Part Number: UCC28950 Tool/software: Thank you for your help. I have a question about the Adaptive Delay of the UCC28950.
How long does it take for the Adaptive Delay value to be updated after the voltage of the CS terminal is changed? For example,…
Part Number: UCC28950 Tool/software: Hello I am designing a PSFB with 250V input 82v output power, I have made similar designs before, but I am encountering a new problem, the output voltage of the power circuit oscillates as in the photo below, the ripple…
Part Number: UCC28950 Other Parts Discussed in Thread: UCC28070 HI SIR
The upper and lower phase-shifted MOSFETs in the full-bridge circuit, when starting up under full load at 90Vac, exhibit a high VGS voltage of 44V, raising concerns about potential…
Part Number: UCC28951-Q1 Other Parts Discussed in Thread: UCC28951 Tool/software: Hello,
I am trying to design an isolated DC-DC converter with the following specifications:
Vin: 16-90 Vdc
Vout: 48 Vdc
Iout max: 30A
Using the TI Webench…
Part Number: UCC28951 Other Parts Discussed in Thread: UCC28950 I have built a 2kW PSFB circuit around your company's UCC28950/UCC28951 as the core. In addition, I have completed the calculation and component selection for the transformer, output inductor…
Part Number: UCC28950-Q1 Other Parts Discussed in Thread: UCC28950 Tool/software: Hello,
Our US A&D customer has a question on the UCC28950-Q1 SYNC pin operation. Would you please help with the inquiries below?
I had a couple questions for controller…
Part Number: UCC28950-Q1 Other Parts Discussed in Thread: UCC28950 Tool/software: Is there a working unencrypted spice model for UCC28950 (transient version) posted anywhere?
Part Number: UCC28950 Hello
I am designing a PSFB with 250V input 82v output power, I have made similar designs before but I am encountering a new problem, the output voltage of the power circuit oscillates around 1v when there is no load Tue. but even…
Part Number: UCC28950 Tool/software:
Hi,
I would like to ask for your clarification regarding the soft-start behavior of the UCC28950.
[Background] According to equation (1) in the datasheet, the soft-start time Tss can be calculated as:
…
Part Number: UCC28950 Hi,
Could you please confirm if our understanding of the UCC2895x Excel Design Tool (SLUC222) is correct?
The Bode plot generated by the tool is based on Voltage Mode Control results.
The tool does not provide any option…