PCA9534APWG4Manufacturer: TI/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 |
|---|---|---|---|
| PCA9534APWG4 | TI/BB | 96 | 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 The **PCA9534APWG4** from Texas Instruments is a versatile 8-bit I/O expander designed to enhance system flexibility in microcontroller-based applications. Utilizing the I²C-bus interface, this low-voltage device enables efficient communication between a host controller and multiple peripheral devices while minimizing pin count.  
Featuring an operating voltage range of **1.65V to 5.5V**, the PCA9534APWG4 is compatible with a broad spectrum of logic levels, making it suitable for mixed-voltage environments. Each of its eight I/O pins can be independently configured as an input or output, providing adaptable control for LEDs, sensors, switches, and other digital components.   The device includes internal pull-up resistors, eliminating the need for external components in many applications. Additionally, its interrupt output pin signals the host upon input state changes, reducing the need for continuous polling and improving system efficiency.   Housed in a compact **TSSOP-16** package, the PCA9534APWG4 is ideal for space-constrained designs. With robust ESD protection and low standby current consumption, it ensures reliable performance in industrial, consumer, and embedded systems.   For engineers seeking a cost-effective, scalable I/O expansion solution, the PCA9534APWG4 offers a balance of simplicity and functionality. |
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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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