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BQ24751ARHDR - Texas Instruments

Description: Battery Management Multi-Cell Synch Sw- mode Charger

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Symbol
BQ24751ARHDR - Texas Instruments - PCB symbol
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PCB Footprints
BQ24751ARHDR - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RHD0028B
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3D Models
BQ24751ARHDR - Texas Instruments - 3D model - Quad Flat No-Lead - RHD0028B
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BQ24751ARHDR Details

  • Manufacturer Part Number:

    BQ24751ARHDR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Pin Count:

    28

  • 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:

    UNDER/OVERVOLTAGE SUPERVISOR

  • Input Voltage-Max:

    24 V

  • Input Voltage-Min:

    5 V

  • JESD-30 Code:

    S-PQCC-N28

  • JESD-609 Code:

    e4

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    2

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    125 °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

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 mm

  • Supply Voltage-Max (Vsup):

    24 V

  • Supply Voltage-Min (Vsup):

    5 V

  • Supply Voltage-Nom (Vsup):

    7 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • 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:

    5 mm

BQ24751ARHDR Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. The device should be placed near the battery, and the power inductors should be placed close to the device. A thermal pad should be used to connect the device to the PCB.
  • The inductor value depends on the input voltage, output voltage, and output current. A good starting point is to use the inductor value calculation formula provided in the datasheet. The inductor value should be selected to ensure that the inductor current ripple is within 20-40% of the output current.
  • The BQ24751ARHDR can operate in ambient temperatures up to 105°C. However, the device's junction temperature should not exceed 125°C. The device's thermal performance should be evaluated using thermal simulation tools or thermal testing.
  • The BQ24751ARHDR has a built-in overcurrent protection feature. The OCP threshold can be set using an external resistor connected to the OCP pin. The device will shut down if the output current exceeds the set threshold.
  • Yes, the BQ24751ARHDR has a low quiescent current of 15 μA in shutdown mode, making it suitable for battery-powered devices. The device also has a low-power mode that reduces the quiescent current to 5 μA.

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BQ24751ARHDR Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like BQ247, 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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