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ISL9237HRZ - Renesas Electronics

Description: The ISL9237 is a buck-boost Narrow Output Voltage DC (NVDC) charger utilizing Intersil’s advanced R3™ Technology to provide high light-load efficiency, fast transient response and seamless DCM/CCM transitions for a variety of mobile and industrial applications. In Charge mode, the ISL9237 takes input power from a wide range of DC power sources (conventional AC/DC charger adapters, USB PD ports, travel adapters, etc. ) and safely charges battery packs with up to 3 cells in a series configuration. ISL9237 sup

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ISL9237HRZ - Renesas Electronics - PCB symbol
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PCB Footprints
ISL9237HRZ - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - L32.4x4A 32 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE
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3D Models
ISL9237HRZ - Renesas Electronics - 3D model - Quad Flat No-Lead - L32.4x4A 32 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE
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ISL9237HRZ Details

  • Manufacturer Part Number:

    ISL9237HRZ

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Package Description:

    QFN-32

  • Pin Count:

    32

  • Manufacturer Package Code:

    L32.4X4A

  • Country Of Origin:

    Malaysia, Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    8

  • Additional Feature:

    THERMAL SHUTDOWN:150C

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • JESD-30 Code:

    S-PQCC-N32

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    3

  • Number of Channels:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    100 °C

  • Operating Temperature-Min:

    -10 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC32,.16SQ,16

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Supply Voltage-Max (Vsup):

    23.4 V

  • Supply Voltage-Min (Vsup):

    3.2 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    QUAD

  • Threshold Voltage-Nom:

    8

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

    30

  • Width:

    4 mm

ISL9237HRZ Frequently Asked Questions (FAQs)

  • The recommended PCB layout for the ISL9237HRZ involves keeping the power traces short and wide, using a solid ground plane, and placing the input and output capacitors close to the IC. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane to minimize noise and EMI.
  • The selection of external components for the ISL9237HRZ depends on the specific application requirements, such as the input voltage, output voltage, and output current. Renesas provides a component selection guide in the datasheet, which can be used as a starting point. Additionally, online tools such as the Renesas PowerNavigator software can be used to simulate and optimize the component selection.
  • The ISL9237HRZ can operate in ambient temperatures up to 105°C, but the maximum junction temperature (TJ) should not exceed 125°C. It's recommended to use thermal management techniques, such as heat sinks or thermal pads, to keep the junction temperature within the specified range.
  • The ISL9237HRZ has a built-in overcurrent protection feature that can be enabled by connecting the OCP pin to a resistor and capacitor network. The OCP threshold can be set by selecting the appropriate resistor value. Additionally, the ISL9237HRZ also has a hiccup mode that can be enabled to limit the output current during an overcurrent event.
  • Yes, the ISL9237HRZ is a high-reliability device that is suitable for use in automotive and aerospace applications. It is AEC-Q100 qualified and meets the requirements of various industry standards, such as ISO 26262 and DO-254. However, it's recommended to consult with Renesas and perform additional testing and validation to ensure that the device meets the specific requirements of the application.

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ISL9237HRZ Overview

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