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BQ25071DQCT - Texas Instruments

Description: 1A, Single-Input, Single-Cell LiFePO4 Linear Battery Charger with 50mA LDO

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PCB Footprints
BQ25071DQCT - Texas Instruments PCB footprint - Small Outline No-lead - Small Outline No-lead - DQC001A
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BQ25071DQCT - Texas Instruments  - 3D model - Small Outline No-lead - DQC001A
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BQ25071DQCT Details

  • Manufacturer Part Number:

    BQ25071DQCT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    RECHARGE DETECTION THRESHOLD IS 3.3V

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • Input Voltage-Max:

    10.2 V

  • Input Voltage-Min:

    3.75 V

  • JESD-30 Code:

    R-PDSO-N10

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    2

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max (Vsup):

    10.2 V

  • Supply Voltage-Min (Vsup):

    3.75 V

  • Supply Voltage-Nom (Vsup):

    4.5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

  • Threshold Voltage-Nom:

    +3.5V

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

    30

  • Width:

    2 mm

BQ25071DQCT Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output capacitors close to the IC, and use short, wide traces for the power paths.
  • Use a thermal pad or a heat sink to dissipate heat. Ensure good airflow around the device, and avoid blocking the thermal pad. Monitor the junction temperature (TJ) and adjust the design accordingly.
  • A low-ESR ceramic capacitor (e.g., X5R or X7R) with a value of 10-22 μF is recommended. The capacitor should be placed close to the VIN pin and have a low inductance path to the IC.
  • Adjust the feedback resistors (RFBT and RFB) to set the output voltage. Use the formula: VOUT = 0.8V x (1 + RFBT/RFB). Ensure the resistors are 1% tolerance or better to maintain accuracy.
  • The BQ25071DQCT can handle input voltages up to 18V, but it's recommended to operate within 12V to ensure optimal performance and reliability.

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BQ25071DQCT 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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Part Image BQ25071DQCR Texas Instruments

Adjustable, 1 Channel, +3.5V, PDSO10