PCA9502BSManufacturer: NXP 8-bit I/O expander with I2C-bus/SPI interface | |||
Partnumber | Manufacturer | Quantity | Availability |
---|---|---|---|
PCA9502BS | NXP | 2970 | In Stock |
Description and Introduction
8-bit I/O expander with I2C-bus/SPI interface The **PCA9502BS** from NXP Semiconductors is a versatile dual bidirectional I²C-bus and SMBus voltage-level translator designed for mixed-voltage applications. This component facilitates seamless communication between devices operating at different voltage levels, ensuring reliable data transfer without signal degradation.  
Featuring two bidirectional channels, the PCA9502BS supports voltage translation between 1.8V, 2.5V, 3.3V, and 5V systems, making it ideal for interfacing low-voltage microcontrollers with higher-voltage peripherals. Its built-in voltage-level shifting eliminates the need for external components, simplifying PCB design and reducing system complexity.   The PCA9502BS incorporates robust ESD protection, safeguarding sensitive circuitry from electrostatic discharge. With low standby current consumption, it is well-suited for power-sensitive applications. The device also supports hot-insertion, enabling safe connections in live systems without disruption.   Common applications include industrial automation, consumer electronics, and embedded systems where reliable I²C-bus communication across multiple voltage domains is required. The PCA9502BS ensures signal integrity while maintaining compatibility with standard I²C protocols, making it a dependable solution for designers seeking efficient voltage-level translation.   Engineers value its compact packaging and ease of integration, making the PCA9502BS a practical choice for modern electronic systems requiring flexible and efficient voltage-level management. |
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