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PCA9554PWRG4 - Texas Instruments

Description: Interface - I/O Expanders Rem 8B I2C & SMBus I/O Expander

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PCA9554PWRG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW0016A
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PCA9554PWRG4 - Texas Instruments  - 3D model - Small Outline Packages - PW0016A
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PCA9554PWRG4 Details

  • Manufacturer Part Number:

    PCA9554PWRG4

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSSOP

  • Package Description:

    TSSOP-16

  • Pin Count:

    16

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Address Bus Width:

    8

  • Clock Frequency-Max:

    0.4 MHz

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of I/O Lines:

    8

  • Number of Ports:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP16,.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:

    0.175 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    2.3 V

  • Supply Voltage-Nom:

    2.5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • 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

PCA9554PWRG4 Frequently Asked Questions (FAQs)

  • According to the datasheet, each GPIO pin can source or sink up to 25mA. However, it's recommended to limit the current to 10mA per pin to ensure reliable operation and prevent overheating.
  • To enable I2C clock stretching, set the ST stretch bit in the Configuration register (address 0x06). This allows the PCA9554PWRG4 to stretch the I2C clock during data transfer, ensuring that the device can respond within the required time.
  • The internal pull-up resistors on the I2C bus pins (SCL and SDA) are used to ensure that the bus lines are pulled high when no device is actively driving them. This helps to prevent bus contention and ensures reliable communication.
  • Yes, the PCA9554PWRG4 can be used as a level translator between 3.3V and 5V systems. The device is designed to operate with a supply voltage range of 2.3V to 5.5V, making it suitable for use in mixed-voltage systems.
  • The PCA9554PWRG4 can be reset by asserting the RESET pin low for at least 1ms. This resets the device to its default state, clearing all registers and disabling the GPIO pins.

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PCA9554PWRG4 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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