PM8005C-F3EI

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The PM8005C-F3EI is an I/O Expanders Interface, designed to expand the amount of I/O ports available on a single board computer. I/O expanders are widely used in various industries due to their fast and reliable data transmission. In this article, I will discuss the application field and working principle of PM8005C-F3EI I/O Expanders.

Application Field

The PM8005C-F3EI module is popularly used for many purposes. Firstly, it can be utilized for system interconnection in the industrial control sector. It can be used for distributed intelligence system. In such applications, the PM8005C-F3EI module can provide a cost-effective, reliable and consistent platform to accommodate large amounts of essential I/O components of a comprehensive system. Secondly, it can be used in the sensor/actuator networks, providing an effective solution in linking various types of sensors and actuators.

Thirdly, the module can be used in the embedded computing sector, as an interface configured to connect a single board computer or microcontroller to peripheral devices. The PM8005C-F3EI enables multiple I/O ports to be integrated with a main board, and each I/O port works independently. This feature provides a great flexibility when designing the I/O solution.

Working Principle

The PM8005C-F3EI is a standard I/O expander system which utilizes the horizontal I/O architecture. The module is compliant with PMBus specifications, and supports I2C, SPI, and LPC bus protocols. It also provides a selection of 26-pin and 16-pin headers for expansion IO ports.

The PM8005C-F3EI module provides up to 16 side-moving I/O ports for customization purposes. It is equipped with up to 32K of non-volatile Random Access Memory (NVRAM), and the chip can be accessed quickly during power loss or restoration. Additionally, the module also supports I2C interface, with up to 400KHz transfer speed.

The device supports various boards like desktops, tablets, embedded boards, single board computers and so on. The module has a wide range input and output voltage range of 0-255V, with extended current ratings of 3A and a reduced 0.5mA quiescent standby current.

The module provides a built-in watchdog timer that provides enhanced system reliability and stability, along with an I/O mapping table which simplifies the system configuration and eliminates redundant resources.

The PM8005C-F3EI module is available in a variety of packages to accommodate users’ needs. It is well-suited for distributed intelligence systems, embedded computers, and sensor/actuator networks.

Conclusion

In conclusion, the PM8005C-F3EI is an I/O Expanders Interface, widely used in various industries. It can be utilized to interconnect systems, provide distributed intelligence, and connect sensors/actuators. I2C and SPI bus protocols, along with PMBus specifications are supported. The module provides a selection of 26-pin and 16-pin headers for expansion IO ports, and is available in a variety of packages. It also provides a number of features like a built-in watchdog timer and I/O mapping table for system reliability and stability.

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