Schaeffler Technologies Ag & Co .kg

Patrick Augustin

Vincent Leonhardt

Eduard Enderle

Sebastian Ackermann

Denis Muller

Fabian Bögner

An active discharge circuit for a vehicle discharge device; for discharging a vehicle intermediate circuit, includes a connector for connection to an intermediate circuit element of the vehicle intermediate circuit; a circuit arrangement parallel-connected to the connector and having at discharge element and at switching element, the switching element being designed to electrically contact the discharge element to the connector in a closed switching state and not to electrically contact the discharge element to the connector in an open switching state; and a discrete discharge circuit being designed to adjust the switching states in the switching element by pulse width modulation during discharging of the at least one intermediate circuit element.

Active discharge of a vehicle intermediate circuit element using a discrete PWM pulse-generating discharge circuit

A control circuit for a control unit, which is located in a vehicle and is configured to be switched between an energy-saving state that has a limited range of functions and a normal operational state depending on an output voltage received from the control circuit (), includes a field-effector transistor. The field-effect transistor is configured to receive a supply voltage. The field-effect transistor is further configured to switch between control states based on a control voltage applied at a gate terminal. The control states are an on-state and an off-state. The field-effect transistor is further configured to provide the output voltage based on the control state of the field-effect transistor.

Control circuit and control unit for a vehicle

An electrical circuit arrangement includes an inverter, a driver circuit and a protective circuit. The inverter includes a plurality of inverter switching elements each having a drive connection. The drive connection of at least one inverter switching element is connected to the driver circuit via a first switching element of the protective circuit (). A drive connection of the first switching element is connected to a circuit node, which is connected to a first potential via a resistor and to a second potential via a second switching element. The protective circuit comprises a comparison device, an input of which is connected to an operating voltage and a reference voltage and an output of which is connected to a drive connection of the second switching element so that, if the operating voltage deviates from the reference voltage, the second switching element is switched and the first switching element is switched due to one of the first potential or the second potential being applied to the circuit node as a result of the switching of the second switching element.

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Bühl, Germany

Patrick Augustin