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BQ24171RGYR - Texas Instruments

Description: JEITA Compliant Stand-Alone Switch-Mode Li-Ion and Li-Polymer Battery Charger

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PCB Footprints
BQ24171RGYR - Texas Instruments PCB footprint - Other - Other - RGY (R-PVQFN-N24)
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3D Models
BQ24171RGYR - Texas Instruments  - 3D model - Other - RGY (R-PVQFN-N24)
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BQ24171RGYR Details

  • Manufacturer Part Number:

    BQ24171RGYR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Package Description:

    HQCCN,

  • Pin Count:

    24

  • Reach Compliance Code:

    Compliant

  • 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:

    INTEGRATED POWER MANAGEMENT UNIT

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    17 V

  • Input Voltage-Min:

    4.5 V

  • JESD-30 Code:

    R-PQCC-N24

  • JESD-609 Code:

    e4

  • Length:

    5.5 mm

  • Moisture Sensitivity Level:

    2

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    4 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HQCCN

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 mm

  • Supply Current-Max (Isup):

    5 mA

  • Supply Voltage-Max (Vsup):

    17 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1840 kHz

  • 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:

    +3.6V

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

    30

  • Width:

    3.5 mm

BQ24171RGYR Frequently Asked Questions (FAQs)

  • A good PCB layout for the BQ24171RGYR involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. TI provides a recommended layout in the datasheet and application notes.
  • The selection of input and output capacitors depends on the specific application requirements. Generally, X5R or X7R ceramic capacitors with a voltage rating of 10V or higher are recommended. The capacitance value should be at least 4.7uF for the input capacitor and 10uF for the output capacitor.
  • The BQ24171RGYR can handle input voltages up to 18V, but it's recommended to keep the input voltage below 15V to ensure reliable operation and to prevent overheating.
  • The output voltage of the BQ24171RGYR can be configured by adjusting the resistor divider network connected to the FB pin. The datasheet provides a formula to calculate the required resistor values for a specific output voltage.
  • The thermal derating curve for the BQ24171RGYR is provided in the datasheet. It shows the maximum allowed power dissipation at different ambient temperatures. Engineers should ensure that the device operates within the specified thermal limits to prevent overheating.

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BQ24171RGYR 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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