PCA9534APWRManufacturer: BB Remote 8-Bit I2C and Low-Power I/O Expander with Interrupt Output and Configuration Registers 16-TSSOP -40 to 85 | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| PCA9534APWR | BB | 577 | In Stock |
Description and Introduction
Remote 8-Bit I2C and Low-Power I/O Expander with Interrupt Output and Configuration Registers 16-TSSOP -40 to 85 # Introduction to the PCA9534APWR  
The **PCA9534APWR** is an 8-bit I²C-bus and SMBus I/O expander designed to enhance system flexibility by providing additional GPIO (General-Purpose Input/Output) ports. This low-power CMOS device allows microcontrollers with limited I/O pins to expand their connectivity, supporting bidirectional data transfer over the I²C interface.   Featuring an operating voltage range of **2.3V to 5.5V**, the PCA9534APWR is suitable for a variety of applications, including industrial control, consumer electronics, and embedded systems. Its interrupt output pin can notify the host controller of input state changes, reducing the need for continuous polling and improving efficiency.   Key features include **programmable polarity inversion**, internal pull-up resistors, and latch-up performance exceeding **100mA per JESD78**. The device also supports hot insertion, making it ideal for dynamic system configurations.   Available in a compact **TSSOP-16 package**, the PCA9534APWR is a reliable solution for designers seeking to optimize space and power consumption while expanding I/O capabilities. Its compatibility with standard I²C protocols ensures seamless integration into existing designs.   With robust performance and versatile functionality, the PCA9534APWR is a practical choice for modern electronic systems requiring efficient I/O expansion. |
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Application Scenarios & Design Considerations
Remote 8-Bit I2C and Low-Power I/O Expander with Interrupt Output and Configuration Registers 16-TSSOP -40 to 85
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