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BQ25173DSGR - Texas Instruments

Description: Battery Management 800-mA linear charger for 1-cell to 4-cell supercapacitor

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PCB Footprints
BQ25173DSGR - Texas Instruments PCB footprint - Small Outline No-lead - Small Outline No-lead - DSG0008A  _ 2021
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3D Models
BQ25173DSGR - Texas Instruments  - 3D model - Small Outline No-lead - DSG0008A  _ 2021
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BQ25173DSGR Details

  • Manufacturer Part Number:

    BQ25173DSGR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • 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:

    18 V

  • Input Voltage-Min:

    3 V

  • JESD-30 Code:

    S-PDSO-N8

  • JESD-609 Code:

    e4

  • Length:

    2 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC8,.08,20

  • Package Shape:

    SQUARE

  • 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):

    18 V

  • Supply Voltage-Min (Vsup):

    3 V

  • Surface Mount:

    YES

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

  • Threshold Voltage-Nom:

    +0.135V

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

    30

  • Width:

    2 mm

BQ25173DSGR Frequently Asked Questions (FAQs)

  • TI recommends a compact layout with the IC placed close to the battery, and the input and output capacitors placed as close as possible to the IC. A 4-layer PCB is recommended to minimize noise and EMI.
  • To minimize IQ, ensure the EN pin is driven high or low, avoid floating the EN pin, and use a low-leakage input capacitor. Additionally, consider using a low-IQ LDO regulator for the VCC pin.
  • The maximum input voltage rating is 18V, but it's recommended to limit the input voltage to 12V to ensure reliable operation and minimize power dissipation.
  • Ensure good thermal conductivity between the IC and the PCB, use thermal vias, and consider adding a thermal pad or heat sink to the IC. Keep the IC away from heat sources and ensure good airflow.
  • A low-ESR ceramic capacitor (X5R or X7R) with a value between 4.7µF and 10µF is recommended. The capacitor should be placed as close as possible to the VIN pin.

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BQ25173DSGR 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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