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BQ24620RVAT - Texas Instruments

Description: 28V Synchronous Switch-Mode Charge Management IC for Lithium Phosphate Batteries

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BQ24620RVAT - Texas Instruments - PCB symbol
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PCB Footprints
BQ24620RVAT - Texas Instruments PCB footprint - Other - Other - QFN50P350X350X100-17N
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3D Models
BQ24620RVAT - Texas Instruments - 3D model - Other - QFN50P350X350X100-17N
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BQ24620RVAT Details

  • Manufacturer Part Number:

    BQ24620RVAT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • Input Voltage-Max:

    28 V

  • Input Voltage-Min:

    5 V

  • JESD-30 Code:

    S-PQCC-N16

  • JESD-609 Code:

    e4

  • Length:

    3.5 mm

  • Moisture Sensitivity Level:

    2

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC16,.14SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 mm

  • Supply Current-Max (Isup):

    5 mA

  • Supply Voltage-Max (Vsup):

    28 V

  • Supply Voltage-Min (Vsup):

    5 V

  • Supply Voltage-Nom (Vsup):

    20 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

  • Threshold Voltage-Nom:

    +3.85V

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

    30

  • Width:

    3.5 mm

BQ24620RVAT Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the high-current paths short and wide, and use thermal vias to dissipate heat. Refer to the TI application note 'BQ24620 PCB Layout Guidelines' for more details.
  • Choose an inductor with a high saturation current rating, low DC resistance, and a suitable inductance value (e.g., 1-10 μH). Consider the peak current, switching frequency, and output voltage when selecting the inductor. TI's 'Inductor Selection Guide' can help with the selection process.
  • Use a low-ESR ceramic capacitor (e.g., X5R or X7R) with a value between 4.7 μF and 10 μF. The capacitor should be rated for the input voltage and have a low impedance at the switching frequency.
  • The output voltage can be adjusted by changing the resistor divider network (RFBT and RFB) connected to the FB pin. Use the formula in the datasheet to calculate the required resistor values for the desired output voltage.
  • The EN (enable) pin is used to turn the converter on or off. Connect the EN pin to a logic signal (e.g., from a microcontroller) to enable or disable the converter. When EN is low, the converter is in shutdown mode, reducing the quiescent current.

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BQ24620RVAT 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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BQ24620RVAT Alternates

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Part Image BQ24620RVAR Texas Instruments

Fixed, 1 Channel, +3.85V, PQCC16