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ISL94202IRTZ - Renesas Electronics

Description: The ISL94202 is a battery pack monitor IC that supports from three to eight series connected cells. It provides complete battery monitoring and pack control. The ISL94202 provides automatic shutdown and recovery from out-of-bounds conditions and automatically controls pack cell balancing. The ISL94202 is highly configurable as a stand-alone unit, but can be used with an optional external Microcontroller (MCU), which communicates to the ISL94202 through an I2C interface. The ISL94202 supersedes the ISL94203

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ISL94202IRTZ - Renesas Electronics - PCB symbol
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PCB Footprints
ISL94202IRTZ - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 48 Ld TQFN
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3D Models
ISL94202IRTZ - Renesas Electronics - 3D model - Quad Flat No-Lead - 48 Ld TQFN
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ISL94202IRTZ Details

  • Manufacturer Part Number:

    ISL94202IRTZ

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TQFN

  • Package Description:

    TQFN-48

  • Pin Count:

    48

  • Manufacturer Package Code:

    L48.6X6

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Date Of Intro:

    2018-07-18

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    6

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    BATTERY MONITOR

  • JESD-30 Code:

    S-PQCC-N48

  • JESD-609 Code:

    e3

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    48

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °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):

    36 V

  • Supply Voltage-Min (Vsup):

    4 V

  • Supply Voltage-Nom (Vsup):

    26.4 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    6 mm

ISL94202IRTZ Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the switching node (SW pin) away from sensitive analog circuits and use a shielded inductor to reduce EMI.
  • Use the recommended compensation network values in the datasheet as a starting point. Then, adjust the values based on the specific application's requirements and PCB layout. A good starting point is to set the compensation capacitor (CC) to 10nF and the compensation resistor (RC) to 1kΩ.
  • The maximum allowed input voltage ripple is 10% of the input voltage. To minimize it, use a high-quality input capacitor with low ESR, and consider adding a filter capacitor (e.g., 10uF) in parallel with the input capacitor.
  • Use a soft-start circuit to limit the inrush current during startup. During shutdown, ensure the input voltage decays slowly to prevent the device from operating in an undefined state. A simple RC circuit can be used to slow down the input voltage decay.
  • Use a thermal pad or a heat sink to dissipate heat. Ensure good airflow around the device, and consider using a thermal interface material (TIM) to improve heat transfer. Operate the device within its recommended temperature range (-40°C to 125°C) and consider derating the output current at high temperatures.

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ISL94202IRTZ Overview

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