Part Number: UCC28782 Tool/software: Hello, Experts, Customer would like to know how to select DBUR. Would you tell how to select it, please? SS115LW RVG can be used?(It is used on EVM, called D3 and D17.) Best Regards, Fujiwara
Part Number: UCC28782 Tool/software: Hello,
I am considering a UCC28782 device. I would like to ask you about the RRDM setting range. I am adjusting PWMH by changing the RRDM constant, but I am experiencing the following situation. When RRDM is over 200kΩ…
Part Number: UCC28782 Tool/software: Hello,
I would like to ask you a question regarding the burst mode operation of the UCC28782. (Question 1) When transitioning from LPM to ABM, excessive voltage is applied to the SR_FET Vds. Please see the enlarged waveform…
Part Number: UCC28782 Tool/software: Hello,
I would like to ask you about the behavior of UCC28782 when Vsw drops. The attached figure shows the waveform when Vsw (Vds) drops. When the low-side turns on, Vsw rises again. The part circled in red. I would…
Part Number: UCC28782 Other Parts Discussed in Thread: UCC5350 , UCC27712 , LMG3622 , LMG3616 , PMP23224 Hello,
I am checking the constants input into the UCC28782 calculation tool. In order to use UCC5350SB as a gate driver, I am considering the constants…
Part Number: UCC28782 Other Parts Discussed in Thread: UCC24612 , UCC28780 , LMG3616 , LMG3622 Hello,
I asked a question in the thread below about the secondary side synchronous rectification controller used with UCC28782 and got an answer. I would like to…
Thank you for your reply. I contacted the person in charge of GaN and was able to get an answer in the thread below. Best regards,
e2e.ti.com/.../lmg3616-about-coss-vs-voltage-curve
Part Number: UCC28782 Hello,
I am currently creating a board using UCC28782 and checking its operation. However, there is a problem that prevents it from starting up properly. Attach the waveform. It switches for the first few cycles, but then stops switching…
Part Number: UCC28782 Hello,
The active clamp circuit of UCC28782 is disabled during LPM, SPB1, and SPB2 operation. Therefore, I am considering adding an RCD snubber circuit as a countermeasure against ringing during LPM, SPB1, and SPB2 operation. I plan…