PCA9534PWRManufacturer: TI 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 |
|---|---|---|---|
| PCA9534PWR | TI | 2103 | 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 PCA9534PWR from Texas Instruments**  
The PCA9534PWR is a versatile, low-power 8-bit I²C-bus and SMBus I/O expander designed to enhance system flexibility in embedded applications. This CMOS-based device provides general-purpose remote I/O expansion, enabling efficient control of multiple peripherals while minimizing microcontroller pin usage.   Featuring an I²C interface, the PCA9534PWR supports standard (100 kHz) and fast (400 kHz) communication modes, ensuring compatibility with a wide range of host controllers. Each of its eight I/O pins can be independently configured as an input or output, with internal pull-up resistors simplifying circuit design. The device also includes interrupt functionality, alerting the host controller of input state changes without continuous polling.   With an operating voltage range of 2.3V to 5.5V, the PCA9534PWR is suitable for mixed-voltage systems. Its low standby current consumption makes it ideal for power-sensitive applications. Packaged in a TSSOP-16 form factor, it offers a compact solution for space-constrained designs.   Common applications include industrial controls, consumer electronics, and embedded systems where additional I/O expansion is required. The PCA9534PWR combines reliability, ease of integration, and performance, making it a practical choice for modern electronic 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-TSSOP -40 to 85
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