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PCA9539PWRG4 - Texas Instruments

Description: Interface - I/O Expanders Rem 16B I2C & SMBus Low-Pwr I/O Exp

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PCA9539PWRG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW0024A
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PCA9539PWRG4 - Texas Instruments  - 3D model - Small Outline Packages - PW0024A
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PCA9539PWRG4 Details

  • Manufacturer Part Number:

    PCA9539PWRG4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    24

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • 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

PCA9539PWRG4 Frequently Asked Questions (FAQs)

  • According to the datasheet, each GPIO pin can source or sink up to 25 mA. However, it's recommended to limit the current to 10 mA per pin to ensure reliable operation and prevent overheating.
  • To enable I2C clock stretching, you need to set the ST stretch bit in the Configuration Register (address 0x03). This allows the PCA9539PWRG4 to stretch the I2C clock during data transfer, ensuring that the device can respond within the required time.
  • The internal 100nF capacitor on the VCC pin is used to decouple the power supply and reduce noise. It's recommended to add an external decoupling capacitor of at least 1uF in parallel with the internal capacitor to ensure reliable operation.
  • Yes, the PCA9539PWRG4 can be used as a level translator between 3.3V and 5V systems. The device is designed to operate with a VCC supply voltage range of 2.3V to 5.5V, making it suitable for level translation applications.
  • To reset the PCA9539PWRG4 to its default state, you can perform a power-on reset (POR) by cycling the VCC power supply or by asserting the RESET pin low for at least 1ms. This will reset all registers to their default values.

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PCA9539PWRG4 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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