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Features & applications

What are the technical features of Infineon SiC MOSFETs?

Superior gate oxide reliability
Stable, robust body diode
Excel in hard-switching topologies e.g. servo drives
- Lowest switching losses at fast switching speed
- Easy design-in thanks to robustness against parasitic turn-on effects
- Short-circuit rating 3µs
Excel in soft-switching topologies e.g. EV charging
- Lowest switching losses and easy design-in
- 0 V turn-off can be applied

The CoolSiC™ MOSFET modules are available in 1200V, while the SiC MOSFETs in discrete housing come in 650, 1200 and 1700V.

What are the application benefits of Silicon Carbide?

EBV - Infineon SiC Portfolio - Features and Applications - Industrial Applications - Table

Industrial Applications
CooISiC™ MOSFET in servo drives… … results in zero maintenance due to fan-less drive … leads to a reduction cabling complexity thanks to motor and drive integration … reduces total losses by up to 80% Click to enlarge
CoolSiC™ MOSFET in solar applications… … doubles the inverter power at same inverter weight … has a significantly less efficiency reduction at high operating temperature compared to Si-based alternatives … offers a power density increase by a factor of up to 2.5 … shows a maximum efficiency of more than 99%	CoolSiC™ MOSFET in energy storage systems… … cuts losses by up to 50% … increases the energy by up to 2% without increasing battery size
CoolSiC™ MOSFET in server and telecom power… … cuts losses by up to 30% … doubles the density for reaching	CoolSiC™ MOSFET in EV Charging… … cuts charging time in half … reduces the component number by 50% yet boosting efficiency … lowers the cost of ownership due to higher efficiency … reduces the cooling effort

Industrial Applications

CooISiC™ MOSFET in servo drives…

… results in zero maintenance due to fan-less drive
… leads to a reduction cabling complexity thanks to motor and drive integration
… reduces total losses by up to 80%

Click to enlarge

CoolSiC™ MOSFET in solar applications…

… doubles the inverter power at same inverter weight
… has a significantly less efficiency reduction at high operating temperature compared to Si-based alternatives
… offers a power density increase by a factor of up to 2.5
… shows a maximum efficiency of more than 99%

CoolSiC™ MOSFET in energy storage systems…

… cuts losses by up to 50%
… increases the energy by up to 2% without increasing battery size

CoolSiC™ MOSFET in server and telecom power…

… cuts losses by up to 30%
… doubles the density for reaching

CoolSiC™ MOSFET in EV Charging…

… cuts charging time in half
… reduces the component number by 50% yet boosting efficiency
… lowers the cost of ownership due to higher efficiency
… reduces the cooling effort

EBV - Infineon SiC Portfolio - Features and Applications - Automotive Applications - Table

Automotive Applications
CoolSiC™ MOSFET in xEV applications: For the main inverter it… … increases the battery utilization by 5-10% … increases power density for system size reductions of up to 80% … lowers conduction losses in light load condition compared to Si-IGBTs	In on-board chargers Silicon Carbide… … is able to realize smaller bidirectional 3phase chargers … helps downsizing passive components thanks to faster switching … enhanced efficiency in PFC and DC-DC stage of up to 1%
In HV DC-DC converters CoolSiC™ MOSFETs… … offers higher switching frequencies … enhances power density … increases the level of integration

Automotive Applications

CoolSiC™ MOSFET in xEV applications:

For the main inverter it…

… increases the battery utilization by 5-10%
… increases power density for system size reductions of up to 80%
… lowers conduction losses in light load condition compared to Si-IGBTs

In on-board chargers Silicon Carbide…

… is able to realize smaller bidirectional 3phase chargers
… helps downsizing passive components thanks to faster switching
… enhanced efficiency in PFC and DC-DC stage of up to 1%

In HV DC-DC converters CoolSiC™ MOSFETs…

… offers higher switching frequencies
… enhances power density
… increases the level of integration

Which gate drivers are recommended for driving a Silicon Carbide MOSFET?

To achieve maximum system benefits when using SiC MOSFETs, it is advisable to complement them with Infineon’s EiceDRIVER™ gate-driver ICs to fully leverage the advantage of SiC technology. By doing so, customers will achieve improved efficiency, space and weight savings, part count reduction and enhanced system reliability.

Customers may choose between different EiceDRIVER™ gate-driver types including: