PCA9554ADGVRManufacturer: TI Remote 8-Bit I2C and SMBus I/O Expander with Interrupt Output and Configuration Registers 16-TVSOP -40 to 85 | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| PCA9554ADGVR | TI | 25 | In Stock |
Description and Introduction
Remote 8-Bit I2C and SMBus I/O Expander with Interrupt Output and Configuration Registers 16-TVSOP -40 to 85 The **PCA9554ADGVR** from **Texas Instruments** is a versatile **I²C-bus controlled 8-bit I/O expander** designed to enhance system flexibility by providing additional GPIO (General-Purpose Input/Output) ports. This low-power CMOS device is ideal for applications requiring extra I/O expansion while maintaining minimal board space and power consumption.  
Featuring an **I²C interface**, the PCA9554ADGVR supports bidirectional data transfer, allowing seamless integration with microcontrollers and other I²C-compatible devices. Each of its **8 I/O pins** can be independently configured as an input or output, with internal pull-up resistors simplifying circuit design. The device operates within a **wide voltage range (2.3V to 5.5V)**, making it suitable for mixed-voltage systems.   Key applications include **industrial control, consumer electronics, and embedded systems** where additional I/O expansion is needed. Its **interrupt output** pin enhances efficiency by alerting the host controller of input state changes, reducing polling overhead.   Housed in a compact **TSSOP-16 package**, the PCA9554ADGVR combines performance with space efficiency, making it a reliable choice for modern electronic designs. With robust ESD protection and low standby current, it ensures durability and energy efficiency in diverse operating conditions.   For engineers seeking a cost-effective I/O expansion solution, the PCA9554ADGVR offers a balanced mix of functionality and ease of integration. |
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Application Scenarios & Design Considerations
Remote 8-Bit I2C and SMBus I/O Expander with Interrupt Output and Configuration Registers 16-TVSOP -40 to 85
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