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ISL88731HRZ - Renesas Electronics

Description: The ISL88731 is a highly integrated Lithium-ion battery charger controller, programmable over the SMBus system management bus (SMBus). The ISL88731 is intended to be used in a smart battery charger (SBC) within a smart battery system (SBS) that throttles the charge power such that the current from the AC-adapter is automatically limited. High efficiency is achieved with a DC/DC synchronous-rectifier buck converter, equipped with diode emulation for enhanced light load efficiency and system bus boosting prev

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ISL88731HRZ - Renesas Electronics - PCB symbol
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PCB Footprints
ISL88731HRZ - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - L28 .5x5B
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3D Models
ISL88731HRZ - Renesas Electronics - 3D model - Quad Flat No-Lead - L28 .5x5B
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ISL88731HRZ Details

  • Manufacturer Part Number:

    ISL88731HRZ

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TQFN

  • Package Description:

    TQFN-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    L28.5X5B

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • JESD-30 Code:

    S-PQCC-N28

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    3

  • Number of Channels:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    100 °C

  • Operating Temperature-Min:

    -10 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max (Vsup):

    26 V

  • Supply Voltage-Min (Vsup):

    8 V

  • Supply Voltage-Nom (Vsup):

    18 V

  • Surface Mount:

    YES

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    5 mm

ISL88731HRZ Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note AN1995, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure optimal performance.
  • Renesas provides a compensation network design tool on their website, which can be used to generate a customized compensation network based on the specific application requirements. Additionally, the datasheet provides general guidelines for compensation network design.
  • The maximum allowed voltage on the EN pin is 6V, as specified in the datasheet. Exceeding this voltage may damage the device.
  • The ISL88731HRZ is rated for operation up to 125°C, but the device's performance and reliability may degrade at high temperatures. Renesas provides a thermal derating chart in the datasheet to help designers estimate the device's performance at elevated temperatures.
  • Renesas provides guidelines for EMC design in their application note AN1996, which includes recommendations for PCB layout, component selection, and shielding to minimize electromagnetic interference (EMI) and ensure compliance with regulatory standards.

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ISL88731HRZ Overview

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