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BQ24703PWR - Texas Instruments

Description: Battery Management Multi-Chemistry Charge Controller

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BQ24703PWR - Texas Instruments - PCB symbol
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BQ24703PWR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW0024A
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BQ24703PWR - Texas Instruments - 3D model - Small Outline Packages - PW0024A
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BQ24703PWR Details

  • Manufacturer Part Number:

    BQ24703PWR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    24

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • Input Voltage-Max:

    28 V

  • Input Voltage-Min:

    7 V

  • JESD-30 Code:

    R-PDSO-G24

  • JESD-609 Code:

    e4

  • Length:

    7.8 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP24,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max (Isup):

    6 mA

  • Supply Voltage-Max (Vsup):

    28 V

  • Supply Voltage-Min (Vsup):

    7 V

  • Supply Voltage-Nom (Vsup):

    18 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

BQ24703PWR 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 switching frequency. A good starting point is to use the inductor value recommended in the datasheet (e.g., 1.5 μH). Then, adjust the value based on the specific application requirements and efficiency targets.
  • The maximum ambient temperature for the BQ24703PWR is 85°C. However, the device can operate at higher temperatures with derating. Refer to the datasheet for thermal derating curves.
  • The BQ24703PWR has a built-in overcurrent protection feature. Connect a sense resistor (Rs) between the VIN pin and the GND pin. The device will detect overcurrent conditions based on the voltage drop across Rs and shut down if the current exceeds the programmed threshold.
  • Yes, the BQ24703PWR is designed to work with lithium-ion batteries. However, ensure that the battery's charging profile and protection requirements are met. The device can be configured to support various charging profiles, including constant current and constant voltage modes.

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BQ24703PWR 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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BQ24703PWR Alternates

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Part Image BQ24703PW Texas Instruments

Adjustable, 3 Channel, PDSO24
Part Image BQ24703PWG4 Texas Instruments

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