UCC25640x Frequently Asked Questions
For the Time Domain Simulation and Fundamental Harmonic Analysis of LLC Resonant Converters, What Model of the Transformer Should be Used?
LLC Design Using T Type Transformer Model
How to Connect External Gate Drivers to the UCC25640x for High Gate Driver Current Capability?
When Powering on the PFC-LLC AC-DC Converter, What Sequence is Recommended?
How to Eliminate the Nuisance ZCS Detection During the Light Load?
What is the Purpose of Maintaining the FB Pin Voltage of the UCC25640x Controllers at a Constant Level?
How to Improve the Slew Rate Detection at HS Pin of the UCC25640x Controller?
How to Operate the UCC25640x Controller in the Open Loop?
What Happens if the VCR Pin Peak to Peak Voltage of the Controller Exceeds 6 V?
What UCC25640x settings effect the startup duration of the LLC?
What is Causing the Current Imbalance in the LLC's Secondary Side Windings?
How to Design TL431 Compensator for LLC With UCC25640x Controller
LLC Plant Transfer Function Under HHC Control
Type 2 and Type 3 Compensator with TL431 
Type 2 Compensator
Type 2 Compensator Without Fast Lane
Type 3 Compensator with Fast Lane
Type 3 Compensator Without Fast Lane
Type 3 Compensator Design Example
How to Design LLC for Battery Charging and LED Driver Applications?
LED Driver Design Example
Battery Charger Design Example
How to Implement CC-CV Feedback Control?
Voltage Feedback Loop (Type 2) Transfer Function
Current Feedback Loop (Type 2) Transfer Function
What is the Simplest Approach to Configure the Burst Mode Thresholds for UCC25640x Based on the Load Power?
How to Avoid the UCC25640x Controller to Enter into Burst Mode?
What are the Methods for Preventing VCC From Decreasing Below the VCC Restart Threshold During Burst Mode?
How Does BMTL Threshold Value Impacts the Output Voltage Ripple and the VCC Pin Voltage and Magnetizing Current?
How to Design Magnetics for LLC?
LLC Resonant Inductor Design
LLC Transformer Design
How is the Dead Time in UCC25640x Determined During ZCS Detection and in the Absence of Valid Slew Rate Detection?
Most Frequently Asked Questions About the UCC25640x LLC Resonant Controller