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BQ24745RHDRG4 - Texas Instruments

Description: IC SYNC SW-MODE BAT CHRGR 28VQFN

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PCB Footprints
BQ24745RHDRG4 - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RHD0028B
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3D Models
BQ24745RHDRG4 - Texas Instruments  - 3D model - Quad Flat No-Lead - RHD0028B
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BQ24745RHDRG4 Details

  • Manufacturer Part Number:

    BQ24745RHDRG4

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    QFN

  • Package Description:

    QFN-28

  • Pin Count:

    28

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    Thermal Shutdown:155C

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • 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

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC28,.2SQ,20

  • 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):

    7 V

  • Supply Voltage-Nom (Vsup):

    20 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Grade:

    OTHER

  • 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

BQ24745RHDRG4 Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow the guidelines in the application note 'BQ24745 PCB Layout Guidelines' (SLUAUH5) for optimal performance and thermal management.
  • The selection of the inductor depends on the specific application requirements, such as the input voltage, output voltage, and output current. Texas Instruments provides a inductor selection guide in the datasheet, but it's also recommended to use the WEBENCH Power Designer tool to find the optimal inductor for your design.
  • The maximum ambient temperature for the BQ24745RHDRG4 is 85°C, but it's recommended to derate the device's performance at higher temperatures to ensure reliable operation.
  • The BQ24745RHDRG4 has built-in OVP and UVP features, but they need to be configured and enabled through the device's registers. Refer to the datasheet and the application note 'BQ24745 Overvoltage and Undervoltage Protection' (SLUAUH6) for more information.
  • The recommended input capacitor type is a ceramic capacitor with a value of 10uF to 22uF, depending on the input voltage and output current requirements. Refer to the datasheet for more information on input capacitor selection.

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BQ24745RHDRG4 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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