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UCD9244RGCR - Texas Instruments

Description: Power Management Specialized - PMIC Dig PWM Controller

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Symbol
UCD9244RGCR - Texas Instruments - PCB symbol
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PCB Footprints
UCD9244RGCR - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RGC0064B
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3D Models
UCD9244RGCR - Texas Instruments - 3D model - Quad Flat No-Lead - RGC0064B
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UCD9244RGCR Details

  • Manufacturer Part Number:

    UCD9244RGCR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Pin Count:

    64

  • Country Of Origin:

    Malaysia, Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    3.6 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    3.3 V

  • JESD-30 Code:

    S-PQCC-N64

  • JESD-609 Code:

    e4

  • Length:

    9 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Outputs:

    4

  • Number of Terminals:

    64

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC64,.35SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    2000 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    9 mm

UCD9244RGCR Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the UCD9244RGCR datasheet, but it's essential to follow additional guidelines for optimal thermal performance. Ensure a solid ground plane, use thermal vias, and keep the device away from heat sources. A 4-layer PCB with a dedicated power plane is recommended.
  • The UCD9244RGCR requires a specific power-up sequence to prevent damage or malfunction. Power up the VDD rail first, followed by the VCC rail, and then the VIN rail. Ensure that the power supplies are stable and within the recommended voltage ranges before applying them to the device.
  • The maximum allowed capacitance for the output filters depends on the specific application and the desired output impedance. As a general guideline, keep the output capacitance below 10uF to avoid stability issues. However, it's recommended to consult the Texas Instruments application notes and simulation tools for more accurate calculations.
  • The UCD9244RGCR uses a resistive divider network to set the output voltage. Calculate the required resistor values using the formula provided in the datasheet, and ensure that the resistors are of high precision (1% or better) to maintain accuracy.
  • Use a high-quality, low-ESR ceramic capacitor (X5R or X7R) with a value between 4.7uF and 10uF for the VIN pin. This helps to filter out noise and ensure stable operation. Avoid using electrolytic capacitors due to their higher ESR and potential for leakage.

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UCD9244RGCR Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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