BCM59121B0KMLG

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Power Over Ethernet (PoE) Controllers are devices used to manage and protect energy delivered to devices over Ethernet cables. This technology is useful in many practical applications and BCM59121B0KMLG is one such product. It is a highly integrated power management solution specifically designed for Remote Power Feeding (RPF) applications over Ethernet cable.

BCM59121B0KMLG application lies within the power management IC(PMIC) family of devices. Not only does it provide superior overvoltage, undervoltage, overload and short circuits protections, but it also provides power-up sequencing and signaling for customers. This device has a wide operating temperature range of -40 to 125 ºC, making it suitable for a variety of industrial and telecom solutions. It has a wide input voltage range of 0.7V to 48V and can deliver up to 25W with a 12V output for the application. The internal switching frequency of this device is 1.2MHz and it comes with a built-in soft start, overvoltage and undervoltage protections.

The working principle of BCM59121B0KMLG lies in the use of a Power Over Ethernet (PoE) Controller. This device takes the power from the Ethernet cable and delivers it to the connected device. The controller functions as a link between the Ethernet connection and the load, ensuring that the voltage and current supplied is correct and is within limits that are safe for the load. The controller also manages to maintian constant output voltage, even when the input voltage level changes. This is important feature as it prevents over-voltage situations and protects the connected device from being damaged.

BCM59121B0KMLG utilizes a number of components to ensure reliable power distribution. The main component is the DC/DC converter, which converts the input voltage from 0.7V to 48V. This is followed by the voltage regulator, which monitors the voltage and takes it to the desired output voltage. The controller also has an overcurrent protection circuit, which ensures that the output current does not exceed the safe level and a current sensing circuit, which continuously makes sure that the current delivered meets the requirement of the load. Once all these components are in working order, the controller begins to feed power to the connected devices.

BCM59121B0KMLG is ideal for industrial and telecom applications, thanks to its wide operating temperature range and its ability to deliver up to 25W at a 12V output. It provides reliable power delivery by utilizing its overvoltage and undervoltage protection circuits as well as its built-in soft start and current sensing circuits. It is a highly integrated, robust and cost-effective power solution for Remote Power Feeding applications.

The specific data is subject to PDF, and the above content is for reference