
Manufacturer
STMicroelectronics
Datasheet

Specifications of TDA7473A

Applications
Motor Driver, Optical
Number Of Outputs
4
Current - Output
600mA
Voltage - Supply
6 V ~ 15 V
Operating Temperature
-25°C ~ 80°C
Mounting Type
Surface Mount
Package / Case
28-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Load
-

Available stocks

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Part Number
Manufacturer
Quantity
Price
Part Number:
TDA7473A
Manufacturer:
ST
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Part Number:
TDA7473A
Manufacturer:
ST
Quantity:
20 000
Part Number:
TDA7473A-013TR
Manufacturer:
ST
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Part Number:
TDA7473A-LF
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Part Number:
TDA7473A013TR
Manufacturer:
ST
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Part Number:
TDA7473A013TR
Manufacturer:
ST
Quantity:
20 000
DESCRIPTION
This device is a quad power driver circuit in BTL
configuration, intended for use as a power driver
for servo systems with a single supply.
It’s specially dedicated to compact disc players
Figure 1: Quad BTL Power Bridges + Multifunction Regulators.
June 1998
PASS
SHORT CIRCUIT PROTECTION
200mA) WITH SHORT CIRCUIT PROTEC-
TION
4 BUILT-IN POWER BRIDGES (4 x 0.6A)
NO EXTERNAL COMPONENTS
SINGLE POWER SUPPLY
WIDE SUPPLY VOLTAGE RANGE (6 TO 15V)
5V REGULATOR DRIVER FOR EXTERNAL
ADJUSTABLE REGULATOR (2.0 TO 3.6V @
R1
1K
R2
1K
TRANSISTOR
REG
ADJ
+
QUAD BTL DRIVER WITH VOLTAGE REGULATOR
VSUP
REFERENCE
VBG
VBG
OC
WITH
DRIV
VBG
5V
FOLD-BACK
ST_BY
IN2
IN3
IN4
COMM
REF
IN1
and it’s capable of driving focus & tracking actua-
tors sledge & spindle motors.
The regulators are mainly used to have a 5V sup-
ply for the power part and a lower programmable
voltage for the logic circuits.
+
+
+
+
-
-
-
-
VS1
VS2
VS/2
VS/2
VS/2
VS/2
GND GND GND GND
VS3
+
+
+
+
+
+
+
+
-
-
-
-
-
-
-
-
VS4
SO28 (24+2+2)
OUT 1+
OUT 1-
OUT 2+
OUT 2-
OUT 3+
OUT 3-
OUT 4+
OUT 4-
D95AU223B
TDA7473
M
M
ACTUATOR
ACTUATOR
TRACKING
SPINDLE
SLEDGE
MOTOR
MOTOR
FOCUS
1/5

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TDA7473A Summary of contents

Page 1

QUAD BTL DRIVER WITH VOLTAGE REGULATOR 4 BUILT-IN POWER BRIDGES (4 x 0.6A) NO EXTERNAL COMPONENTS SINGLE POWER SUPPLY WIDE SUPPLY VOLTAGE RANGE (6 TO 15V) 5V REGULATOR DRIVER FOR EXTERNAL PASS TRANSISTOR WITH SHORT CIRCUIT PROTECTION ADJUSTABLE REGULATOR (2.0 ...

Page 2

TDA7473 PIN CONNECTION (Top view) VSUP OUT1- VS1 OUT1+ OC GND GND ADJ OUT2+ VS2 OUT2- ST_BY REG PIN FUNCTIONS N. Pin Name regulated input 2 VSUP Positive power supply (battery) 3 OUT1- 1.st channel negative output ...

Page 3

ABSOLUTE MAXIMUM RATINGS Symbol V DC Supply Voltage SUP V Channel Power Supply S T Operating Temperature Range OP T Maximum Junction Temperature J THERMAL DATA Symbol R Thermal Resistance Junction to Ambient th j-amb R Thermal Resistance Junction to ...

Page 4

TDA7473 SO28 PACKAGE MECHANICAL DATA DIM. MIN. TYP 0.1 b 0. 1.27 e3 16.51 F 7.4 L 0.4 S 4/5 mm MAX. MIN. 2.65 0.3 0.004 0.49 0.014 0.32 ...

Page 5

... STMicroelectronics. Specification mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics 1998 STMicroelectronics – ...

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