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PCF8575PWR +BOM

16-bit 2.5- to 5.5-V I2C/SMBus I/O expander with interrupt

PCF8575PWR Information

Description

The Texas Instruments PCF8575PWR is a remote I/O expander designed for applications requiring additional input/output ports controlled by a microcontroller. It's an I2C/SMBus GPIO (General-Purpose Input/Output) expander that provides up to 8 bidirectional lines and can operate at 400 kHz. This device is useful in industrial automation, home automation, instrumentation, and automotive electronics applications. In simple terms, the PCF8575PWR allows a microcontroller to control and read multiple input/output pins remotely, without having to connect them directly to the microcontroller itself. This makes it a convenient component for expanding the I/O capabilities of a system or device.

Features

The PCF8575PWR features include:

  • I2C/SMBus interface
  • GPIO expander with 24 digital inputs/outputs
  • Operating frequency up to 400 kHz
  • Supply voltage range of 4.75V to 5.5V
  • Low power consumption
  • Compatible with microcontrollers and other devices

These features make the PCF8575PWR suitable for various applications such as industrial automation, home automation, instrumentation, and automotive electronics.

Package

The package type of PCF8575PWR is Small Outline Packages - PW0024A_1, which is a 24-pin TSSOP (Thin Shrink Small Outline Package).

Pinout

According to the product information, the PCF8575PWR has a 24-Pin TSSOP package. The description mentions it is an I2C/SMBus GPIO Expander, which suggests that the chip has many input/output (I/O) pins.

Manufacturer

The manufacturer of the PCF8575PWR is Texas Instruments (TI), a leading American technology company that designs, manufactures, and tests semiconductors and other electronic components. TI is a global semiconductor leader with a broad portfolio of innovative technologies and products. The company's products include analog and embedded processing chips, power management devices, and interface and connectivity solutions for the automotive, industrial, medical, consumer electronics, and aerospace industries.

Applications

The PCF8575PWR is a remote I/O expander commonly used in industrial automation, home automation, instrumentation, and automotive electronics applications. It provides additional input/output ports controlled by a microcontroller, making it suitable for various industries such as manufacturing, building control systems, and consumer devices.

Equivalent

Based on the product information, the PCF8575PWR is an I2C/SMBus GPIO Expander. Equivalent products from Texas Instruments include:

  • PCF8574
  • PCF8576
  • PCA85131
  • PCA85132

These products share similar features and applications as the PCF8575PWR, such as remote I/O expansion and industrial automation.

PCF8575PWR

Specifications

Number of I/Os 16 Features Interrupt pin
Supply voltage (min) (V) 2.5 Supply voltage (max) (V) 5.5
Addresses 8 Rating Catalog
Frequency (max) (MHz) 0.4 Operating temperature range (°C) -40 to 85
Package/Case TSSOP24

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Ratings and Reviews

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E
E**n 08/12/2024

Item received. Seems fine but I have not tested it.

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