Market Demands
High efficiency
Use of six IGBTs for driving the induction motor
Use of Silicon Carbide diodes, Fast Recovery Diodes and IGBTs in the Power Factor Correction PFC circuit
High temperature environment in the appliance requires high Tj(max) products
Low EMI
Use of SMD packages for lower power devices
System Overview
Application Focus
WeEn Solutions
IGBT:
High-speed with low switching losses
Fast and soft recovery anti-parallel diode
Positive VCE(sat) temperature coefficient
Trench gate field-stop technology
Halogen-free package and Pb-free lead finish, RoHS compliant
Low thermal resistance
Silicon Carbide Diodes:
WeEn Silicon Carbide Diodes have benchmark, temperature-independent switching behaviour for use in high frequency PFC and bridges
Fast Recovery Diodes:
WeEn Silicon FRD Power Diodes are Platinum Doped featuring low leakage at high temperatures, high inrush current and low EMI