IGBT'er med kraftigt reduceret switchingtab

IGBT'er med kraftigt reduceret switchingtab

Infineons nye 650V TRENCHSTOP 5 IGBT'er reducerer swithingtabene med mere end 60 procent (in english). 

Infineon Technologies has released the next generation of thin wafer IGBT (Insulated Gate Bipolar Transistor) by introducing TRENCHSTOP 5. It features significantly lower conduction and switching losses compared to currently leading solutions.

With an increased breakthrough voltage of 650V the new technology provides a higher safety margin for designs. Target topologies are boost PFC (AC/DC) stage and high voltage DC/DC topologies commonly found in applications such as Photovoltaic Inverters, Uninterruptible Power Supplies (UPS) and Inverterised Welding Machines.

The TRENCHSTOP 5 provides the basis for two product families. The HighSpeed 5 (H5) is a soft high speed IGBT designed for ease of use and the plug and play replacement of existing IGBTs, since it requires minimum design-in effort. The HighSpeed 5 FAST (F5) is the most efficient IGBT ever seen; for example, more than 98 percent system efficiency has been observed in application measurements on a photovoltaic inverter using a 'H4 bridge' topology.

- TRENCHSTOP 5 is a quantum leap in IGBT performance, providing dramatic system efficiency improvement and higher breakthrough voltage for increased reliability. This will lead to reduced system costs of the overall platform. For customers demanding all these features in one solution, TRENCHSTOP™ 5 is the only option, says Roland Stele, Marketing Director IGBT Power Discretes at Infineon Technologies.

The new TRENCHSTOP 5 delivers major benefits to a wide range of target applications. Compared to the current Best-in-Class HighSpeed (H3) family from Infineon, conduction losses have been reduced by more than 10 percent, whilst total switching losses have been reduced by more than 60 percent.

This massive increase in efficiency allows for either lower junction temperatures during operation, which ensures higher lifetime reliability, or higher power density designs. For example, application tests have shown TRENCHSTOP 5 in a TO-220 package to have 15 percent lower case temperature than a H3 in a TO-247 package.

Other significant improvements include a mild positive temperature coefficient of the saturation voltage (V ce(sat)) and turn-off switching losses (E off), which ensure that performance is not penalized during high temperature operation and paralleling is straightforward.

The 2.5 times lower gate charge (Q g) compared to H3 results in an IGBT that is easier to drive at lower costs. Furthermore, TRENCHSTOP 5 features a temperature stable forward voltage drop (VF) of the fast recovery free-wheeling diode and reverse recovery time (T rr) of less than 50ns. Low output capacitance (C oss and E oss) provide outstanding light-load efficiency, which is perfect for designs that predominately operate below 40 percent of maximum rating.

Samples are available from mid-November for both the H5 and F5 variants. www.infineon.com/trenchstop5

20/11 2012
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