Abstract: Disclosed is a device for detecting a short circuit of an H bridge, the device including a printed circuit including a power trace connecting the H bridge to a first connection area intended to be connected to a first multipin connector connected to a power supply terminal of a power source, and an earth trace connecting the H bridge to a second connection area intended to be connected to a second multipin connector connected to a reference terminal of the power source. The device further includes a measurement unit for measuring two potentials at two different points of the first connector, as well as two potentials at two different points of the second connector, and a processor configured to detect a short circuit of the H bridge by comparison of the potentials.

Abstract: The subject matter of the present invention is a motor vehicle engine control electronic computer including an electric circuit (1B) for managing at least one piece of electrical equipment (2) of the vehicle. The electric circuit includes at least one module (20B) for digital connection to a piece of electrical equipment of the vehicle and a microcontroller (10) including at least one digital input port (110). The digital connection module includes a connector (210) for linking to the electrical equipment, a link (220) for connecting to the digital input port of the microcontroller and a diode package (230B1), connected firstly to the battery (B) voltage of the vehicle and secondly to the ground (M), including two diodes (231B-1, 231B-2) linked to each other at a midpoint (232) and being configurable to operate with a common anode or with a common cathode.

Abstract: Disclosed is a device for detecting a short circuit of an H bridge, the device including a printed circuit including a power trace connecting the H bridge to a first connection area intended to be connected to a first multipin connector connected to a power supply terminal of a power source, and an earth trace connecting the H bridge to a second connection area intended to be connected to a second multipin connector connected to a reference terminal of the power source. The device further includes a measurement unit for measuring two potentials at two different points of the first connector, as well as two potentials at two different points of the second connector, and a processor configured to detect a short circuit of the H bridge by comparison of the potentials.

Abstract: Disclosed is an electronic circuit for controlling a half H bridge, the half split H bridge including first and second MOSFET transistors of different respective types, with sources connected respectively to a supply line and to an electric mass, and with respective drains connected to a load. Moreover, the control circuit includes first and second bipolar transistors of different respective types, with collectors connected to the supply line and to the electric mass, respectively, and with respective bases connected to a control module for controlling the MOSFET transistors, as well as first and second arms mounted parallel relative to one another between the gates of the MOSFET transistors, connected to the emitter of the first bipolar transistor and of the second bipolar transistor, respectively, the first arm including a first diode and a first resistor, and the second arm including a second diode and a second resistor.

Abstract: Disclosed is an electronic circuit for controlling a half H bridge, the half split H bridge including first and second MOSFET transistors of different respective types, with sources connected respectively to a supply line and to an electric mass, and with respective drains connected to a load. Moreover, the control circuit includes first and second bipolar transistors of different respective types, with collectors connected to the supply line and to the electric mass, respectively, and with respective bases connected to a control module for controlling the MOSFET transistors, as well as first and second arms mounted parallel relative to one another between the gates of the MOSFET transistors, connected to the emitter of the first bipolar transistor and of the second bipolar transistor, respectively, the first arm including a first diode and a first resistor, and the second arm including a second diode and a second resistor.

Abstract: The subject matter of the present invention is a motor vehicle engine control electronic computer including an electric circuit (1B) for managing at least one piece of electrical equipment (2) of the vehicle. The electric circuit includes at least one module (20B) for digital connection to a piece of electrical equipment of the vehicle and a microcontroller (10) including at least one digital input port (110). The digital connection module includes a connector (210) for linking to the electrical equipment, a link (220) for connecting to the digital input port of the microcontroller and a diode package (230B1), connected firstly to the battery (B) voltage of the vehicle and secondly to the ground (M), including two diodes (231B-1, 231B-2) linked to each other at a midpoint (232) and being configurable to operate with a common anode or with a common cathode.