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PCA9539PWE4 - Texas Instruments

Description: Interface - I/O Expanders 16-Bit I2C & SMBus Lo-Pwr I/O Expander

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PCA9539PWE4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW0024A
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PCA9539PWE4 - Texas Instruments  - 3D model - Small Outline Packages - PW0024A
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PCA9539PWE4 Details

  • Manufacturer Part Number:

    PCA9539PWE4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSSOP

  • Package Description:

    TSSOP-24

  • Pin Count:

    24

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Address Bus Width:

    4

  • Clock Frequency-Max:

    0.4 MHz

  • JESD-30 Code:

    R-PDSO-G24

  • JESD-609 Code:

    e4

  • Length:

    7.8 mm

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    16

  • Number of I/O Lines:

    16

  • Number of Ports:

    2

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP24,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    0.2 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    2.3 V

  • Supply Voltage-Nom:

    3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

  • uPs/uCs/Peripheral ICs Type:

    PARALLEL IO PORT, GENERAL PURPOSE

PCA9539PWE4 Frequently Asked Questions (FAQs)

  • The PCA9539PWE4 can support I2C bus frequencies up to 400 kHz, but it is recommended to operate at 100 kHz or lower for reliable operation.
  • If the PCA9539PWE4 is not responding to I2C commands, try resetting the device by toggling the RESET pin low and then high. Also, check the I2C bus for any bus contention or noise issues.
  • No, the PCA9539PWE4 is not designed to drive inductive loads such as relays or solenoids. It is recommended to use an external driver or buffer to drive such loads.
  • The correct pull-up resistor value for the I2C bus depends on the bus capacitance, frequency, and voltage. A good starting point is to use a 2.2 kΩ pull-up resistor for a 100 kHz I2C bus, but you may need to adjust the value based on your specific application.
  • Yes, the PCA9539PWE4 can be used to read the state of an input pin. The device has an input port that can be read through the I2C interface.

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PCA9539PWE4 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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