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ISL88731CHRTZ - Renesas Electronics

Description: The ISL88731C is a highly integrated Lithium-ion battery charger controller, programmable over the SMBus system management bus (SMBus). The ISL88731C 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 pr

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ISL88731CHRTZ - Renesas Electronics - PCB symbol
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PCB Footprints
ISL88731CHRTZ - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - L28.5x5B-1
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3D Models
ISL88731CHRTZ - Renesas Electronics - 3D model - Quad Flat No-Lead - L28.5x5B-1
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ISL88731CHRTZ Details

  • Manufacturer Part Number:

    ISL88731CHRTZ

  • 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

  • Factory Lead Time:

    4 Weeks

  • Date Of Intro:

    2017-10-24

  • 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:

    1

  • 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

ISL88731CHRTZ Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note AN1965, 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.
  • While the datasheet specifies the recommended input voltage range, it does not explicitly state the maximum allowed input voltage ripple. According to Renesas' application engineers, the maximum allowed input voltage ripple is typically around 10% of the nominal input voltage, but this can vary depending on the specific application and operating conditions.
  • While the ISL88731CHRTZ is rated for operation up to 125°C, it's essential to consider the derating curves provided in the datasheet to ensure reliable operation at high temperatures. Additionally, Renesas recommends consulting with their application engineers to discuss specific high-temperature application requirements.
  • Renesas provides a troubleshooting guide in their application note AN1964, which covers common issues and their solutions. Additionally, Renesas' application engineers can provide support and guidance for specific troubleshooting scenarios.

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ISL88731CHRTZ Overview

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