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ACGUY
2 months ago
Power management
Power management forum
UCC256301: Operation at light load
Resolved
Part Number:
UCC256301
Hello E2E, Please see the attached file. At light load, the switching timing
Benjamin Lough
1 month ago
Power management
Power management forum
RE: UCC256301: Fail ! unable to work properly
Hi Eilision, You cannot apply voltage directly to VCC as this would interfere with the HV startup function wanting to charge up VCC to 26V before switching begins and would fail to start up. But if you apply the external voltage to the anode of D11...
louie li
4 months ago
Power management
Power management forum
UCC256301: old version 500W LLC EVM request
TI Thinks Resolved
Part Number:
UCC256301
Dear engineer, I saw a
UCC256301
500W LLC EVM DESIGN GUIDE months before in TI.com , which has no PFC and supply +-42V. I Need that pdf file for designing. Can you provide me with it? Thanks! Regards, Louie,
Nick52556
5 months ago
Power management
Power management forum
UCC256301: Bring-up Debug Sequence? No FB voltage
TI Thinks Resolved
Part Number:
UCC256301
I am trying to bring up a
UCC256301
LLC circuit. I am wanting to do so "softly" so it doesn't explode if something is wrong. But it seems like the AC circuitry needs to be present to get the zero cross waveforms to...
Goran Djogo
7 months ago
Power management
Power management forum
UCC256301: current control during soft start?
TI Thinks Resolved
Part Number:
UCC256301
We are considering an application of the resonant controller
UCC256301
for a HV capacitor charger. The capacitor charger will have LLC resonant converter topology. My questions: 1) Can
UCC256301
control primary current of...
neguse gebremikael
10 months ago
Power management
Power management forum
UCC256301: UCC256301
Resolved
Part Number:
UCC256301
Is there TI design calculator spreadsheet for UCC25630x, in my case UCC25631
aash mohd
8 months ago
Power management
Power management forum
UCC256301: LLC resonant
TI Thinks Resolved
Part Number:
UCC256301
hi, I am new to LLC resonant bridge convertor design . I am confused to how control current and voltage individually for example at time t0 , i want a voltage say 44V and current 30A and at time t1 , i want voltage say 54V...
Anup_Shetty
9 months ago
Power management
Power management forum
UCC256301: LLC Resonant converter for variable power supply design
Resolved
Part Number:
UCC256301
Can we design a variable power supply with the help of LLC Resonant
Benjamin Lough
8 months ago
Power management
Power management forum
RE: UCC256301: X-capacitor discharge feature getting turned on while input voltage still present
Hi Aleksey, What I normally do is compare the resonant current to the ISNS waveform and make sure there isn't significant phase shift between the two waveforms. If there is excessive bypass capacitance the ISNS waveform will be significantly delayed...
Matthias Klein
11 months ago
Power management
Power management forum
UCC256301: Fail ? I become not 100V
TI Thinks Resolved
Part Number:
UCC256301
Hello! I have a problem with the circuit. The circuit does not transmit the voltage correctly. I assume it is due to the resonant circuit? Does anyone have pictures of measurements on VCR? Is it a sign of the incorrectly parameterized...
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