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BQ771817DPJR - Texas Instruments

Description: Family 2-5S Overvoltage Protector with Internal Delay Timer

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PCB Footprints
BQ771817DPJR - Texas Instruments PCB footprint - Small Outline No-lead - Small Outline No-lead - DPJ0008A-2021
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3D Models
BQ771817DPJR - Texas Instruments  - 3D model - Small Outline No-lead - DPJ0008A-2021
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BQ771817DPJR Details

  • Manufacturer Part Number:

    BQ771817DPJR

  • 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:

    OVER VOLTAGE DETECTION VOLTAGE IS 4.275V

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    INPUT FAULT PROTECTION CONTROLLER

  • Input Voltage-Max:

    25 V

  • JESD-30 Code:

    R-PDSO-N8

  • JESD-609 Code:

    e4

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    5

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC8,.17,25

  • 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 Current-Max (Isup):

    0.002 mA

  • Supply Voltage-Max (Vsup):

    25 V

  • Supply Voltage-Min (Vsup):

    3 V

  • Supply Voltage-Nom (Vsup):

    18 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Threshold Voltage-Nom:

    +4.275V

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

    30

  • Width:

    3 mm

BQ771817DPJR Frequently Asked Questions (FAQs)

  • TI recommends a 2-layer or 4-layer PCB with a solid ground plane on the bottom layer to minimize thermal resistance. A thermal pad on the top layer can also be used to improve heat dissipation.
  • Use a high-precision voltage reference, such as the TI REF3020, and ensure that the ADC input pins are properly filtered and decoupled to minimize noise and voltage spikes.
  • Perform a full discharge cycle to learn the battery's capacity, then calibrate the fuel gauge using the TI-provided software tools, such as the BQstudio or the Fuel Gauge Calibration Tool.
  • Implement ODP and OCP using the BQ771817DPJR's built-in protection features, such as the under-voltage and over-voltage detection circuits, and configure the device to trigger interrupts or reset the system when protection thresholds are exceeded.
  • Choose components with low tolerance values (e.g., 1% resistors) and ensure that capacitors have a suitable voltage rating and ESR value. Refer to the TI application notes and design guides for specific component selection guidelines.

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BQ771817DPJR 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 BQ771817DPJT Texas Instruments

Fixed, 5 Channel, +4.275V, PDSO8