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BQ7790518PWR - Texas Instruments

Description: Battery Management 3- to 5-series li-ion and li-phosphate ultra-low-power stackable battery protector 20-TSSOP -40 to 85

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BQ7790518PWR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW (R-PDSO-G20)
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BQ7790518PWR - Texas Instruments  - 3D model - Small Outline Packages - PW (R-PDSO-G20)
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BQ7790518PWR Details

  • Manufacturer Part Number:

    BQ7790518PWR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    2020-02-22

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    UV THRESHOLD VOLTAGE IS 2.75V

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    BATTERY MONITOR/PROTECTOR

  • Input Voltage-Max:

    25 V

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    6.5 mm

  • Moisture Sensitivity Level:

    2

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP20,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max (Isup):

    0.009 mA

  • Supply Voltage-Max (Vsup):

    25 V

  • Supply Voltage-Min (Vsup):

    3 V

  • Supply Voltage-Nom (Vsup):

    20 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Threshold Voltage-Nom:

    +4.25V

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

    30

  • Width:

    4.4 mm

BQ7790518PWR Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the application note SLUA751, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize noise.
  • The BQ7790518PWR is a flexible gas gauge that can be configured for various battery chemistries using the TI-provided software tools, such as the Battery Management Studio (BMS) or the Fuel Gauge Designer. These tools allow you to customize the gauge's settings, including the battery model, capacity, and voltage ranges, to match your specific battery chemistry.
  • The accuracy of the SOC measurement depends on various factors, including the battery type, age, and operating conditions. However, according to the datasheet, the BQ7790518PWR can provide an SOC accuracy of ±5% or better over the entire operating range, making it suitable for most battery-powered applications.
  • Yes, the BQ7790518PWR can be used with battery packs that have multiple cells in parallel. However, you will need to ensure that the total capacity of the parallel cells is within the gauge's supported range (up to 256Ah) and that the cells are properly balanced to avoid any safety issues.
  • The BQ7790518PWR has a built-in calibration and learning mechanism that allows it to adapt to the battery's characteristics over time. During the learning phase, the gauge monitors the battery's behavior and adjusts its internal models to improve the accuracy of the SOC and SOH (state-of-health) estimates.

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BQ7790518PWR 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 BQ7790518PW Texas Instruments

Adjustable, 1 Channel, +4.25V, PDSO20