Patents by Inventor Markus Pretschuh
Markus Pretschuh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230402363Abstract: A power semiconductor device includes: a power semiconductor; a base metal sheet; and a flexible printed circuit board (PCB) between the base metal sheet and the power semiconductor. The power semiconductor includes a first power pad on a side facing the flexible PCB, and the flexible PCB includes a conductive pad, one side of which is electrically connected to the first power pad of the power semiconductor and the opposite side of which is electrically connected to the base metal sheet.Type: ApplicationFiled: August 29, 2023Publication date: December 14, 2023Inventors: Florian MAXL, Markus PRETSCHUH, Maximilian HOFER, Peter KURCIK
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Patent number: 11776890Abstract: A power semiconductor device includes: a power semiconductor; a base metal sheet; and a flexible printed circuit board (PCB) between the base metal sheet and the power semiconductor. The power semiconductor includes a first power pad on a side facing the flexible PCB, and the flexible PCB includes a conductive pad, one side of which is electrically connected to the first power pad of the power semiconductor and the opposite side of which is electrically connected to the base metal sheet.Type: GrantFiled: January 12, 2021Date of Patent: October 3, 2023Assignee: SAMSUNG SDI CO., LTD.Inventors: Florian Maxl, Markus Pretschuh, Maximilian Hofer, Peter Kurcik
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Patent number: 11639967Abstract: A sensor system for a battery module, includes: a shunt resistor including: a first current clamp and a second current clamp, each of the first and second current clamps to be connected to a current path of the battery module; a first voltage clamp and a second voltage clamp; and a measurement resistance between the first voltage clamp and the second voltage clamp, and electrically connected to the first current clamp and the second current clamp; a first landing pad electrically connected to the first voltage clamp; a second landing pad electrically connected to the second voltage clamp; a first temperature sensor connected to the first landing pad; and a second temperature sensor connected to the second landing pad.Type: GrantFiled: September 25, 2020Date of Patent: May 2, 2023Assignee: SAMSUNG SDI CO., LTD.Inventors: Maximilian Hofer, Markus Pretschuh
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Patent number: 11495836Abstract: A control unit for a battery system, comprising: a microcontroller configured to generate a first control signal; a monitoring unit configured to generate a fault signal indicative of the operational state of the microcontroller; a first signal source configured to generate a state signal indicative of a system state; a comparator circuit configured to generate an intermediate control signal based on a first control signal and a fault signal; the comparator circuit further comprising a comparator node, the comparator circuit configured to transmit the intermediate control signal to the comparator node; wherein the first signal source is connected to the comparator node to transmit the state signal to the comparator node; the comparator circuit further comprises a comparator connected to the comparator node and configured to generate a switch control signal based on a voltage on the comparator node and based on a threshold voltage.Type: GrantFiled: October 19, 2020Date of Patent: November 8, 2022Assignee: Samsung SDI Co., Ltd.Inventors: Peter Kurcik, Markus Pretschuh, Maximilian Hofer
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Patent number: 11476690Abstract: A power supply system for a battery system of a vehicle is provided. The power supply system includes: a switch control unit configured to control a power switch to switch an external load; an electronic unit; a first power supply electrically connected to the switch control unit and electrically connected to the electronic unit; a second power supply; and a switching unit. In a normal mode, the first power supply electrically supplies the electronic unit. The switching unit is configured to, in a cold crank mode: electrically disconnect the first power supply from the electronic unit when a voltage of the first power supply drops below a threshold voltage; and electrically connect the second power supply to the electronic unit when the voltage of the first power supply drops below the threshold voltage such that the second power supply powers the electronic unit in the cold crank mode.Type: GrantFiled: September 1, 2020Date of Patent: October 18, 2022Assignee: SAMSUNG SDI CO., LTD.Inventors: Peter Kurcik, Maximilian Hofer, Markus Pretschuh, Florian Maxl, Mathias Pischler
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Patent number: 11451072Abstract: A control unit for a battery system includes a plurality of battery cells is provided. The control unit includes: an input node configured to receive a sensor signal indicative of a state of at least one of the plurality of battery cells; a microcontroller connected to the input node and configured to generate a first control signal based on the sensor signal; and a switch control circuit configured to control a power switch of the battery system by: receiving the sensor signal, the first control signal, and a fault signal indicative of an operational state of the microcontroller; generating a second control signal based on the sensor signal; and transmitting one of the first control signal and the second control signal to an output node of the control unit based on the received fault signal.Type: GrantFiled: March 27, 2019Date of Patent: September 20, 2022Inventors: Maximilian Hofer, Markus Pretschuh, Michael Erhart
