TDA7272A Datasheet, PDF (1/16 Pages) STMicroelectronics – HIGH PERFORMANCE MOTOR SPEED REGULATOR

TDA7272A
HIGH PERFORMANCE MOTOR SPEED REGULATOR
TACHIMETRIC SPEED REGULATION WITH
NO NEED FOR AN EXTERNAL SPEED PICK-
UP
V/I SUPPLEMENTARY PREREGULATION
DIGITAL CONTROL OF DIRECTION AND
MOTOR STOP
SEPARATE SPEED ADJUSTMENT
5.5V TO 18V OPERATING SUPPLY VOLT-
AGE
1A PEAK OUTPUT CURRENT
OUTPUT CLAMP DIODES INCLUDED
SHORT CIRCUIT CURRENT PROTECTION
THERMAL SHUT DOWN WITH HYSTERESIS
DUMP PROTECTION (40V)
ESD PROTECTION
DESCRIPTION
TDA7272A are high performance motor speed
controller for small power DC motors as used in
cassette players.
BLOCK DIAGRAM
Powerdip(16+2+2)
ORDERING NUMBER: TDA7272A
Using the motor as a digital tachogenerator itself
the performance of true tacho controlled systems
is reached.
A dual loop control circuit provides long term sta-
bility and fast settling behaviour.
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
June 1992
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