PCA9534ARGVRManufacturer: 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 |
|---|---|---|---|
| PCA9534ARGVR | TI | 5 | 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 **PCA9534ARGVR** from Texas Instruments is an 8-bit I²C-bus and SMBus I/O expander designed to enhance system flexibility by providing additional GPIO ports. This low-power CMOS device simplifies interfacing with microcontrollers, enabling efficient control of multiple peripherals while conserving I/O resources.  
Featuring interrupt output functionality, the PCA9534ARGVR alerts the host controller of input state changes, reducing the need for continuous polling. It operates across a wide voltage range (2.3V to 5.5V), making it compatible with various logic levels. The device supports both input and output configurations, with internal pull-up resistors ensuring stable operation in open-drain applications.   With an I²C interface, the PCA9534ARGVR allows for easy daisy-chaining of multiple devices, minimizing wiring complexity. Its small **VQFN-16** package is ideal for space-constrained designs, while industrial temperature range support ensures reliability in harsh environments.   Common applications include industrial automation, consumer electronics, and embedded systems where scalable I/O expansion is required. The PCA9534ARGVR combines versatility, low power consumption, and robust performance, making it a practical choice for modern digital designs. |
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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-VQFN -40 to 85
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