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RT9503AGQW - RICHTEK

Description: IC BATT CHG LI-ION 1CELL 16WQFN

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Symbol
RT9503AGQW - RICHTEK - PCB symbol
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PCB Footprints
RT9503AGQW - RICHTEK PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - W-Type 16L QFN 3x3 _2021
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3D Models
RT9503AGQW - RICHTEK - 3D model - Quad Flat No-Lead - W-Type 16L QFN 3x3 _2021
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RT9503AGQW Details

  • Manufacturer Part Number:

    RT9503AGQW

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    End Of Life

  • Part Package Code:

    WQFN-16

  • Package Description:

    WQFN-16

  • Manufacturer Package Code:

    16WQFN

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Richtek Technology Corp

  • YTEOL:

    0

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • JESD-30 Code:

    S-XQCC-N16

  • Length:

    3 mm

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -20 °C

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC16,.12SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max (Vsup):

    12 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Threshold Voltage-Nom:

    +3V

  • Width:

    3 mm

RT9503AGQW Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output capacitors close to the IC, and use short and wide traces for the power lines.
  • Monitor the input voltage, output current, and junction temperature to ensure they are within the specified limits. Use thermal design and layout techniques to minimize thermal resistance and ensure adequate heat dissipation.
  • A low-ESR ceramic capacitor with a value of 10uF to 22uF is recommended. The capacitor should be placed close to the VIN pin and have a low impedance path to the IC.
  • Check the PCB layout for any signs of resonance or noise coupling. Ensure that the input and output capacitors are properly decoupled, and the feedback network is properly compensated. Use an oscilloscope to measure the output voltage and current waveforms.
  • The maximum allowed voltage drop across the internal FET is 1.5V. Exceeding this limit may cause the IC to overheat or malfunction.

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RT9503AGQW Overview

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