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A3946KLPTR - Allegro Microsystems

Description: Allegro Microsystems A3946KLPTR Dual High and Low Side MOSFET Power Driver 16-Pin, TSSOP

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PCB Footprints
A3946KLPTR - Allegro Microsystems PCB footprint - Other - Other - 16-Pin TSSOP (Suffix LP) with Exposed Pad
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3D Models
A3946KLPTR - Allegro Microsystems  - 3D model - Other - 16-Pin TSSOP (Suffix LP) with Exposed Pad
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A3946KLPTR Details

  • Manufacturer Part Number:

    A3946KLPTR

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSSOP

  • Package Description:

    MO-153ABT, TSSOP-16

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Allegro MicroSystems LLC

  • YTEOL:

    0

  • Additional Feature:

    CAN BE USED FOR DC, DC BRUSHLESS, AND STEP MOTOR CONTROL

  • Analog IC - Other Type:

    HALF BRIDGE BRUSH DC MOTOR CONTROLLER

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e0

  • Length:

    5 mm

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    135 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    240

  • Qualification Status:

    Not Qualified

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max (Isup):

    6 mA

  • Supply Voltage-Max (Vsup):

    60 V

  • Supply Voltage-Min (Vsup):

    7 V

  • Supply Voltage-Nom (Vsup):

    7.75 V

  • Surface Mount:

    YES

  • Technology:

    BCDMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

A3946KLPTR Frequently Asked Questions (FAQs)

  • Allegro recommends a 2-layer or 4-layer PCB with a solid ground plane on the bottom layer to improve thermal performance. Additionally, keeping the device away from heat sources and using thermal vias can help reduce thermal resistance.
  • To ensure reliable operation in high-vibration environments, Allegro recommends using a robust PCB design, securing the device with a suitable mounting method, and using a conformal coating to protect the device from moisture and contaminants.
  • The maximum allowable voltage on the VCC pin during power-up is 16V. Exceeding this voltage can cause damage to the device.
  • To troubleshoot issues with the device not turning on, check the power supply voltage, ensure the enable pin is properly biased, and verify that the device is not in a fault state. Also, check for any damage to the device or PCB.
  • Allegro recommends a 10uF to 22uF ceramic capacitor with a voltage rating of 25V or higher for the VCC bypass capacitor. This helps to filter out noise and ensure stable operation.

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A3946KLPTR Overview

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Part Image A3946KLPTR-T Allegro MicroSystems LLC

HALF BRIDGE BRUSH DC MOTOR CONTROLLER, BCDMOS, PDSO16