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BQ24620RVAR - Texas Instruments

Description: 28V synchronous switch-mode charge management IC for lithium phosphate batteries

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BQ24620RVAR - Texas Instruments - PCB symbol
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PCB Footprints
BQ24620RVAR - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RVA (S-PVQFN-N16)
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3D Models
BQ24620RVAR - Texas Instruments - 3D model - Quad Flat No-Lead - RVA (S-PVQFN-N16)
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BQ24620RVAR Details

  • Manufacturer Part Number:

    BQ24620RVAR

  • 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

BQ24620RVAR Frequently Asked Questions (FAQs)

  • A good PCB layout for the BQ24620RVAR involves placing the device close to the battery, using a solid ground plane, and keeping the high-current paths short and wide. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane for the battery voltage.
  • The sense resistor value depends on the maximum charge current and the desired accuracy. A good starting point is to use the formula Rsense = 0.05 ohms for a 1A charge current. Then, adjust the value based on the specific requirements of your application.
  • The EN (enable) pin is used to turn the charger on and off. When EN is high, the charger is enabled, and when EN is low, the charger is disabled. This pin can be connected to a GPIO pin of a microcontroller to control the charging process.
  • The BQ24620RVAR has a built-in thermistor input (TS pin) that can be connected to a thermistor to monitor the battery temperature. The device can then adjust the charge current based on the temperature reading to prevent overheating or overcooling.
  • The BQ24620RVAR is a high-power charger IC with a wide input voltage range and a high level of integration. It's similar to other TI charger ICs like the BQ24650, but with a higher charge current capability and additional features like battery temperature monitoring.

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BQ24620RVAR Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like BQ246, or try a keyword search, such as Power Management Circuits

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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BQ24620RVAR Alternates

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Part Image BQ24620RVAT Texas Instruments

Fixed, 1 Channel, +3.85V, PQCC16