CUED Publications database

Avalanche ruggedness of 800V Lateral IGBTs in bulk Si

Camuso, G and Udugampola, N and Pathirana, V and Trajkovic, T and Udrea, F (2014) Avalanche ruggedness of 800V Lateral IGBTs in bulk Si. In: UNSPECIFIED.

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© 2014 IEEE. Avalanche capability of 800V rated Lateral IGBTs (LIGBTs) fabricated using bulk CMOS technology has been investigated for the first time for both turn-on and turn-off. The LIGBTs have been designed for 65kHz operation in energy-efficient, compact off-line power supplies. Measurements of the device during turn-on revealed failures under high line voltages. The device was analysed using a combination of measurements and simulations which revealed that the dynamic avalanche was the cause of failure. An optimised LIGBT has been designed, simulated, fabricated and tested. The optimised device exhibits higher breakdown voltage and improved turn-on avalanche capability. Moreover, the optimised device showed improved avalanche capability during turn-off and reduced likelihood of latch-up.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Divisions: Div B > Electronics, Power & Energy Conversion
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:43
Last Modified: 19 Jul 2018 07:59