Part Number: PMP5112 Other Parts Discussed in Thread: TLV431 , TPS92560 Tool/software: WEBENCH® Design Tools I built and using the PMP5112 SEPIC PFC LED Driver. With 75VAC input, the output is approx. 89 VDC with about 500ma of current. The string of…
Faith
If you need a buck-boost PFC we recommend considering a SEPIC PFC. PMP5112 is an example of one of our devices configured as such.
If you can accept a PFC bus voltage that's greater than 675V then you can get away with a PFC boost, which will…
Other Parts Discussed in Thread: TPS92560 , UCC28810
I have 2 LED Driver designs built and am using: PMP5112 Rev E and TPS92560 _120V_Boost_A. They both work but want to know how to adjust the current to dim the LED strings.
Mehran,
I am not familiar with using SEPIC as a PFC stage.
But there are some articles and reference designs available of the TI website that discuss it, they may be of use. However, most of these are for LED lighting, at much lower levels. Not…
Doug,
To modify this PMP5112 design to fit your application, we do not have a calculator tool to recommend in order to help you size the schematic components. Therefore, I will give you some ideas and then will require you to do some calculations.…
Dear,
I'm developing PFC/SEPIC led power supply with 1A/48V output. I found PMP5112 and PMP5714, but they have 500mA and 700mA output. I have to get 1 Ampere so I need to recalculate main parts from design. Can you give me deisgn user guide or give…
