Texas Instruments 8-Channel I/O Expander TSSOP 16 Package Operating 1.65V to 5.5V TCA9554APWR

Texas Instruments TCA9554APWR 8-Channel I/O Expander is a high-quality semiconductor device engineered for expanding input/output capabilities via an I²C bus interface. Packaged in a compact TSSOP 16 form factor, it supports operational supply voltages from 1.65V to 5.5V, making it suitable for various electronic applications requiring flexible IO expansion.

This device offers 8 digital I/O ports that can be individually configured, facilitating the extension of microcontroller or microprocessor IO pins effectively. The operating clock frequency of up to 400kHz ensures fast communication over the I²C bus, enhancing system responsiveness.

The temperature operating range of -40°C to 85°C allows deployment in industrial and commercial environments requiring resilient electronic components. With 16 pins and a length of 5.1mm along with a height of 1.2mm, it provides space-efficient integration into PCB designs.

The TCA9554 series is recognized for its reliable performance in interface IC applications, although this specific packaging does not carry automotive certification and standards approvals. It is ideal for applications in industrial automation, embedded systems, and IoT devices that demand precise and flexible IO expansion.

This I/O expander provides 8 channels for input/output signal extension. It supports surface mount installation with a compact 16-pin TSSOP package. Operates within temperature range from -40°C to 85°C for robust performance.

Designed for I²C bus communication with a clock frequency up to 400kHz. Maximum supply voltage rating of 5.5V with a minimum supply of 1.65V. Pin count of 16 enables easy PCB integration for compact electronic designs. Length of 5.1mm and height of 1.2mm make it suitable for space-constrained applications.

Lacks automotive certification but belongs to the TCA9554 series from Texas Instruments known for quality.

This 8-channel I/O expander is vital for expanding control signals in industrial machines, consumer electronics, and embedded systems, enhancing the utility and flexibility of microcontrollers or digital systems. Its compact dimensions and low power operation make it suited for low-voltage electronics in manufacturing, automation, and electronics prototyping.

For further products from Texas Instruments and related I/O Expander ICs, browse the Electronics & Electricals category on EnvMart.