LM34919CQTLEVM

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

Evaluation Boards - DC/DC & AC/DC (Off-Line) SMPS are utilized in a variety of industries around the world. It can be used to regulate, monitor, detect, and protect the operation of electronic power circuits. One such board is the LM34919CQTLEVM Application Field and Working Principle.

The LM34919CQTLEVM includes programmable over-voltage, low line voltage, and temperature protection. It is also fully protected against EMI and surge. The device\'s wide input voltage range (5.5 V to 24 V) makes it suitable for both industrial and automotive applications. In addition, the LM34919CQTLEVM can be used in conditions of extreme temperature, and its wide temperature range (-40 to +85 degrees Celsius) makes it suitable for harsh environments.

The purpose of the LM34919CQTLEVM is to provide excellent power performance in hard switching modes with peak output power up to 500 W. It also features a built-in soft start feature, as well as a low ripple voltage. Additionally, the Board provides over-current and over-voltage protection, as well as a standby low-current mode.

The LM34919CQTLEVM operates by means of a cascade architecture of power supply controllers, where a master controller and two booster synchronous rectifiers (SRs) are used. The SRs, which can reach a maximum output power of 500 W, can also be configured as a synchronous boost converter with a constant output voltage. The master controller provides all the necessary control signals to the SRs to regulate the current and voltage. It monitors also the input voltage, the output voltage, and the temperature of the system. Moreover, it adjusts the switching frequency of the two synchronous rectifiers according to the load that the system is carrying.

The Board is also equipped with an auxiliary power supply, which provides an additional voltage source to the Board and ensures that the input voltage of the system is always correct. This allows the Board to stay in a constant, safe condition and to remain operational in different conditions and applications. The LM34919CQTLEVM also provides protection against EMI, surge, and low line voltage.

In addition, the LM34919CQTLEVM enables the user to increase the power conversion efficiency, by reducing the switching losses and increasing the output power up to 500 W. The Board also provides a digital output port, which can be used to monitor the status of the system as well as to display the operating data of the Board. The user can also configure the digital output port to display different data, such as temperature, current, or voltage.

Overall, the LM34919CQTLEVM Application Field and Working Principle board is a very powerful and versatile evaluation board, which can be used in different applications to ensure optimal power performance. It is designed to meet the highest standards and provides excellent power accuracy, efficiency, and reliability.

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