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BQ771808DPJR - Texas Instruments

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

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BQ771808DPJR - Texas Instruments - PCB symbol
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PCB Footprints
BQ771808DPJR - Texas Instruments PCB footprint - Small Outline No-lead - Small Outline No-lead - DPJ0008A
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BQ771808DPJR - Texas Instruments - 3D model - Small Outline No-lead - DPJ0008A
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BQ771808DPJR Details

  • Manufacturer Part Number:

    BQ771808DPJR

  • 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

  • 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

  • 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 Current-Max (Isup):

    0.002 mA

  • Supply Voltage-Max (Vsup):

    25 V

  • Surface Mount:

    YES

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Threshold Voltage-Nom:

    +4.2V

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

    30

  • Width:

    3 mm

BQ771808DPJR 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.
  • The BQ771808DPJR is designed to work with various battery chemistries. To configure it for a specific chemistry, you need to set the correct voltage and current limits, charge/discharge termination voltages, and charge/discharge rates using the device's registers. Refer to the datasheet and application notes for specific guidance.
  • The internal voltage regulator in the BQ771808DPJR generates a stable 3.3V supply voltage for the internal circuitry, allowing the device to operate from a wide input voltage range. This regulator also helps to reduce power consumption and noise.
  • The BQ771808DPJR has a built-in overcharge protection feature that prevents the battery from being overcharged. When the battery voltage reaches the overcharge threshold, the device will interrupt the charging process to prevent damage to the battery.
  • Yes, the BQ771808DPJR can be used with multiple battery cells. The device supports up to 8 series-connected cells, and it can monitor and balance each cell individually to ensure safe and efficient charging and discharging.

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BQ771808DPJR 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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