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BQ771800DPJT - Texas Instruments

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

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BQ771800DPJT - Texas Instruments - PCB symbol
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PCB Footprints
BQ771800DPJT - Texas Instruments PCB footprint - Small Outline No-lead - Small Outline No-lead - DPJ0008A
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BQ771800DPJT - Texas Instruments - 3D model - Small Outline No-lead - DPJ0008A
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BQ771800DPJT Details

  • Manufacturer Part Number:

    BQ771800DPJT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    WSON-8

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    Battery over-voltage protection(Min/Max)(V) : 3.85 and 4.65

  • Analog IC - Other Type:

    BATTERY PROTECTOR

  • Input Voltage-Max:

    25 V

  • JESD-30 Code:

    R-PDSO-N8

  • JESD-609 Code:

    e4

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    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,.16,25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max (Isup):

    0.002 mA

  • Supply Voltage-Max (Vsup):

    25 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au); Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Threshold Voltage-Nom:

    +4.3V

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

    30

  • Width:

    3 mm

BQ771800DPJT Frequently Asked Questions (FAQs)

  • TI recommends a 4-layer PCB with a solid ground plane, and a separate layer for the analog and digital signals. A good layout should also minimize the distance between the IC and the battery, and ensure that the sense resistors are close to the IC.
  • Calibration involves setting the gain and offset for the voltage and current measurements. TI provides a calibration procedure in the datasheet, which involves measuring the voltage and current at different points and adjusting the gain and offset accordingly.
  • The BQ771800DPJT can support up to 16 series-connected batteries. However, the maximum number of batteries depends on the specific application and the voltage rating of the batteries.
  • The BQ771800DPJT has built-in battery balancing capabilities, which can be configured in different modes, including passive balancing, active balancing, and cell voltage balancing. The specific balancing mode depends on the application requirements and the type of batteries used.
  • The BQ771800DPJT supports I2C and SPI communication protocols. The IC can be interfaced with a microcontroller or a host processor using these protocols, and TI provides example code and documentation to facilitate the interface.

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BQ771800DPJT 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 BQ771800DPJR Texas Instruments

BATTERY PROTECTOR, +4.3V, PDSO8