公开(公告)号：US11420533B2

公开(公告)日：2022-08-23

申请号：US17208279

申请日：2021-03-22

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Jürgen Fritz ,  Peter Kurcik

IPC: B60L50/60 ,  B60L58/18 ,  H02M3/335

Abstract: A battery system for an electric vehicle, including: a high voltage (HV) battery subsystem including a battery cell stack with battery cells electrically connected between stack nodes; a low voltage (LV) battery subsystem including a LV battery and a supply node connectFed to the LV battery; a DC/DC converter with a primary coil in the HV battery subsystem and a secondary coil in the LV battery subsystem, wherein the primary coil is connected to one of the stack nodes via a switch. A threshold signal indicative of a voltage at the supply node may be generated in the LV battery subsystem and may be transmitted to the HV battery system. A state of the switch may be controlled based on the threshold signal.

公开(公告)号：US11063460B2

公开(公告)日：2021-07-13

申请号：US16420027

申请日：2019-05-22

Applicant: Samsung SDI Co., Ltd.

Inventor： Maximilian Hofer ,  Stefan Doczy ,  Michael Haindl ,  Gerald Richter ,  Birgit Weissensteiner ,  Peter Kurcik ,  Manfred Marchl

IPC: H02J7/00 ,  H02J7/02 ,  H01M50/20

Abstract: A battery system includes: a plurality of battery cells electrically connected to each other in series between a first node and a second node; an intermediate node dividing the plurality of battery cells into a first subset of battery cells and a second subset of battery cells; a step-down converter connected in parallel with the plurality of battery cells between the first node and the second node and having an output node; a first diode, an anode of which is connected to the intermediate node and a cathode of which is connected to the output node; and a control unit interconnected between the output node and the first node and configured to control the step-down converter.

公开(公告)号：US12191774B2

公开(公告)日：2025-01-07

申请号：US17845330

申请日：2022-06-21

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Matthias Flatscher ,  Peter Kurcik

IPC: B60R16/02 ,  B60L50/60 ,  B60L58/18 ,  B60R16/03 ,  B60R16/033 ,  H02J7/00 ,  H02M3/335

Abstract: A bidirectional power supply system receives power from a low voltage (LV) primary power supply, providing power to a control unit of a LV board net in a first mode of operation. A high voltage (HV) board net is coupled to a HV traction battery. A DC-DC converter, in the first mode, transfers energy from the LV board net to the HV board net to power components of the HV board net via the primary power supply, and, in a second mode of operation, transfers energy from the HV board net to the LV board net to power the control unit via the traction battery. The bidirectional power supply system includes a measurement element to detect whether the primary power supply is lost, and a switching element to switch operation of the DC-DC converter from the first mode to the second mode, when the primary power supply is lost.

公开(公告)号：US11776890B2

公开(公告)日：2023-10-03

申请号：US17146785

申请日：2021-01-12

Applicant: Samsung SDI Co., Ltd.

Inventor： Florian Maxl ,  Markus Pretschuh ,  Maximilian Hofer ,  Peter Kurcik

IPC: H01L23/498 ,  H01L25/065 ,  H01L23/367 ,  B60L58/10 ,  B60K6/28 ,  H01L23/538 ,  H01L23/373 ,  H01L23/36 ,  H01L23/492

CPC classification number: H01L23/49844 ,  B60K6/28 ,  B60L58/10 ,  H01L23/36 ,  H01L23/367 ,  H01L23/373 ,  H01L23/492 ,  H01L23/4985 ,  H01L23/5385 ,  H01L25/0655 ,  B60Y2200/91 ,  B60Y2200/92

Abstract: 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.

公开(公告)号：US11714111B2

公开(公告)日：2023-08-01

申请号：US17591489

申请日：2022-02-02

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Jürgen Fritz ,  Peter Kurcik ,  Harald Reiter

IPC: G01R27/02 ,  G01R27/14

CPC classification number: G01R27/025 ,  G01R27/14

Abstract: An electric circuit according to an embodiment of the present disclosure includes only a single amperemeter configured to measure either a positive current or a negative current through a respective measurement resistance between a respective high voltage potential and a common ground potential. The respective actual measurement resistance value of the unmeasured measurement resistance is calculated by applying a respectively calculated actual measurement resistance value of the respective measured measurement resistance, a calculated actual positive isolation resistance value, and a calculated negative isolation resistance value.

公开(公告)号：US11444337B2

公开(公告)日：2022-09-13

申请号：US16815752

申请日：2020-03-11

Applicant: Samsung SDI Co., Ltd.

Inventor： Peter Kurcik ,  Maximilian Hofer

IPC: H01M4/02 ,  H01M10/42 ,  H03K17/0814 ,  B60L3/04

Abstract: In a solid state switch (SSS) driver circuit for controlling a solid state switch operated as high side switch between a battery cell stack and a load, the SSS driver circuit includes: a voltage generation circuit; a switch off circuit; and a switch controller connected to a first output node and to a second output node, wherein the switch controller is configured to: receive a ground voltage via a third ground node, and a fourth control signal; and connect the first output node and a gate node of the solid state switch according to the fourth control signal.

公开(公告)号：US20250096556A1

公开(公告)日：2025-03-20

申请号：US18829878

申请日：2024-09-10

Applicant: Samsung SDI Co., Ltd.

Inventor： Peter Kurcik ,  Jürgen Fritz

IPC: H02H7/12 ,  H02H1/00

Abstract: In particular, the present disclosure relates to an HV side-based overcurrent and overvoltage protection circuit for an HV DC/DC flyback switching power supply, which is powered from the HV peaks produced by the switching of the HV DC/DC flyback switching power supply. According to one aspect of the present disclosure, the protection circuit comprises a protection circuit transistor located on an HV input side) of the HV DC/DC flyback switching power supply; a rectifying diode, wherein the rectifying diode is configured for rectifying voltage peaks caused by the inductance of a primary inductor on the HV input side to power the protection circuit; and a sensing block configured to detect an electrical failure on the HV input side.

公开(公告)号：US11596059B2

公开(公告)日：2023-02-28

申请号：US16744779

申请日：2020-01-16

Applicant: Samsung SDI Co., Ltd.

Inventor： Peter Kurcik ,  Thomas Korherr ,  Birgit Weissensteiner

IPC: G01R31/00 ,  H05K1/02 ,  H05K1/18 ,  H01M10/42 ,  H01M10/48 ,  G01R19/00 ,  H05K1/11

Abstract: A circuit carrier is configured to be mounted to a battery system. The circuit carrier includes a circuit carrier board having a first region, a second region, and a third region. The first region is configured to receive a shunt resistor, the third region is configured to receive further electronic components, and the first region and the third region being separated from each other by the second region. The second region is a flexible connection between the first region and the third region and includes a spring-like structure formed from the circuit carrier board.

公开(公告)号：US11495836B2

公开(公告)日：2022-11-08

申请号：US17074517

申请日：2020-10-19

Applicant: Samsung SDI Co., Ltd.

Inventor： Peter Kurcik ,  Markus Pretschuh ,  Maximilian Hofer

IPC: H02J7/00 ,  H01M10/42 ,  G01R31/3842

Abstract: 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.

公开(公告)号：US11476690B2

公开(公告)日：2022-10-18

申请号：US17009325

申请日：2020-09-01

Applicant: Samsung SDI Co., Ltd.

Inventor： Peter Kurcik ,  Maximilian Hofer ,  Markus Pretschuh ,  Florian Maxl ,  Mathias Pischler

IPC: H02J7/00 ,  H02J7/14 ,  H01M10/44 ,  B60L58/18

Abstract: 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.