Texas Instruments

TCA9509MRVHR  

Signal Buffers, Repeaters, Splitters

The TCA9509MRVHR is a low-power, I2C-based, 8-input multiplexer (MUX) from Texas Instruments. It is designed to be used in various applications where multiple analog or digital signals need to be routed to a single input channel. Here's a description of the model, its features, and potential applications:

Description:

The TCA9509MRVHR is a compact, low-power multiplexer that can be controlled via the I2C bus. It features 8 input channels that can be time-division multiplexed (TDM) onto a single output channel. This allows for efficient use of input channels, especially in applications where multiple sensors or devices need to share a single data acquisition channel.

Features:

1. I2C Interface: The device uses the I2C bus for communication, which is a two-wire interface that is commonly used in low-speed applications.
2. 8 Input Channels: The MUX can handle up to 8 input channels, which can be selected using the I2C bus.
3. Low Power Consumption: Designed for low-power applications, the TCA9509MRVHR is suitable for battery-powered devices.
4. Small Package: The device comes in a small package (VSSOP-16), making it suitable for space-constrained applications.
5. Wide Operating Voltage Range: It operates over a wide voltage range, making it versatile for different power supply requirements.
6. Selectable Channel: The channel selection is done through the I2C bus, allowing for easy and flexible control.
7. TDM Capability: Time-division multiplexing allows for efficient data transmission from multiple channels to a single data acquisition point.

Applications:

1. Sensor Hubs: In systems with multiple sensors (such as temperature, humidity, pressure, etc.), the TCA9509MRVHR can be used to route the sensor data to a single microcontroller input.
2. Data Acquisition Systems: For applications requiring the collection of data from various sources, the MUX can be used to consolidate inputs into a single stream.
3. Industrial Control Systems: In industrial settings, multiple control signals can be monitored through a single input channel using the TCA9509MRVHR.
4. Automotive Applications: The device can be used to manage multiple input signals in automotive systems, such as monitoring various vehicle parameters.
5. Smart Home Devices: In smart home applications, the MUX can help manage inputs from different sensors and switches to control home automation systems.
6. Medical Equipment: For medical devices that require monitoring of multiple physiological parameters, the TCA9509MRVHR can be used to reduce the number of input channels needed.

The TCA9509MRVHR is a versatile and efficient solution for managing multiple input channels in a variety of applications where space, power, and complexity need to be minimized.

TCA9509MRVHR Documents

Download datasheets and manufacturer documentation for TCA9509MRVHR

Datasheets :

TCA9509 Datasheet      

HTML Datasheet :

TCA9509 Datasheet      

PCN Design/Specification :

TCA9509 11/May/2021