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Independent Dead-time for Advanced Timer

Question asked by Vivek Sankaranarayanan on Jul 21, 2017
Latest reply on Jul 25, 2017 by waclawek.jan

Hi All,


I'm using the advanced timer TIM1 on STM32303VC to drive a 2 phase shifted full bridges separated by a transformer (Dual Active Bridge topology). This required use of 4 PWMs. CH1 and CH1N drive the primary bridge. CH3 and CH3N drive the secondary bridge.

The question is I need to program independent dead times (for CH1-CH1N and CH3-CH3N). Is that possible? Because the LL APIs have only one dead time configuration value per Timer.


If it's not possible what is the workaround? This is a make or break situation for my converter.