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TCA9535RTWR +BOM

16-bit 1.65- to 5.5-V I2C/SMBus I/O expander with interrupt & config registers

TCA9535RTWR Information

Description

The Texas Instruments TCA9535RTWR is a 16-bit I2C/SMBus I/O expander with interrupt and configuration registers. It's designed for industrial automation, home automation, and microcontroller-based systems that require additional I/O expansion and signal interfacing. This device provides remote input/output control and signal interfacing capabilities, making it suitable for various applications such as automotive electronics, consumer electronic devices, and more. With its low standby current consumption, 5V tolerant I/Os, and programmable I2C address, the TCA9535RTWR offers flexible and scalable solutions for industrial automation applications.

Features

The TCA9535RTWR features:

  • 16-bit I2C/SMBus I/O expander
  • Low standby current consumption
  • 5V tolerant I/Os
  • Programmable I2C address
  • Output polarity inversion
  • Input and output port can be configured with internal pull-up resistors

These features make it suitable for various automation systems, industrial control, home automation applications, microcontroller-based systems, and more.

Package

The package type of TCA9535RTWR is WQFN-24-EP(4x4).

Pinout

According to the product information, the package type is WQFN-24-EP(4x4), which indicates a 24-pin package.

The pinout function is not explicitly listed in the provided information. However, based on the typical pinout of similar I2C/SMBus I/O expanders from TI, we can infer that the TCA9535RTWR likely has pins for:

  • VCC and GND (power supply)
  • SDA and SCL (I2C/SMBus clock and data lines)
  • Interrupt output
  • Configuration registers
  • Input/output ports with pull-up resistors

Please note that this is an educated guess based on similar products from TI, but the exact pinout function may vary.

Manufacturer

The manufacturer of the TCA9535RTWR is Texas Instruments (TI), a well-known American technology company that specializes in semiconductor solutions, including analog and embedded processing technologies.

Applications

The application areas of TCA9535RTWR include various automation systems, industrial control and home automation applications, microcontroller-based systems requiring I/O expansion and signal interfacing, remote input/output control and signal interfacing capabilities, automotive electronics, consumer electronic devices, and flexible solutions for industrial automation applications.

Equivalent

Based on the information provided, the equivalent products of TCA9535RTWR are:

  • NXP PCA9555A
  • STMicroelectronics PCA9555A
  • Microchip MCP23017

These products are all 16-bit I2C/SMBus I/O expanders with similar features and applications as the TCA9535RTWR.

Specifications

Number of I/Os 16 Features Configuration registers, Interrupt pin
Supply voltage (min) (V) 1.65 Supply voltage (max) (V) 5.5
Addresses 8 Rating Catalog
Frequency (max) (MHz) 0.4 Operating temperature range (°C) -40 to 85
Package/Case WQFN-24

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