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PCA9534RGVR from TI,Texas Instruments

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PCA9534RGVR

Manufacturer: TI

Remote 8-Bit I2C and Low-Power I/O Expander with Interrupt Output and Configuration Registers 16-VQFN -40 to 85

Partnumber Manufacturer Quantity Availability
PCA9534RGVR TI 395 In Stock

Description and Introduction

Remote 8-Bit I2C and Low-Power I/O Expander with Interrupt Output and Configuration Registers 16-VQFN -40 to 85 The **PCA9534RGVR** from Texas Instruments is an 8-bit I²C-bus and SMBus I/O expander designed to enhance system flexibility by providing additional GPIO ports for microcontrollers and processors. This low-voltage device operates within a 1.65V to 5.5V range, making it suitable for a variety of applications, including industrial controls, consumer electronics, and embedded systems.  

Featuring an interrupt output, the PCA9534RGVR can alert the host controller of input state changes, reducing the need for continuous polling. Its bidirectional I/O pins can be individually configured as inputs or outputs, offering versatility in system design. The device also includes internal pull-up resistors, simplifying circuit implementation.  

With a compact **TSSOP-16** package, the PCA9534RGVR is ideal for space-constrained designs. It supports standard (100 kHz) and fast (400 kHz) I²C communication modes, ensuring compatibility with a wide range of host controllers. Additionally, its low standby current consumption makes it suitable for power-sensitive applications.  

Engineers value the PCA9534RGVR for its ease of integration, robust performance, and reliable operation in diverse environments. Whether expanding I/O capabilities or simplifying system architecture, this component delivers efficient and scalable solutions for modern electronic designs.

Application Scenarios & Design Considerations

Remote 8-Bit I2C and Low-Power I/O Expander with Interrupt Output and Configuration Registers 16-VQFN -40 to 85
Partnumber Manufacturer Quantity Availability
PCA9534RGVR TI/PBF 1200 In Stock

Description and Introduction

Remote 8-Bit I2C and Low-Power I/O Expander with Interrupt Output and Configuration Registers 16-VQFN -40 to 85 The **PCA9534RGVR** from Texas Instruments is a versatile **8-bit I/O expander** designed to enhance system flexibility by providing additional general-purpose input/output (GPIO) pins. Operating over a **1.65V to 5.5V** supply range, it is compatible with a wide variety of microcontrollers and logic levels, making it suitable for diverse applications.  

This device communicates via the **I²C-bus/SMBus interface**, allowing seamless integration with host controllers while minimizing pin usage. Each of its eight I/O ports can be independently configured as an input or output, offering programmable polarity inversion for simplified signal conditioning.  

Key features include **low standby current consumption**, making it ideal for power-sensitive designs, and **interrupt output functionality** that alerts the host to input state changes, reducing the need for continuous polling. The PCA9534RGVR also supports **hot insertion**, ensuring reliable operation in dynamic environments.  

Housed in a compact **TSSOP-16 package**, this I/O expander is well-suited for space-constrained applications such as industrial control systems, consumer electronics, and embedded computing. With its robust performance and ease of use, the PCA9534RGVR provides an efficient solution for expanding digital I/O capabilities in modern electronic designs.

Application Scenarios & Design Considerations

Remote 8-Bit I2C and Low-Power I/O Expander with Interrupt Output and Configuration Registers 16-VQFN -40 to 85

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