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BQ77908ADBT - Texas Instruments

Description: TEXAS INSTRUMENTS - BQ77908ADBT - BATTERY PROTECTOR, LI-ION/LIPOL, TSSOP38

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BQ77908ADBT - Texas Instruments - PCB symbol
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PCB Footprints
BQ77908ADBT - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DBT0038A
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3D Models
BQ77908ADBT - Texas Instruments - 3D model - Small Outline Packages - DBT0038A
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BQ77908ADBT Details

  • Manufacturer Part Number:

    BQ77908ADBT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    38

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    BATTERY PROTECTOR

  • Input Voltage-Max:

    50 V

  • JESD-30 Code:

    R-PDSO-G38

  • JESD-609 Code:

    e4

  • Length:

    9.7 mm

  • Moisture Sensitivity Level:

    2

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    38

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.2 mm

  • Supply Voltage-Max (Vsup):

    35 V

  • Supply Voltage-Min (Vsup):

    5.6 V

  • Supply Voltage-Nom (Vsup):

    28.8 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

BQ77908ADBT Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the analog and digital grounds separate and connect them at a single point. Use a decoupling capacitor (e.g., 10uF) close to the device's power pins.
  • Use a high-precision external resistor (e.g., 1% tolerance) for the battery voltage sense resistor (RSENSE). Ensure the sense lines are short and shielded to minimize noise. Calibrate the device using the internal calibration feature or an external calibration method.
  • Use the TI-provided software development kit (SDK) and the I2C interface to update firmware and configure the device. Follow the SDK's guidelines for secure firmware updates and ensure the device is properly authenticated.
  • Ensure the power supply is stable and within the recommended voltage range. Use a capacitor (e.g., 10uF) on the VCC pin to filter out noise. Implement a power-on reset circuit or use an external reset IC to ensure a clean power-on reset.
  • Use a thermal pad or a heat sink to dissipate heat. Ensure good airflow around the device. Follow the recommended PCB layout and thermal design guidelines to minimize thermal resistance.

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BQ77908ADBT Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like BQ779, or try a keyword search, such as Power Management Circuits

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 BQ77908ADBTR Texas Instruments

BATTERY PROTECTOR, Adjustable, 1 Channel, PDSO38