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BQ294522DRVT - Texas Instruments

Description: Overvoltage Protection Device for 2- to 3-Cell Li-Ion Batteries, with 4.45v OVP

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BQ294522DRVT - Texas Instruments - PCB symbol
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BQ294522DRVT - Texas Instruments PCB footprint - Small Outline No-lead - Small Outline No-lead - wson drv
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BQ294522DRVT - Texas Instruments - 3D model - Small Outline No-lead - wson drv
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BQ294522DRVT Details

  • Manufacturer Part Number:

    BQ294522DRVT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SON

  • Pin Count:

    6

  • 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) : 4.45 and 4.45

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    BATTERY PROTECTOR

  • Input Voltage-Max:

    25 V

  • JESD-30 Code:

    S-PDSO-N6

  • JESD-609 Code:

    e4

  • Length:

    2 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    6

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC6,.08,25

  • Package Shape:

    SQUARE

  • 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

  • Supply Voltage-Min (Vsup):

    3 V

  • Supply Voltage-Nom (Vsup):

    10.8 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

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

    30

  • Width:

    2 mm

BQ294522DRVT Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow the guidelines in the TI application note 'Battery Management System (BMS) PCB Layout Guidelines' (SLUA623) for optimal performance and to minimize noise and EMI.
  • Calibration of the BQ294522DRVT involves setting the gain and offset of the ADC to match the specific battery chemistry and configuration. TI provides a calibration procedure in the datasheet, and it's also recommended to use the TI-provided software tools, such as the BQstudio, to simplify the calibration process.
  • The BQ294522DRVT is designed to support up to 22 series-connected cells, but the actual number of cells that can be connected depends on the specific application and the voltage range of the cells. It's recommended to consult with TI support or a qualified engineer to determine the maximum number of cells that can be safely connected.
  • The BQ294522DRVT has built-in cell balancing functionality, which can be configured to balance the cells during charging or discharging. The device can also be configured to use external balancing resistors or FETs for more precise control. TI provides guidelines for cell balancing in the datasheet and application notes.
  • The BQ294522DRVT uses a proprietary communication protocol, but it's also compatible with standard interfaces such as I2C and SPI. TI provides a software development kit (SDK) and documentation to help developers implement communication with the device.

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BQ294522DRVT 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 BQ294522DRVR Texas Instruments

BATTERY PROTECTOR, Fixed, 1 Channel, PDSO6