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Publication number: 20220006305Abstract: A control unit for a battery system includes a plurality of battery cells is provided. The control unit includes: an input node configured to receive a sensor signal indicative of a state of at least one of the plurality of battery cells; a microcontroller connected to the input node and configured to generate a first control signal based on the sensor signal; and a switch control circuit configured to control a power switch of the battery system by: receiving the sensor signal, the first control signal, and a fault signal indicative of an operational state of the microcontroller; generating a second control signal based on the sensor signal; and transmitting one of the first control signal and the second control signal to an output node of the control unit based on the received fault signal.Type: ApplicationFiled: September 20, 2021Publication date: January 6, 2022Inventors: Maximilian HOFER, Markus PRETSCHUH, Michael ERHART
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Patent number: 11218008Abstract: A control unit for a battery system includes a plurality of battery cells is provided. The control unit includes: an input node configured to receive a sensor signal indicative of a state of at least one of the plurality of battery cells; a microcontroller connected to the input node and configured to generate a first control signal based on the sensor signal; and a switch control circuit configured to control a power switch of the battery system by: receiving the sensor signal, the first control signal, and a fault signal indicative of an operational state of the microcontroller; generating a second control signal based on the sensor signal; and transmitting one of the first control signal and the second control signal to an output node of the control unit based on the received fault signal.Type: GrantFiled: March 27, 2019Date of Patent: January 4, 2022Assignee: SAMSUNG SDI CO., LTD.Inventors: Maximilian Hofer, Markus Pretschuh, Michael Erhart
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Publication number: 20210249872Abstract: A battery system includes a stack of battery cells connected between first and second stack nodes, the stack to supply a stack voltage to a first battery system output node connected to the first stack node; a DC/DC converter to receive a first output voltage of the stack, and to down-convert the first output voltage to a second output voltage; a battery actuator interconnected between the stack and one of the first battery system output node and a second battery system output node, and controlled to be set either conductive or non-conductive; and a controller to control the battery actuator, the controller including a first input node receiving the second output voltage and a second input node connected to the second stack node, the controller to output a first switch signal via a first controller output node and a second switch signal via a second controller output node.Type: ApplicationFiled: February 2, 2021Publication date: August 12, 2021Inventors: Jürgen FRITZ, Markus PRETSCHUH
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Publication number: 20210217693Abstract: A power semiconductor device includes: a power semiconductor; a base metal sheet; and a flexible printed circuit board (PCB) between the base metal sheet and the power semiconductor. The power semiconductor includes a first power pad on a side facing the flexible PCB, and the flexible PCB includes a conductive pad, one side of which is electrically connected to the first power pad of the power semiconductor and the opposite side of which is electrically connected to the base metal sheet.Type: ApplicationFiled: January 12, 2021Publication date: July 15, 2021Inventors: Florian MAXL, Markus PRETSCHUH, Maximilian HOFER, Peter KURCIK
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Publication number: 20210141020Abstract: A sensor system for a battery module, includes: a shunt resistor including: a first current clamp and a second current clamp, each of the first and second current clamps to be connected to a current path of the battery module; a first voltage clamp and a second voltage clamp; and a measurement resistance between the first voltage clamp and the second voltage clamp, and electrically connected to the first current clamp and the second current clamp; a first landing pad electrically connected to the first voltage clamp; a second landing pad electrically connected to the second voltage clamp; a first temperature sensor connected to the first landing pad; and a second temperature sensor connected to the second landing pad.Type: ApplicationFiled: September 25, 2020Publication date: May 13, 2021Inventors: Maximilian HOFER, Markus PRETSCHUH
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Publication number: 20210143486Abstract: A control unit for a battery system, comprising: a microcontroller configured to generate a first control signal; a monitoring unit configured to generate a fault signal indicative of the operational state of the microcontroller; a first signal source configured to generate a state signal indicative of a system state; a comparator circuit configured to generate an intermediate control signal based on a first control signal and a fault signal; the comparator circuit further comprising a comparator node, the comparator circuit configured to transmit the intermediate control signal to the comparator node; wherein the first signal source is connected to the comparator node to transmit the state signal to the comparator node; the comparator circuit further comprises a comparator connected to the comparator node and configured to generate a switch control signal based on a voltage on the comparator node and based on a threshold voltage.Type: ApplicationFiled: October 19, 2020Publication date: May 13, 2021Inventors: Peter KURCIK, Markus PRETSCHUH, Maximilian HOFER
