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TCA9535PWR +BOM

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

TCA9535PWR Information

Description

The Texas Instruments TCA9535PWR is a 16-bit I2C/SMBus I/O expander with interrupt and configuration registers. It operates from 1.65V to 5.5V, making it suitable for industrial applications. The device features open-drain output with 25mA sink capability and supports up to 32 I2C devices. Its GPIOs are 5V tolerant, and it has programmable polarity inversion. The TCA9535PWR is ideal for controlling and monitoring peripherals like LED displays, switches, sensors, and relays in industrial control systems, consumer electronics, home automation, and automotive systems. It offers low power consumption of less than 10mA and an operating temperature range of -40°C to 125°C.

Package

The package type of TCA9535PWR is TSSOP-24.

Pinout

The TCA9535PWR has a pin count of 24 (TSSOP-24). The functions of each pin are:

  • VCC: Power supply
  • GND: Ground
  • SDA: I2C data line
  • SCL: I2C clock line
  • INT: Interrupt output
  • OE: Output enable
  • GPIO0-GPIO15: 16-bit general-purpose input/output pins

These pins provide the necessary connections for communication, power supply, and control of the device.

Manufacturer

The manufacturer of the TCA95PWR is Texas Instruments (TI), a US-based multinational semiconductor company that designs, manufactures, and sells semiconductors and other electronic components. TI is one of the largest and most successful semiconductor companies in the world, with a wide range of products used in many different industries, including consumer electronics, automotive, medical devices, and more.

Applications

The application areas of the TCA9535PWR are:

  • Industrial control systems
  • Consumer electronics
  • Home automation
  • Automotive systems
  • Control and monitoring peripherals like LED displays, switches, sensors, and relays with low power consumption.

Equivalent

The equivalent products of TCA9535PWR are:

  • PCA9555A
  • PCF8574
  • MAX7311
  • NXP PCA9548A

These devices are all I2C/SMBus-based, 16-bit I/O expanders with similar features and functionality to the TCA9535PWR.

Specifications

Category Integrated Circuits (ICs)InterfaceI/O Expanders Programmable Not Verified
Number of I/O 16 Interface I²C, SMBus
Interrupt Output Yes Features POR
Output Type Push-Pull Current - Output Source/Sink 10mA, 25mA
Clock Frequency 400 kHz Voltage - Supply 1.65V ~ 5.5V
Operating Temperature -40°C ~ 85°C Mounting Type Surface Mount
Base Product Number TCA9535 Package/Case TSSOP24

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Ratings and Reviews

More
M
M**h 08/06/2023

Best !!!Receive the goods as described I am very pleased with my purcase !!!!!

12
N
N**a 10/15/2021

VERY professional company ! You will enjoy working with them! Fast and smart !

11
E
E**a 05/10/2021

All okay. the board working track is tracked

4
S
S**l 10/30/2020

To kazan for 25 days. At what paid delivery ali seiv spike. Diodes called. Voltage drop within 310-350mv. and so will come down.

2

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