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RT9471GQW(2) - RICHTEK

Description: Battery Management 3A Single Cell Switching Battery Charger

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RT9471GQW(2) - RICHTEK PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RT9471GQW(2)-
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3D Models
RT9471GQW(2) - RICHTEK  - 3D model - Quad Flat No-Lead - RT9471GQW(2)-
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RT9471GQW(2) Details

  • Manufacturer Part Number:

    RT9471GQW(2)

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    WQFN-24

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Richtek Technology Corp

  • YTEOL:

    7

  • Additional Feature:

    THERMAL SHUTDOWN:160C

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • JESD-30 Code:

    S-XQCC-N24

  • Length:

    4 mm

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC24,.16SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max (Isup):

    7 mA

  • Supply Voltage-Max (Vsup):

    13.5 V

  • Supply Voltage-Min (Vsup):

    3.9 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:

    4.7

  • Width:

    4 mm

RT9471GQW(2) 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, wide traces for the power lines.
  • Ensure that the output capacitor is properly sized and placed close to the IC. Also, add a 10nF capacitor between the FB pin and GND to improve stability.
  • The maximum input voltage is 28V, but it's recommended to keep it below 24V for optimal performance and reliability.
  • Yes, but ensure that the inductor value is within the recommended range (1.5uH to 3.3uH) and has a high saturation current rating. Also, use a shielded inductor to minimize EMI.
  • The output voltage can be adjusted by changing the resistor divider ratio between the FB pin and the output voltage. Use the formula in the datasheet to calculate the required resistor values.

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RT9471GQW(2) Overview

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