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UDQ2559LBTR-T - Allegro Microsystems

Description: IC POWER DRVR PROT QUAD 16SOIC

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UDQ2559LBTR-T - Allegro Microsystems - PCB symbol
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PCB Footprints
UDQ2559LBTR-T - Allegro Microsystems PCB footprint - Small Outline Packages - Small Outline Packages - LB Package, 16-pin SOICW-1
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UDQ2559LBTR-T - Allegro Microsystems - 3D model - Small Outline Packages - LB Package, 16-pin SOICW-1
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UDQ2559LBTR-T Details

  • Manufacturer Part Number:

    UDQ2559LBTR-T

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    LEAD FREE, MS-013AA, SOIC-16

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Allegro MicroSystems LLC

  • YTEOL:

    0

  • Built-in Protections:

    TRANSIENT; OVER CURRENT; THERMAL

  • Driver Number of Bits:

    4

  • Interface IC Type:

    AND GATE BASED PERIPHERAL DRIVER

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e3

  • Length:

    10.3 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current Flow Direction:

    SINK

  • Output Current-Max:

    0.4 A

  • Output Peak Current Limit-Nom:

    1 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Supply Voltage-Max:

    5.25 V

  • Supply Voltage-Min:

    4.75 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    40

  • Turn-on Time:

    20 µs

  • Width:

    7.5 mm

UDQ2559LBTR-T Frequently Asked Questions (FAQs)

  • A good PCB layout for the UDQ2559LBTR-T involves keeping the device as close to the motor as possible, using a solid ground plane, and minimizing the length of the motor leads. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
  • 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 voltage drop of around 50-100 mV at the maximum motor current. The datasheet provides a formula to calculate the sense resistor value based on the motor current and desired accuracy.
  • The UDQ2559LBTR-T is rated for operation in an ambient temperature range of -40°C to 125°C. However, the device can be derated for operation at higher temperatures, and the maximum junction temperature is 150°C.
  • The UDQ2559LBTR-T has built-in overvoltage protection (OVP) and undervoltage protection (UVP) circuits. However, it's still recommended to add external protection components, such as a TVS diode or a voltage regulator, to protect the device from voltage transients and spikes.
  • A decoupling capacitor value of 10-22 μF is recommended for the UDQ2559LBTR-T. The capacitor should be placed as close to the device as possible and should have a low ESR to minimize voltage ripple.

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UDQ2559LBTR-T Overview

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