An ignition apparatus for an internal combustion engine has an arrangement comprising a power part and a control part which are accumulated in a one-chip in an IGBT monolithic silicon substrate. The control circuit part has current limiting function of prevent the flowing of any current which is above...http://www.google.com.au/patents/US6684867?utm_source=gb-gplus-sharePatent US6684867 - Ignition apparatus for internal combustion engine and one-chip semiconductor for internal combustion engine igniting
