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TDA5146T

Features: • Fullwave commutation (using push/pull drivers at the output stages) without position sensors• Builtin startup circuit• Three pushpull outputs: 2 A output current (Typical) Builtin current limiter• Thermal protection• Soft switching outputs• Flyback d...

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SeekIC No. : 004516428 Detail

TDA5146T: Features: • Fullwave commutation (using push/pull drivers at the output stages) without position sensors• Builtin startup circuit• Three pushpull outputs: 2 A output current (Typic...

TDA5146T Data Sheet

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Part Number:
TDA5146T
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• Fullwave commutation (using push/pull drivers at the output stages) without position sensors
• Builtin startup circuit
• Three pushpull outputs:
            2 A output current (Typical)
            Builtin current limiter
• Thermal protection
• Soft switching outputs
• Flyback diodes
• Tacho output sensor
• Brake function
• Direction control input
• Reset function
• FET driver stage to be used in a buck converter


Application

General purpose spindle driver (e.g., HDD, tape driver)


Pinout

Connection Diagram


Specifications

Symbol Parameter Min Max Unit
VP, Vsup Supply voltage 18 V
VI Input voltage; all pins except VMOT (VI <18 V) 0.3 VP+0.5 V
VVMOT VVMOT input voltage 0.5 17 V
VO Output voltage; PWM_OUT and PG/FG GND VP V
VO Output voltage MOT0, MOT1, MOT2 and MOT3 -1 VVMOT + VD V
VI Input voltage CAPST, CAPTI, CAPCD and CAPDC - 2.5 V
Tstg Storage temperature range 55 +150
Tamb Operating ambient temperature range 0 70
Ptot Total power dissipation - - -



Description

The TDA5146T is a bipolar integrated circuit used to drive brushless DC motors in fullwave mode. The TDA5146T senses the rotor position using an EMF sensing technique and is ideally suited as a drive circuit for a hard disk drive motor or tape drive.


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