KPT00J8-3SW

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

The KPT00J8-3SW is an intelligent, dual-phase, three-phase, soft-switching controller with wide applications. It integrates a micro-controller, gate driver, and auxiliary power supply to feature low start-up power consumption, fast and continuous start-up and shutdown, synchronous rectification, and high efficiency. It has an adjustable input voltage boost, wide tight voltage range, and fast current monitoring.

The KPT00J8-3SW application field includes different motor speed control systems, battery chargers, solar panels, air source heat pumps, HVAC systems, lighting systems and more. This device supports a variety of soft-switching topologies such as active clamp, current shaping, active-clamp reset, and zero-current transferring.

The working principle of KPT00J8-3SW can be summarized in three steps. First, two power switches and a diode are connected in series. The power switches are usually MOSFETs. Then, the microcontroller chip provides control signals to control power switches. Lastly, all three phases of switching signals along with the two power switches 180 degrees out of phase with each other, forms a complete closed loop for the conversion of AC and DC power.

Generally speaking, the KPT00J8-3SW\'s working principle involves two processes – commutation and soft switching. When commutation happens, it controls two power switches and switches the currents so that the average voltage across the load can be regulated. In soft switching, the power switches are actively turned off before their voltage reaches the peak voltage. This ensures the switches are not damaged by over voltage and dissipate less power.

The KPT00J8-3SW provides further benefits such as adjustable turn-on or turn-off delays, analog voltage adjust, input voltage feedback, output under-voltage and over-voltage limits, inter-phase and inter-channel synchronization, etc. These features help reduce total harmonic distortion when driving different types of loads.

In summary, KPT00J8-3SW is a highly reliable and efficient power controlling device ideal for applications such as solar panels, battery chargers, HVAC systems, motor speed control systems and more. It operates by leveraging a three-phase switching control mechanism, built-in microcontroller, gate driver, aggressive soft switching, and multiple protection features.

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