CoolSET SiP ZVS flyback controller providing AC zero crossing signaling function The ICE183ZCM integrates AC zero cross detection, X-Cap discharge and 15V LDO enable pin. The 30 W power class in a small SMD footprint and the integrated 800 V power switch, primary and secondary controller, CT Link technology for isolated communication & MFI robustness reduce system complexity and BOM. Featuring zero voltage switching (ZVS) flyback operation, it minimizes switching losses and EMI. With comprehensive advanced protection features and industrial-grade qualification, it allows to meet stringent energy standards with high efficiency and creation of innovative designs for MHA with inverter auxiliary power supplies.