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TDA5240T

Features: ·Full-wave commutation (using push/pull drivers at the output stages) without position sensors·Built-in start-up circuit·Optimum commutation independent on motor type or motor loading·Built-in flyback diodes·Three push-pull outputs: -0.85 A output current -built-in current limiter·Therma...

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SeekIC No. : 004516434 Detail

TDA5240T: Features: ·Full-wave commutation (using push/pull drivers at the output stages) without position sensors·Built-in start-up circuit·Optimum commutation independent on motor type or motor loading·Buil...

TDA5240T Data Sheet

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Part Number:
TDA5240T
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

·Full-wave commutation (using push/pull drivers at the output stages) without position sensors
·Built-in start-up circuit
·Optimum commutation independent on motor type or motor loading
·Built-in flyback diodes
·Three push-pull outputs:
       -0.85 A output current
       -built-in current limiter
·Thermal protection
·Soft slope outputs for low radiation.
·Low current consumption by adaptative base-drive
·Tacho output without extra sensor.
·Comparator for external position generator (PG) signal
·Built-in multiplexer combining internal FG and external PG signal on one pin for easy use with a controlling microprocessor
·Linear control of the output stages
·PG signal output.



Application

·General purpose spindle driver ( e.g. VCR scanner motor).


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER MIN. MAX. UNIT
Vp supply voltage - 18 V
VI input voltage; all pins except Vp (VI < 8 V) -0.3 Vp + 0.5 V
Vo output voltage; PGOUT and PG/FG GND Vp V
Vo output voltage; MOTO, MOT1, MOT2 and MOT3 -1 Vp+VD V
VI input voltage; CAP-ST, CAP- TI, CAP-CD and CAP-DC - 2.5 V
Ptot I total power dissipation - see power
derating
curve		 -
Tstg storage temperature range -55 +150
Tamb operating ambient temperature range -10 +70



Description

The TDA5240T is a bipolar integrated circuit used to drive brushless DC motors in full-wave mode. The device senses the rotor position using an EMF-sensing technique and is ideally suited as a drive circuit for VCR scanner motors.


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