Overview
The TCA1116RTWR, manufactured by Texas Instruments, is a low-voltage 16-bit I/O expander designed for the I2C and SMBus protocols. This integrated circuit (IC) is ideal for applications requiring remote I/O expansion, offering a compact and efficient solution for interfacing with microcontrollers. It operates within a voltage range of 1.65V to 5.5V, making it versatile for various low-power applications. The TCA1116RTWR is particularly suited for embedded systems, industrial automation, and consumer electronics, where its small form factor and robust performance provide significant advantages.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Operating Voltage | 1.65 - 5.5 | V | |
| I/O Count | 16 | Configurable as input or output | |
| Interface | I2C, SMBus | ||
| Clock Frequency | 400 | kHz | |
| Interrupt Output | Yes | Open-drain | |
| Operating Temperature | -40 to 85 | °C | |
| Package | QFN | Surface mount |
Key Features
- Low-voltage operation from 1.65V to 5.5V.
- 16 configurable I/O ports for flexible application design.
- Supports I2C and SMBus protocols for easy integration with microcontrollers.
- Open-drain interrupt output for efficient system communication.
- Compact QFN package suitable for space-constrained applications.
Applications
The TCA1116RTWR is widely used in various fields such as industrial automation, consumer electronics, and embedded systems. Its ability to expand I/O capabilities makes it ideal for applications requiring multiple input and output connections, such as control panels, sensor interfaces, and LED driving circuits. Its low power consumption and small form factor also make it suitable for portable and battery-operated devices.
Q & A
What is the operating voltage range of the TCA1116RTWR?
The TCA1116RTWR operates within a voltage range of 1.65V to 5.5V.
How many I/O ports does the TCA1116RTWR have?
It has 16 configurable I/O ports.
What communication protocols does it support?
It supports I2C and SMBus protocols.
Does it have an interrupt output?
Yes, it features an open-drain interrupt output.
What is the clock frequency of the TCA1116RTWR?
The clock frequency is 400 kHz.
What is the operating temperature range?
It operates from -40°C to 85°C.
What package does the TCA1116RTWR come in?
It comes in a QFN package.
Can the I/O ports be configured as both input and output?
Yes, the I/O ports are configurable as either input or output.
Is the TCA1116RTWR suitable for low-power applications?
Yes, its low-voltage operation makes it ideal for low-power applications.
What are typical applications for the TCA1116RTWR?
Typical applications include industrial automation, consumer electronics, and embedded systems.