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Publication number: 20210126481Abstract: A power supply system for a battery system of a vehicle is provided. The power supply system includes: a switch control unit configured to control a power switch to switch an external load; an electronic unit; a first power supply electrically connected to the switch control unit and electrically connected to the electronic unit; a second power supply; and a switching unit. In a normal mode, the first power supply electrically supplies the electronic unit. The switching unit is configured to, in a cold crank mode: electrically disconnect the first power supply from the electronic unit when a voltage of the first power supply drops below a threshold voltage; and electrically connect the second power supply to the electronic unit when the voltage of the first power supply drops below the threshold voltage such that the second power supply powers the electronic unit in the cold crank mode.Type: ApplicationFiled: September 1, 2020Publication date: April 29, 2021Inventors: Peter KURCIK, Maximilian HOFER, Markus PRETSCHUH, Florian MAXL, Mathias PISCHLER
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Publication number: 20200020992Abstract: A control unit for a battery system includes a plurality of battery cells is provided. The control unit includes: an input node configured to receive a sensor signal indicative of a state of at least one of the plurality of battery cells; a microcontroller connected to the input node and configured to generate a first control signal based on the sensor signal; and a switch control circuit configured to control a power switch of the battery system by: receiving the sensor signal, the first control signal, and a fault signal indicative of an operational state of the microcontroller; generating a second control signal based on the sensor signal; and transmitting one of the first control signal and the second control signal to an output node of the control unit based on the received fault signal.Type: ApplicationFiled: March 27, 2019Publication date: January 16, 2020Inventors: Maximilian HOFER, Markus PRETSCHUH, Michael ERHART
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Patent number: 10410815Abstract: A driver circuit configured to control an operation of a relay includes: a voltage output electrically connected with the relay; a first voltage input selectively electrically connected to the voltage output; a buck boost converter including an input and a first output; and a system basis chip including an output terminal connected to the input of the buck boost converter and configured to provide a voltage. The first output of the buck boost converter is electrically connected to the first voltage input.Type: GrantFiled: June 21, 2017Date of Patent: September 10, 2019Assignee: Samsung SDI Co., Ltd.Inventors: Markus Pretschuh, Maximilian Hofer
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Publication number: 20190214606Abstract: A plurality of battery cells arranged as a cell stack with adjacent lateral walls forming a row includes a case including two lateral walls from among the lateral walls, and a cap assembly capping the case, and including a positive terminal and a negative terminal, and a solid state switch arranged as an element in the cell stack of battery cells and for switchably connect the battery module with an external power grid, the solid state switch including a switch circuit board including a power MOSFET for providing a power stage for performing switching, a back cover and a front cover, the back and front covers forming a housing of the solid state switch and including lateral walls in the same size and shape as the lateral walls of the case of each battery cell.Type: ApplicationFiled: June 26, 2018Publication date: July 11, 2019Inventors: Peter KURCIK, Maximilian HOFER, Helmut HAMMERSCHMIED, Markus PRETSCHUH
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Publication number: 20180122603Abstract: A driver circuit configured to control an operation of a relay includes: a voltage output electrically connected with the relay; a first voltage input selectively electrically connected to the voltage output; a buck boost converter including an input and a first output; and a system basis chip including an output terminal connected to the input of the buck boost converter and configured to provide a voltage. The first output of the buck boost converter is electrically connected to the first voltage input.Type: ApplicationFiled: June 21, 2017Publication date: May 3, 2018Inventors: Markus Pretschuh, Maximilian Hofer
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Publication number: 20150090789Abstract: A compensated antenna array (108) and an RFID system including the compensated antenna array are disclosed. The antenna array includes a first antenna (208) and a second antenna (204) where the first antenna is positioned within the second antenna and overlaps itself at least one point (216) such that at least some induced current in the first antenna is offset by at least some induced current in the second antenna and such that at least some induced current in the second antenna is enhanced at the at least one point of overlap.Type: ApplicationFiled: January 7, 2013Publication date: April 2, 2015Inventors: Jurgen Kastner, Hans-Juergen Pirch, Markus Pretschuh
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Patent number: D734194Type: GrantFiled: April 27, 2012Date of Patent: July 14, 2015Assignee: HID GLOBAL GMBHInventors: Jurgen Kastner, Markus Pretschuh