I would really appreciate it if you could check this inductor design, if there are any mistakes, or if it can be improved. I'm designing a 50μH50μH PFC choke for a totem-pole bridgeless PFC. The maximum RMS current at 60Hz60Hz is IRMS=25AIRMS=25A, the switching frequency is fsw=...
mode UART interface for communication and in-circuit configuration Flexible design-in by means of one time programming capability for a wide range of parameters Description The IDP2308 is a multi-mode PFC and LLC controller combined with a floating high side driver and a startup cell....
238 256 PI digital output Figure 7 Power Transfer Curve 3.6 Average Current Control The choke current is sensed through the voltage across the shunt resistor and averaged by the ICOMP pin capacitor so that the IC can control the choke current to track the instant variation of the input voltage...
rectifier Fast switching diode D4 LL4148 Fast switching diode F1 FUSE 250 V 5 A Fuse T5A - time delay L1 15 mH 15 mH common mode choke L2 ZRC-IND-260 µH ZRC-PFC inductor EC35 - PC44 (two slot bobbin) Q1 STF12NM50N 12...
P I RL _ boost 2 in _ RMS L _ boost Select the proper wire type to fullfil the loss and thermal requirement for the choke. (15) 2.6 AC line current filter As decribed in section 2.5, there is high frequency ripple current peak to peak IHF passing through boost choke. ...
3.1.7 Peak Current Limitation The peak current through the switching MOSFET is sensed via the PFC shunt resistor RCS,PFC to limit the maximum current through the MOSFET, the choke, and freewheeling diode. Overcurrent Protection Level 1 (OCP1) is implemented by hardware. If the voltage VCS,...
238 256 PI digital output Figure 7 Power Transfer Curve 3.6 Average Current Control The choke current is sensed through the voltage across the shunt resistor and averaged by the ICOMP pin capacitor so that the IC can control the choke current to track the instant variation of the input voltage...