Power semiconductors are vulnerable country's overall competitiveness in memory semiconductors compared to the structure without the absolute leader in the production of many kinds
Division | Function and role | Market Status | |
---|---|---|---|
Muscle | Power Semiconductor | High voltage, And precisely the power needed to control a large current Provide a stable supply of semiconductor (Ex : Motor Drive) |
World Markets about 344Billion$ Diversified production subject Leading international companies (World 20My top None Nationality company) |
Brain | Memory Chip(DRAM) | Information into a digital signal Storing semiconductor (Ex: PC or Smartphone Storage) |
World Markets about 1302Billion$ Small species massive production subject Leading domestic companies (Samsung, SKHynix 62% occupancy) |
Division | Si | SiC | Benefit |
---|---|---|---|
Band gap[eV] | 1.1 | 3.2 | High temperature operation |
Maximum junction temperature[℃] | 80 | 200 | High temperature operation |
Critical electric field[MV/cm] | 0.3 | 3.5 | High-voltage operation |
Saturation velocity[m/s] | 10x10 | 2.7x10 | High-speed switching operation |
Thermal conductivity[W/㎠·K] | 1.5 | 4.9 | Apply high-temperature applications |
SiC Power semiconductor Advantages is High Voltage And Compact SizeVery suitable semiconductors in the power semiconductor market trend Simultaneously Implementation vertical structure(Trench Gate)It is possible and, High Voltage/High Temperature There are characteristics Device Smaller and Package Optimal in the semiconductor light-weight.
Existing Si Semiconductor contrast SiC Semiconductor strengths