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Infineon intros Smart IGBT modules

Posted: 15 May 2009 ?? ?Print Version ?Bookmark and Share

Keywords:IGBT modules? module assembly? PCB head sink?

Smart family of IGBT modules

Infineon Technologies AG has introduced its new Smart family of IGBT modules. The housing design of the Smart modules allows deploying self-acting PressFIT technology to assemble a Smart module to the PCB and to the heat sink in a single-step mounting process using one screw only.

By offering a high-quality alternative of strong reliability to today's solder connections, Infineon fulfills the needs of inverter designs in the range of up to 55kW. Smart modules enable power converter system solutions optimized for various general-purpose and variable drives, UPS, inductive heating and welding equipment, solar inverters and air conditioning systems.

The combination of the PressFIT technology with the self-acting assembly and mounting to the heat sink in one single step succeeds to simplify the manufacturing process and significantly reduces manufacturing time to a few seconds. By tightening the screw, the counter holder presses the PressFIT pins into the holes on the PCB. A cold-welded and reliable gas-tight connection is generated. The module is mechanically fixed to the heat sink and the PCB onto the module. Due to the housing concept with an inner module core and an outer frame the sensitive components such as IGBT chips, diodes and the ceramic are secured during mounting and over lifetime, so direct copper bonding cracks are almost impossible.

The IGBT modules SmartPACK1 (six pack configuration) and SmartPIM1 (six pack configuration with input rectifier and brake chopper) are the first members of the Smart family of power modules covering an inverter power range from approximately 2.2kW to 11kW. With SmartPIM2, SmartPACK2, SmartPIM3 and SmartPACK3, which will follow later, the whole family will cover a current range of up to 200A distributed over the different housing sizes. Thus, SmartPIM and SmartPACK modules are available for inverters ranging up to 55kW.

Samples of the Smart modules are available in Q3 09 with start of production scheduled for Q4 09.

- Henri Arnold
EE Times Europe





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