Hello Ilavarasan,
Yes, the inductor ripple current at the PFC switching frequency normally adds Differential-Mode (DM) noise to the EMI signature and this noise is usually seen as a series of tall EMI peaks separated at integer multiples of the switching…
Part Number: UCC28180 Other Parts Discussed in Thread: UC3842 Tool/software: Hi team,
I am currently developing a boost PFC+flyback switching power supply. The PFC chip uses UCC28180, and the flyback uses UC3842.
1. The power supply for UCC28180 uses…
Please read the UCC28180 datasheet (especially section 8.3).
Please read this handbook to understand PFC principles: https://www.onsemi.com/pub/collateral/hbd853-d.pdf
A YouTube video to show the waveform with UCC28180 EVM: https://www.youtube.com/watch…
Part Number: UCC28180 Other Parts Discussed in Thread: TINA-TI , UCC2818A Tool/software: Hi,
I plan to use TINA-TI to verify the UCC28180 Transient Spice Model. In the following thread, there was an answer that said, "It looks like this TINA model is…
Part Number: UCC28180 Tool/software: A typical PFC is directly connected to a Boost inductor after the rectifier bridge. Why does UCC28180 add a 4.7uF capacitor after the rectifier bridge?
Part Number: UCC28180 Other Parts Discussed in Thread: UCC28070 , UCC28019 , PMP22606 Tool/software: Hello Everyone,
I need Ucc28180 IC's Unencrypted lib file. If any one have kindly reply to me or give the tips where it located.
1. Actually, I'm making…
Part Number: UCC28180 Tool/software:
Hello, I recently encountered a problem when testing the VCOMP of UCC28180
Below is my circuit diagram
I tried sending different voltages to VSENSE
When VSENSE=4.5V CH1:VCOMP CH2:VGS(GATE)
When VSENSE=2V
When…
Part Number: UCC28180 Tool/software: VICOMP=k * TSW * (VPK/VOUT) * | sin (wt) |, which varies sinusoidally.
So who got this VICOMP from? Is VICOMP incorrect as the output of Isense in the attached image? Should the two be separated?
Part Number: UCC28180 Tool/software: Hi TI Community,
We are using UCC28180DR to control and drive a boost PFC with 400V dc output voltage and 1 kW rating. IC peripherals are highlighted in the image shared below.
We are facing hardware damage issue…