04.03.2025
Power Conversion Devices for Wireless Charging Systems
Discover some of the popular electronic components used in wireless charging systems
With the advancement of technology, EVs are becoming a reality. Wireless EV chargers make the charging experience more convenient and user-friendly. The global wireless EV charging market is growing at a CAGR of 77%.
Littelfuse offers a wide range of fuses, Sic/Si MOSFET, gate drivers, Schottky diodes, rectifier diodes and rectifier modules which are all used in wireless charging systems and particularly in wireless EV chargers.
Devices used in Wireless charging systems
| Product | Function in Application | Product Series | Benefits | Features |
| Schottky Diode | Provides output rectification in auxiliary power supply | DST, DSA, DSB | Improves power supply unit efficiency | Low forward voltage drop; high-frequency operation; high junction temperature |
| Si MOSFET | High-speed switching | PolarÔ | Easy to mount; space saving; high power density | Low RDS(ON) and Qg; avalanche rated, international standard packages; low packages; low package inductance |
| Rectifier Diode | Converts AC line voltage supplied to the drive to DC | DMA | Small footprint; multiple package options (high voltage, isolated and standard packages) | Low leakage current and forward voltage drop; improved thermal behaviour; high robustness |
| Rectifier Module | Converts AC line voltage supplied to the drive to DC | MDD, VUO, MDNA | Compact design; better electrical isolations | Package with DCB ceramic; very low forward voltage drop and low leakage current |
| SiC MOSFET or Discrete IGBT | Boosts converter for high frequency switching in the PFC circuit | LSIC1MO/X2-Class, SMPD or XPT | Optimised for high-frequency applications | Ultra-low output capacitance and on-resistance |
| Diode | High-frequency switching and rectification | LSIC2SD, DHG, DSEI | Reduces switching losses; increases efficiency | High surge capability; negligible IRR; Tj 175°C |
| High-Speed Fuse | Protects semiconductor devices | PSR, L50QS, L75QS | Lower I2t performance allows for quick response to protect devices form higher heat energy | 550-1300Vac, 500-1000 Vdc, 40-2000A |
| Gate Driver | Controls the switching MOSFETs/IGBTs | IXDN609, IX4352NE | Quick turn-on and turn-off of MOSFETs/IGBTs; eliminates the need for separate supply | 9A peak current; low propagation delay time; low output impedance |
Reasons to partner with Littelfuse products
- Broad product portfolio – empowering a sustainable, connected and safer world.
- Testing capabilities – helping products get to market faster, offering certification testing to global regulatory standards.
- Compliance and regulations -assisting with the design process to account for requirements set by global regulatory authorities.
- Global manufacturing – high-volume manufacturing that is committed to the highest quality standards
- Application expertise – helps speed up product design and meet customer’s unique requirements.
GD Rectifiers has access to a wide range of Littelfuse products, including semiconductors, fuses and arc flash relays. GD Rectifiers offers the best pricing, lead times and technical support on both IXYS and Littelfuse products.
For further information, or to receive a quote on IXYS/Littelfuse products, please contact our sales team on 01444 243 452 or email [email protected].
