PCA9534ADWRManufacturer: TI Remote 8-Bit I2C and Low-Power I/O Expander with Interrupt Output and Configuration Registers 16-SOIC -40 to 85 | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| PCA9534ADWR | TI | 12 | In Stock |
Description and Introduction
Remote 8-Bit I2C and Low-Power I/O Expander with Interrupt Output and Configuration Registers 16-SOIC -40 to 85 The **PCA9534ADWR** from Texas Instruments is an advanced **I²C-bus controlled 8-bit I/O expander**, designed to enhance system flexibility by providing additional GPIO ports for microcontrollers and embedded systems. This CMOS-based device features **low power consumption** and operates over a **wide voltage range (2.3V to 5.5V)**, making it suitable for various applications, including industrial controls, consumer electronics, and IoT devices.  
Key features include **programmable input/output pins**, interrupt output for efficient event monitoring, and **internal pull-up resistors** to simplify circuit design. The PCA9534ADWR supports **hot insertion**, ensuring stable performance in dynamic environments. Its **I²C interface** allows seamless communication with host controllers, enabling easy expansion of I/O capabilities without additional complexity.   Housed in a **TSSOP-16 package**, the PCA9534ADWR offers a compact footprint for space-constrained designs. With robust ESD protection and a standby current of just **1 µA**, it ensures reliable operation while minimizing power consumption.   Engineers favor this component for its **versatility, ease of integration, and cost-effectiveness**, making it a practical choice for expanding digital I/O in modern electronic systems. Whether used in automation, smart devices, or peripheral interfacing, the PCA9534ADWR delivers consistent performance and design flexibility. |
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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-SOIC -40 to 85
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