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US 2020/0025816 A1Published application
Circuit and method for detecting a creeping short circuit in bridge connections
AssigneeRobert Bosch GmbH
InventorsJohannes Zondler, Federico Ignacio Sanchez Pinzon, Yannick Chauvet
Life of this patent
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Abstract
A circuit for detecting a creeping short circuit in bridge connections. The circuit includes a first detection device for a power loss at a battery-side connection of the bridge connection to a first counting register and a second detection device for a power loss at a ground-side connection of the bridge connection to a second counting register.
Claims14
1-13. (canceled)
A circuit for detecting a creeping short circuit in a bridge connection, comprising:
- a first detection device for a power loss at a battery-side connection of the bridge connection, the first detection device including a first counting register;
- and
- a second detection device for a power loss at a ground-side connection of the bridge connection, the second detection device including a second counting register.
A method for detecting a creeping short circuit in bridge connections with a circuit, the method comprising:
- detecting a power loss at a battery-side connection of a bridge connection by a first detection device, wherein the circuit for detecting includes the first detection device for the power loss at the battery-side connection of the bridge connection, the first detection device including a first counting register, and a second detection device for a power loss at a ground-side connection of the bridge connection, the second detection device including a second counting register;
- increasing a first count value of a first counting register of the first detection device as a function of the power loss detected at the battery-side connection;
- detecting a power loss at a ground-side connection of the bridge connection by a second detection device;
- increasing a second count value of a second counting register of the second detection device as a function of the power loss detected at the ground-side connection;
- comparing the first count value of the first counting register to the second count value of the second counting register;
- detecting the creeping short circuit if a deviation between the first count value and the second count value lies above a threshold value.
3 more elements
A non-transitory computer readable medium having a computer program, which is executable by a processor, comprising:
- a program code arrangement having program code for detecting a creeping short circuit in bridge connections with a circuit, by performing the following:
- detecting a power loss at a battery-side connection of a bridge connection by a first detection device, wherein the circuit for detecting includes the first detection device for the power loss at the battery-side connection of the bridge connection, the first detection device including a first counting register, and a second detection device for a power loss at a ground-side connection of the bridge connection, the second detection device including a second counting register;
- increasing a first count value of a first counting register of the first detection device as a function of the power loss detected at the battery-side connection;
- detecting a power loss at a ground-side connection of the bridge connection by a second detection device;
- increasing a second count value of a second counting register of the second detection device as a function of the power loss detected at the ground-side connection;
- comparing the first count value of the first counting register to the second count value of the second counting register;
- detecting the creeping short circuit if a deviation between the first count value and the second count value lies above a threshold value.
4 more elements
An electronic arithmetic unit for detecting a creeping short circuit in bridge connections with a circuit, comprising:
- a non-transitory computer readable medium having a computer program, which is executable by a processor, including a program code arrangement having program code for detecting the creeping short circuit in bridge connections with the circuit, by performing the following:
- detecting a power loss at a battery-side connection of a bridge connection by a first detection device, wherein the circuit for detecting includes the first detection device for the power loss at the battery-side connection of the bridge connection, the first detection device including a first counting register, and a second detection device for a power loss at a ground-side connection of the bridge connection, the second detection device including a second counting register;
- increasing a first count value of a first counting register of the first detection device as a function of the power loss detected at the battery-side connection;
- detecting a power loss at a ground-side connection of the bridge connection by a second detection device;
- increasing a second count value of a second counting register of the second detection device as a function of the power loss detected at the ground-side connection;
- comparing the first count value of the first counting register to the second count value of the second counting register;
- detecting the creeping short circuit if a deviation between the first count value and the second count value lies above a threshold value.
4 more elements
Dependencies are inferred from the claim text.