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TPS65251-1RHAR - Texas Instruments

Description: 4.5-V to 18-V input, 3A/2A/2A output, Synchronous triple buck converter

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TPS65251-1RHAR - Texas Instruments - PCB symbol
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PCB Footprints
TPS65251-1RHAR - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RHA0040E
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3D Models
TPS65251-1RHAR - Texas Instruments - 3D model - Quad Flat No-Lead - RHA0040E
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TPS65251-1RHAR Details

  • Manufacturer Part Number:

    TPS65251-1RHAR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    ALSO OPERATES IN PFM CONTROL TECHNIQUE; CUR LIM FOR BUCK 2 AND 3 IS 4.1 A; ADJ OUTPUT IS 0.8 TO 17V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    17 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N40

  • JESD-609 Code:

    e4

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Outputs:

    3

  • Number of Terminals:

    40

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3 A

  • Output Voltage-Max:

    17 V

  • Output Voltage-Min:

    0.8 V

  • 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:

    1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2200 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:

    6 mm

TPS65251-1RHAR Frequently Asked Questions (FAQs)

  • A good PCB layout for the TPS65251-1RHAR involves placing the input capacitors close to the VIN pin, using a solid ground plane, and keeping the high-current paths short and wide. It's also recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
  • The choice of input and output capacitors for the TPS65251-1RHAR depends on the specific application requirements. In general, X5R or X7R ceramic capacitors with a voltage rating of 10V or higher are recommended. The capacitance value should be at least 10uF for the input capacitor and 22uF for the output capacitor.
  • The TPS65251-1RHAR has an operating ambient temperature range of -40°C to 85°C. However, the device can be operated at temperatures above 85°C with derating, but the maximum junction temperature should not exceed 125°C.
  • The TPS65251-1RHAR has a built-in overcurrent protection feature that can be enabled by connecting a resistor between the OCSET pin and the GND pin. The value of the resistor determines the overcurrent threshold. A lower resistor value sets a higher overcurrent threshold, and vice versa.
  • Yes, the TPS65251-1RHAR is suitable for high-reliability applications. It is manufactured using a high-reliability process and has undergone rigorous testing to ensure its quality and reliability. However, it's essential to follow proper design and manufacturing practices to ensure the reliability of the overall system.

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TPS65251-1RHAR 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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TPS65251-1RHAR Alternates

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Part Image TPS65251-1RHAT Texas Instruments

Switching Regulator, Current-mode, 3A, 2200kHz Switching Freq-Max, PQCC40