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US 8,264,256 B2Granted
Driver and method for driving a device
AssigneeInfineon Technologies Austria AG
InventorsAndrea Logiudice, Michael Lenz
Life of this patent
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Abstract
Embodiments of the invention relate to drivers and methods for driving devices, comprising at least one functional unit at least one of which is adapted to deduce a device parameter of an electronic device from a terminal parameter of the electronic device.
Claims24
A driver for an electronic device, the driver comprising:
- at least one functional unit configured to be coupled to terminals of the electronic device, the at least one functional unit configured to:
- perform an electrical measurement of at least one of the terminals;
- determine a terminal parameter of the electrical device based on the electrical measurement;
- deduce a device parameter of the electronic device from the terminal parameter of the electronic device;
- calculate a temperature of the electronic device based on the device parameter and the terminal parameter;
- and
- generate a driving signal for the electronic device based on the deduced device parameter, wherein the driver is configured to drive at least one semiconductor switch.
4 more elements
A driver circuit for at least one switching device, the driver circuit comprising:
- an input circuit configured to be coupled to a terminal of the at least one switching device, the input circuit configured to measure an electrical parameter of the at least one switching device and determine at least one terminal parameter of the at least one switching device;
- a driving circuit configured to be coupled to a control terminal of the at least one switching device, the driving circuit configured to output a driving signal to the control terminal of the at least one switching device;
- and
- a computation circuit configured to determine at least one device parameter of the at least one switching device as determined device information for adapting the driving signal for the at least one switching device and determine a temperature of the at least one switching device based on the at least one terminal parameter.
1 more element
A method for driving at least one device, the method comprising:
- performing an electrical measurement on a terminal of the at least one device;
- determining at least one terminal parameter of the at least one device based on the electrical measurement;
- deducing at least one device parameter of the at least one device from the at least one terminal parameter;
- calculating a temperature of the at least one device based on the at least one device parameter and the at least one terminal parameter;
- and
- generating at least one driving signal for the at least one device in dependence of the at least one terminal parameter, the at least one device comprising a semiconductor switch.
3 more elements
A system for controlling a switching transistor, the system comprising:
- a driver circuit configured to be couple to a control terminal of the switching transistor;
- a first input circuit configured to be coupled to the control terminal of the switching transistor;
- a second input circuit configured to be coupled to an output terminal of the switching transistor;
- and
- a computation circuit coupled to the driver circuit, the first input circuit, and the second input circuit, the computation circuit configured to
- determine device parameters of the switching transistor based on input from the first and second input circuits,
- determine a temperature of the switching transistor based on the determined device parameters, and
- control the driver circuit according to the determined device parameters.
5 more elements
Dependencies are inferred from the claim text.