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BQ24278RGET - Texas Instruments

Description: IC BATT CHARGER LI-ION 24VQFN

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BQ24278RGET - Texas Instruments - PCB symbol
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PCB Footprints
BQ24278RGET - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RGE0024H-1
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3D Models
BQ24278RGET - Texas Instruments - 3D model - Quad Flat No-Lead - RGE0024H-1
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BQ24278RGET Details

  • Manufacturer Part Number:

    BQ24278RGET

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    VQFN-24

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    ALSO OPERATES FROM 4.2 TO 18 VOLT

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • Input Voltage-Max:

    10 V

  • Input Voltage-Min:

    4.2 V

  • JESD-30 Code:

    S-PQCC-N24

  • JESD-609 Code:

    e4

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Supply Voltage-Max (Vsup):

    10 V

  • Supply Voltage-Min (Vsup):

    4.2 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

BQ24278RGET 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 paths. Refer to the TI application note 'BQ24278RGET PCB Layout Guidelines' for more details.
  • Choose X5R or X7R ceramic capacitors with a voltage rating of at least 1.5 times the maximum input voltage. For the input capacitor, a 10uF to 22uF capacitor is recommended. For the output capacitor, a 10uF to 47uF capacitor is recommended. Ensure the capacitors meet the ripple current and ESR requirements specified in the datasheet.
  • The BQ24278RGET is rated for operation from -40°C to 85°C. However, the device can be operated up to 105°C with derating. Refer to the datasheet for thermal derating curves.
  • The output voltage is set using the FB pin and an external resistor divider network. The resistor values can be calculated using the formulae provided in the datasheet. For example, for a 5V output, R1 = 10kΩ and R2 = 2.2kΩ can be used.
  • The EN pin is an active-high enable input that allows the device to be turned on and off. Connect the EN pin to a logic high (e.g., VCC) to enable the device, and connect it to a logic low (e.g., GND) to disable the device. Use a pull-down resistor to ensure the device is disabled during power-up.

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BQ24278RGET 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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