MP8001ADS-LF

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Power over Ethernet (PoE) is becoming a more widespread technology being used to power a variety of devices, such as cameras and laptops, and the Microsemi MP8001ADS-LF is a PoE controller that can be of great help to those who need an efficient way to provide energy. The MP8001ADS-LF is a Class 1&2 Powered Device (PD) controller, which can manage up to 30W from a single-port or up to 60W from a dual-port PD. With its cutting-edge features, the MP8001ADS-LF is perfectly suited for a myriad of networking devices and applications.

Fields of Application

The MP8001ADS-LF can effectively be used in a wide range of devices, from consumer electronics to industrial equipment, including network cameras, point-of-sale terminals, residential gateways, and medical instruments. Being compliant with PoE standards IEEE 802.3af Class 0 and IEEE 802.3at Class 1, the MP8001ADS-LF offers remarkable power management and reliable performance.

The Microsemi MP8001ADS-LF offers many advantages, making it an ideal PoE controller for any application. It has an integrated 802.3af/at PD controller, meaning that only one chip is needed to provide the power functions and increased the PCB’s efficiency. This decreases the cost and physical size of the device. Moreover, it uses a finite state machine to ensure that the PD controller complies with the UCAP, UPOE, and PSE standards.

The controller has excellent thermal characteristics and is designed to handle temperatures from -40 to +105 Celsius. The MP8001ADS-LF can be also used as a system reset solution, in order to allow the device to reset when it overheats or when the fabric host is not operating correctly. Furthermore, the controller has an integrated power switch, which ensures a smooth transition between overlapping and non-overlapping activities.

Finally, the MP8001ADS-LF has an integrated voltage regulator, which can be used to supply a constant voltage to auxiliary and standby circuits. This eliminates the need for an external regulator and makes it easier to integrate the PoE controller into a variety of applications.

Working Principle

The MP8001ADS-LF works by providing up to 30W from a single-port or up to 60W from a dual-port PD. To do this, the controller first determines the power available from the upstream PSE and negotiates a power budget with the remote PD. This power budget is then used to determine the amount of power that can be delivered. Once the power supply is correctly established, the controller will then ensure that the power is correctly supplied to the device.

The controller is a fully compliant IEEE 802.3af/at PD controller and has two current sense amplifiers and two 1.2V regulated voltage references, in order to ensure accurate current control. It also has an integrated DC-DC converter, which is capable of providing up to 15W on a single-port connection and up to 30W on a dual-port connection. This DC-DC converter is optimized for efficiency and is designed to minimize power losses.

The MP8001ADS-LF also has an integrated power up/down control system, allowing fast and efficient power up and down to be enabled with no external components or connections. In addition, the controller has an integrated reset timer and voltage monitor, which helps to make sure that the device is resetting correctly and that the power is evenly distributed.

Overall, the Microsemi MP8001ADS-LF is an ideal PoE controller that can manage up to 30W from a single-port or up to 60W from a dual-port PD. It\'s a highly effective, efficient, and compliant solution, making it a great choice for any network device or application that requires reliable power management. With its cutting-edge features and performance, the MP8001ADS-LF is sure to provide a reliable and cost-effective PoE solution.

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