EVAL_3KW_2LLC_CFD7

Überblick

3kW dual-phase LLC evaluation board with 600V CoolMOS™ CFD7 SJ MOSFET

This evaluation board shows how to design a dual-phase LLC system solution of a telecom rectifier with the target to meet 80+ Titanium Standard efficiency requirements. For this purpose the following technologies have been used:

The latest 600V CoolMOS™ CFD7 SJ MOSFET technology (IPW60R031CFD7) on the primary side and OptiMOS™ 5 150V low voltage power MOSFET in SuperSO8 (BSC093N15NS5) in the synchronous rectification secondary stage, in combination with quasi-resonant CoolSET™ (ICE2QR2280Z), high voltage gate driver EiceDRIVER™ 1EDI (1EDI60N12AF), high speed driver ICs for high voltage MOSFETs, low side gate driver EiceDRIVER™ 2EDN (2EDN7524R) for sychronous rectification MOSFETs and a digital LLC XMC™ microcontroller (XMC4400-F64K512 BA).

Summary of features

  • Dual-phase concept
  • Full digital control
  • Graphical user interface

Summary of benefits

  • High and flat efficiency plot
  • Optimal use of CoolMOS™ and OptiMOS™ best-in-class devices
  • Prevention/protection of LLC critical operating conditions
  • Flexible and user friendly design parameter settings

Target applications

Telecom rectifiers, Industrial SMPS, Industrial battery chargers

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