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ISL78229ARZ-T7A - Renesas Electronics

Description: The ISL78229 is an automotive grade (AEC-Q100 Grade 1), 2-phase 55V synchronous boost controller that simplifies the design of high power boost applications. It integrates strong half-bridge drivers, an analog/digital tracking input, comprehensive protection functions, and a PMBus interface for added control and telemetry. The ISL78229 enables a simple, modular design for systems requiring power and thermal scalability. It offers peak-current mode control for fast line response and simple compensation. Its

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ISL78229ARZ-T7A - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - L40.6x6C
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ISL78229ARZ-T7A - Renesas Electronics  - 3D model - Quad Flat No-Lead - L40.6x6C
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ISL78229ARZ-T7A Details

  • Manufacturer Part Number:

    ISL78229ARZ-T7A

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    WFQFN

  • Package Description:

    WFQFN-40

  • Pin Count:

    40

  • Manufacturer Package Code:

    L40.6X6C

  • Country Of Origin:

    Malaysia, Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    8

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    55 V

  • Input Voltage-Min:

    5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N40

  • JESD-609 Code:

    e4

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    40

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC40,.24SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Packing Method:

    TR, 7 INCH

  • Peak Reflow Temperature (Cel):

    260

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    0.9 mm

  • Supply Current-Max (Isup):

    10 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    1170 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    6 mm

ISL78229ARZ-T7A Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout in the ISL78229ARZ-T7A evaluation board user manual, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
  • To ensure reliable start-up and shutdown, it is recommended to follow the power-up and power-down sequencing guidelines provided in the datasheet, and to use a soft-start circuit to limit the inrush current during start-up.
  • The maximum allowed input voltage ripple for the ISL78229ARZ-T7A is 10% of the nominal input voltage, as specified in the datasheet. Exceeding this limit may affect the device's performance and reliability.
  • The ISL78229ARZ-T7A is rated for operation up to 125°C, but it is recommended to derate the output current and voltage according to the thermal derating curves provided in the datasheet to ensure reliable operation in high-temperature environments.
  • To troubleshoot OCP issues, check the input voltage, output current, and sense resistor values to ensure they are within the specified limits. Also, verify that the OCP threshold is set correctly and that the device is not operating in a fault condition.

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Part Image ISL78229ARZ Renesas Electronics Corporation

Switching Controller, Current Mode, 1170kHz Switching Freq-Max, PQCC40