Toshiba Electronics Europe has introduced six new products in its DTMOSVI 600-V series of N-channel power MOSFETs, designed to reduce switching loss and improve overall system efficiency.
MSThe new TKxxxZ60Z1 devices are mounted in a 4-pin TO-247-4L(X) package optimized for high-speed, high-efficiency operation.
The DTMOSVI 600-V series incorporates an optimized gate structure that reduces drain-source on-resistance (RDS(on)) per unit area by approximately 13%.
The figure of merit (RDS(on) × gate-drain charge, Qgd) has also been reduced by about 52% compared with the previous DTMOSIV-H series, improving the trade-off between conduction and switching losses.
These characteristics enable more efficient power conversion in applications, such as electric vehicle (EV) charging systems, onboard chargers (OBCs), dc-dc converters, and other high-performance power supplies.
The four-pin TO-247-4L(X) package includes a dedicated signal source terminal for the gate drive, reducing the inductance effects present in traditional three-pin designs. This minimizes counter electromotive voltage and allows the voltage applied between the gate and source to closely match the actual gate drive voltage.
As a result, switching performance and efficiency are improved, which is particularly beneficial for compact, high-frequency converters used in EV charging infrastructure and power conditioning systems.
The package also increases creepage distance through a cavity between the drain and source pins, supporting higher-voltage operation and safety margins required in automotive and energy systems.
Toshiba provides simulation resources such as the G0 SPICE model for circuit verification and G2 SPICE models that accurately reproduce transient characteristics, helping engineers evaluate switching behavior under realistic conditions.
The company plans to continue expanding its DTMOSVI 600-V lineup to support ongoing improvements in energy efficiency across vehicle electrification, renewable power, and industrial systems.
Filed Under: Onboard Charging, Technology News