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ISL81401AFRZ-T7A - Renesas Electronics

Description: The ISL81401 and ISL81401A are 4-switch synchronous buck-boost controller with peak and average current sensing and monitoring at both ends. The ISL81401 is a bidirectional device that can conduct current in both directions while the ISL81401A is an unidirectional device. The ISL81401 and ISL81401A use the proprietary buck-boost control algorithm with valley current modulation for Boost mode and peak current modulation for Buck mode control. The ISL81401 and ISL81401A have four independent control loops for

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ISL81401AFRZ-T7A - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 32 Ld 5x5 QFN_
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ISL81401AFRZ-T7A - Renesas Electronics  - 3D model - Quad Flat No-Lead - 32 Ld 5x5 QFN_
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ISL81401AFRZ-T7A Details

  • Manufacturer Part Number:

    ISL81401AFRZ-T7A

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    QFN

  • Package Description:

    HVQCCN, LCC32,.2SQ,20

  • Pin Count:

    32

  • Manufacturer Package Code:

    L32.5X5B

  • Reach Compliance Code:

    Compliant

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    2018-09-11

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    8 V

  • JESD-30 Code:

    S-PQCC-N32

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    40 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC32,.2SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1 mm

  • Supply Current-Max (Isup):

    6 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    650 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    5 mm

ISL81401AFRZ-T7A Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the analog and digital grounds separate and connect them at a single point. Use a common mode filter and a ferrite bead to reduce EMI.
  • Follow the power-up sequence outlined in the datasheet. Ensure the input voltage is within the recommended range, and the EN pin is properly configured. Use a 0.1uF capacitor on the VCC pin to filter out noise.
  • The maximum cable length supported is 100 meters, but this can vary depending on the specific application and cable quality. Use a high-quality cable with proper shielding to minimize signal degradation.
  • Use an oscilloscope to monitor the signal quality and voltage levels. Check the power supply and input signals for noise and distortion. Verify the PCB layout and component placement to ensure they meet the recommended guidelines.
  • The ISL81401AFRZ-T7A is rated for operation up to 85°C. However, the device's performance may degrade at higher temperatures. Ensure proper heat sinking and thermal management to maintain reliable operation.

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ISL81401AFRZ-T7A Overview

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