TCA9537DGSR - Texas Instruments

Manufacturer Part Number

TCA9537DGSR

Manufacturer

Texas Instruments

Introduction

The TCA9537DGSR is a low-voltage 4-bit I2C and SMBus low power I/O expander with interrupt output and configuration registers in Texas Instruments' portfolio.

Product Features and Performance

Interface type I2C

4 I/O pins

Interrupt output capability

Power-on reset (POR)

Output type is open drain

Supports clock frequency of 1 MHz

Product Advantages

Low power consumption

Flexible voltage supply range from 1.65V to 5.5V

Capable of operating in a wide temperature range of -40°C to 125°C

Key Technical Parameters

Number of I/O: 4

Clock Frequency: 1 MHz

Voltage Supply: 1.65V ~ 5.5V

Current Output Source/Sink: 10mA, 25mA

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Incorporates power-on reset feature to avoid unexpected outputs during power up

Compatibility

Compatible with I2C and SMBus protocols

Application Areas

Designed for expanding I/O in microcontroller-based systems across sectors like consumer electronics, automotive, and industrial applications

Product Lifecycle

Product status: Active

Not nearing discontinuation and has support in terms of replacements and upgrades

Several Key Reasons to Choose This Product

Low power requirements suited for battery-powered devices

Versatile power supply compatibility (1.65V to 5.5V)

High temperature resilience making it suitable for harsh environments

Availability of interrupt output to handle asynchronous changes in input

Compact surface mount package (10-VSSOP) optimizes board space