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BQ24259RGET - Texas Instruments

Description: I2C Controlled 2A Single Cell USB NVDC-1 Charger with Adjustable Voltage USB OTG

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BQ24259RGET - Texas Instruments - PCB symbol
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PCB Footprints
BQ24259RGET - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RGE (S-PVQFN-N24)_2
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3D Models
BQ24259RGET - Texas Instruments - 3D model - Quad Flat No-Lead - RGE (S-PVQFN-N24)_2
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BQ24259RGET Details

  • Manufacturer Part Number:

    BQ24259RGET

  • 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

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    USB CHARGER

  • Input Voltage-Max:

    6.2 V

  • Input Voltage-Min:

    3.9 V

  • JESD-30 Code:

    S-XQCC-N24

  • JESD-609 Code:

    e4

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    2

  • 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:

    HQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Supply Current-Max (Isup):

    3 mA

  • Supply Voltage-Max (Vsup):

    6.2 V

  • Supply Voltage-Min (Vsup):

    3.9 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Temperature Grade:

    INDUSTRIAL

  • 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:

    4 mm

BQ24259RGET Frequently Asked Questions (FAQs)

  • A good PCB layout for the BQ24259RGET involves placing the input capacitors close to the VIN pin, using a solid ground plane, and keeping the high-current paths short and wide. A 4-layer PCB with a dedicated power plane is recommended.
  • The inductor value depends on the input voltage, output voltage, and maximum current. A good starting point is to use the inductor value recommended in the datasheet (e.g., 2.2uH). Then, adjust the value based on the specific application requirements and efficiency targets.
  • The BQ24259RGET is rated for operation from -40°C to 85°C. However, the device can be operated at higher temperatures with derating. Consult the datasheet for more information on thermal derating.
  • The BQ24259RGET has a built-in OVP feature that can be enabled by connecting the OVP pin to a voltage divider network. The OVP threshold is set by the voltage divider ratio. Consult the datasheet for more information on OVP implementation.
  • A low-ESR ceramic capacitor (e.g., X5R or X7R) with a value of 10uF to 22uF is recommended for the input capacitor. The capacitor should be rated for the maximum input voltage and have a low equivalent series resistance (ESR) to minimize losses.

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BQ24259RGET 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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