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ISL91127IIAZ-T - Renesas Electronics

Description: The ISL91127 and ISL91127IR are high-current buck-boost switching regulators for systems using new battery chemistries. They use Renesas' proprietary buck-boost algorithm to maintain voltage regulation while providing excellent efficiency and very low output voltage ripple when the input voltage is close to the output voltage.They are capable of delivering at least 2A continuous output current (VOUT = 3.3V) over a battery voltage range of 2.5V to 4.35V. This maximizes the energy utilization of advanced sing

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ISL91127IIAZ-T - Renesas Electronics - PCB symbol
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PCB Footprints
ISL91127IIAZ-T - Renesas Electronics PCB footprint - BGA - BGA - W4x5.20M
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ISL91127IIAZ-T - Renesas Electronics - 3D model - BGA - W4x5.20M
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ISL91127IIAZ-T Details

  • Manufacturer Part Number:

    ISL91127IIAZ-T

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    WLCSP-TKCURDL

  • Package Description:

    WLCSP-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    W4X5.20M

  • Country Of Origin:

    Malaysia, Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    7

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    1.8 V

  • Input Voltage-Nom:

    3.6 V

  • JESD-30 Code:

    R-PBGA-B20

  • JESD-609 Code:

    e1

  • Length:

    2.15 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    2 A

  • Output Voltage-Max:

    5.2 V

  • Output Voltage-Min:

    1 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    VFBGA

  • Package Equivalence Code:

    BGA20,4X5,16

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Packing Method:

    TR

  • Seated Height-Max:

    0.55 mm

  • Supply Current-Max (Isup):

    0.055 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    2900 kHz

  • Terminal Finish:

    Tin/Silver/Copper (Sn/Ag/Cu)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.16 mm

  • Terminal Position:

    BOTTOM

  • Width:

    1.74 mm

ISL91127IIAZ-T Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in the ISL91127IIAZ-T evaluation board user manual, which includes guidelines for component placement, thermal management, and routing to minimize noise and ensure optimal performance.
  • The ISL91127IIAZ-T datasheet provides a list of recommended external components, including capacitors, resistors, and inductors. Additionally, Renesas offers a component selection guide and a power management design tool to help engineers select the right components for their specific application.
  • The ISL91127IIAZ-T is rated for operation from -40°C to +125°C, but the maximum ambient temperature range depends on the specific application and the thermal management design. Engineers should consult the datasheet and the thermal management guidelines to ensure the device operates within a safe temperature range.
  • Renesas provides a troubleshooting guide in the ISL91127IIAZ-T datasheet and application notes, which include common fault scenarios, diagnostic techniques, and recommended solutions. Engineers can also consult the Renesas support website for additional resources and FAQs.
  • The ISL91127IIAZ-T is designed to support a wide range of battery chemistries and charging profiles, but engineers should consult the datasheet and application notes to ensure compatibility with their specific battery and charging requirements. Renesas also offers a battery charger design tool to help engineers optimize their charging profile.

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ISL91127IIAZ-T Overview

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