Hello Mike,
We are working on two different power conversion application,
Application 1: 80 to 120 Vin , 14Vout , 450W, PoL application ,CV regulation
Application 2: 400 Vin , 80 to 120 Vout , 2400W , Battery charger, CC/CV regulation
As per…
Hello,
Phase shifted full bridge (PSFB) converters can be used for battery chargers. The follow link will bring you to a 2 kW reference design using the UCC28951 phase shifted full bridge converter.
https://www.ti.com/tool/PMP8740
If you are…
Hello Leo
I would not recommend that you switch from Master to Slave modes by switching the RT resistor. The device was not designed for that condition and may not function correctly.
However, you can switch from Slave to Master modes by setting the…
Hello Jace,
Sorry, when I mentioned the construction details of the shim inductor, I meant T5; these details are described in the white paper (page 21) of this project, available at the link I already provided in my last email....sorry for the misunderstanding…
Hello,
I would recommend using the newer UCC28950 for a phase shifted full bridge (PSFB) controller for your design.
The following link will bring you the data sheet of this controller.
https://www.ti.com/lit/gpn/ucc28950
There is detailed…
Hi Colin,
1. However, I could not understand why Lmag equation considers downslope but not upslope of output inductor current.
2. In PMP8740 ref design, the calculated Lmag required operating at 10V, 62.5A is around 6mH, which is higher the actual…
Hello Bhushan
The Infineon design looks good but it is for a general purpose PSU rather than a battery charger. The main difference is that the Infineon design uses the input current rather than the output current and the result is that you get a constant…
Part Number: UCC28950 Other Parts Discussed in Thread: TINA-TI , PMP8740 Hello,
We are currently testing a PSFB board that is designed based on UCC28950. All the calculations were first verified from the excel tool.
Then the circuit was also simulated…
