Technology Sharing

New single stage Topology using in LED Driver Design

High Efficiency and Durability

With the advantages of good efficiency and durability, the single-stage (PFC+PWM) power frame is extensively used on the industrial and commercial LED lighting market. However, as the feedback signal of the present single-stage power frame is captured from the current flowing through the LED loading , the feedback signal is thus usually distorted by the excessive current ripple which also causes th’’e flicker. Moreover, the lighting corporations have to consider the electrical specifications (such as voltage and current) and the compatibility of different LED die with power when choosing the power module. The foregoing situation will decrease the manufacture flexibility and also raise the costs.

New Topology

Under FSP’s innovative power frame, the lighting corporations have no need to purchase lots of the same specification power for lowering cost which causes the result of limiting their designs and developments of the new lamps. On the contrary, the lighting corporations can first consider their own lighting configurations and designs which have different electrical specifications due to one FSP’s power supply can apply on various lamps having different electrical specifications. Thus, the merits of low cost and high adaptability of FSP’s power frame will benefit the lighting corporations.

Multiple output current with economical solution

Under FSP’s innovative power frame, the lighting corporations have no need to purchase lots of the same specification power for lowering cost which causes the result of limiting their designs and developments of the new lamps. On the contrary, the lighting corporations can first consider their own lighting configurations and designs which have different electrical specifications due to one FSP’s power supply can apply on various lamps having different electrical specifications. Thus, the merits of low cost and high adaptability of FSP’s power frame will benefit the lighting corporations.

For example, FSP’s LED power module FSP050-1SZN1CP can apply on the rated voltage of LED loading ranging between 36V and 71V and it has a stable output current which is ranged between 350mA and 1050mA. Besides, this product also has the output current fine-tuning mechanism. As long as the rated voltage of the lamp is within the forgoing range, FSP’s LED power module FSP050-1SZN1CP can be adjusted to meet the lighting corporations’ designs. FSP’s innovative power frame effectively solves the problems of binary difference of LED die and the limitation of lighting design due to electrical fit and allows more detailed adjustment for the illumination.