Patent ID: 6556055
Filing Date: 2003-04-29
Classification: H03K

Abstract:
Drive circuit for controlled edge power elements comprising:a first integrating circuit having a first input suitable for receiving in input a first drive signal; an integrating capacitor coupled between said first input of said first integrating circuit and a predetermined reference voltage; and a first power element driven by said first integrating circuit and suitable for driving a load, said load having a first terminal; wherein said first integrating circuit includes a first current amplifierthat includes: an input branch having a first input for receiving the first drive signal and a second input coupled to the load; an output branch coupled to said input branch; and a bias branch suitable for biasing said input branch; wherein said input branch comprises a switch commanded by a bias voltage supplied by said bias branch so as to block current flowing in said input branch and consequently current flowing in said output branch when a voltage applied to said first input of the input branch is null.