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A4407KLPTR-T - Allegro Microsystems

Description: Automotive Quad Output Regulator

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A4407KLPTR-T - Allegro Microsystems - PCB symbol
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PCB Footprints
A4407KLPTR-T - Allegro Microsystems PCB footprint - Other - Other - LP Package, 24-Pin TSSOP
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3D Models
A4407KLPTR-T - Allegro Microsystems - 3D model - Other - LP Package, 24-Pin TSSOP
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A4407KLPTR-T Details

  • Manufacturer Part Number:

    A4407KLPTR-T

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Allegro MicroSystems LLC

  • YTEOL:

    7.7

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    36 V

  • Input Voltage-Min:

    5.5 V

  • Input Voltage-Nom:

    13.5 V

  • JESD-30 Code:

    R-PDSO-G24

  • JESD-609 Code:

    e3

  • Length:

    7.8 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    135 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Equivalence Code:

    TSSOP24,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2200 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    40

  • Width:

    4.4 mm

A4407KLPTR-T Frequently Asked Questions (FAQs)

  • A good PCB layout for the A4407KLPTR-T involves keeping the sense lines short and away from noise sources, using a ground plane to reduce EMI, and placing the device close to the motor to minimize wiring length and noise pickup.
  • The sense resistor value depends on the motor current and the desired current sense accuracy. A good starting point is to choose a sense resistor value that results in a sense voltage of around 50-100 mV at the maximum expected motor current.
  • The maximum allowable voltage on the VCC pin is 5.5V. Exceeding this voltage may damage the device.
  • The A4407KLPTR-T has built-in thermal shutdown and overcurrent protection. In the event of an overcurrent or overtemperature condition, the device will shut down and restart when the condition is cleared. The designer should ensure that the system can safely handle these events and provide adequate cooling and current limiting.
  • A 10-100 nF ceramic capacitor is recommended for VCC bypassing to filter out noise and ensure stable operation.

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A4407KLPTR-T Overview

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