Reverse conducting IGBT targets induction heating

January 08, 2019 //By Nick Flaherty
Reverse conducting IGBT targets induction heating
Infineon Technologies has launched a series of protected IGBTs for induction heating.

Compared to a standard RC-H5 reverse conduction IGBT the new Trenchstop family integrates logic functionality and a dedicated driver IC for various programmable protection features in a single device. The Protected F Series guarantees higher system reliability with less design and programming effort for all induction heating applications using a single-ended topology.

The fast growing market of induction heating systems requires ever-higher performance and better reliability to protect brand reputation against any failure. The devices integrate protection functions against over-voltage, over-current and over-temperature. Combining this functionality with additional diagnostic features, the device reliability becomes independent from microcontrollers so that designers can integrate less advanced MCUs for reduced complexity and cost.

The TRENCHSTOP Feature IGBT Protected Series combines a 20 A/1350 V RC-H5 IGBT with a protecting gate driver IC. Both the IGBT and driver are molded in a single TO-247 6-pin package with the same dimensions and single screw hole as a standard TO-247 3- & 4-pin package. The additional pins allow for extra features such as unique active clamp control, fault condition notification, and a special two level turn-on gate driving current. The thresholds for over-voltage and -current are programmable to suit customers’ needs.

Samples can be ordered now; the production in high quantities has started.

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