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1. 发明公开

EP4372342A1 TEMPERATURE SENSOR CALIBRATION FOR ELECTRONIC DEVICES 审中-公开
公开(公告)号：EP4372342A1
公开(公告)日：2024-05-22
申请号：EP22207466.8
申请日：2022-11-15
申请人： Tridonic GmbH & Co. KG
发明人： Romano, Fabio , Succavini, Lukas , Kucera, Clemens , Stark, Stefan , Auer, Hans
IPC分类号： G01K3/00 , G01K7/01 , G01K15/00
CPC分类号： G01K15/005 , G01K7/01 , G01K3/005
摘要： A calibration method for a temperature sensor of an electronic device, wherein the electronic device comprises a temperature sensor, an electronic circuit configured to emit a predetermined amount of heat, and a control circuit. The method comprises steps of determining (Si) a first parameter value of a parameter of the electronic device that is representative for a first temperature of the electronic device; controlling (S2, S3), by the control circuit, the electronic circuit to emit the predetermined amount of heat for a predetermined time; determining (S4) a second parameter value of a parameter of the electronic device that is representative for a second temperature of the electronic device after the predetermined time has elapsed, calculating (S5), by the control circuit a gradient based on the determined first parameter value, the determined second parameter value, the first temperature and the second temperature, and determining a gain error based on the calculated gradient.

2. 发明公开

EP4344040A1 POWER CONVERTER FOR AT LEAST ONE LED, AND LED DRIVER 审中-公开
公开(公告)号：EP4344040A1
公开(公告)日：2024-03-27
申请号：EP22196742.5
申请日：2022-09-21
申请人： Tridonic GmbH & Co. KG
发明人： Saccavini, Lukas , Romano, Fabio , Stark, Stefan , Auer, Hans , Kucera, Clemens
IPC分类号： H02M3/158 , H02M3/335
摘要： Disclosed is a power converter (1) for at least one light-emitting device, LED, comprising: an inductor (105), including inductively coupled main and auxiliary windings (1051, 1052); an ohmic resistor (111) and a shunt switch (112) being connected in series with the auxiliary winding (1052); and a control unit (113), being configured to actuate (23) the shunt switch (112) during a discharged state of the main winding (1051). This suppresses an undesired resonant oscillation in light-load conditions of the converter (1), and avoids more expensive EMI filtering.

3. 发明公开

EP4270757A1 CONTROL APPARATUS AND METHOD FOR CONTROLLING TWO SWITCHES OF A SYNCHRONOUS BUCK CONVERTER 审中-公开
公开(公告)号：EP4270757A1
公开(公告)日：2023-11-01
申请号：EP22170490.1
申请日：2022-04-28
申请人： Tridonic GmbH & Co. KG
发明人： Saccavini, Lukas , Romano, Fabio , Kucera, Clemens
IPC分类号： H02M3/157 , H02M3/158 , H02M1/15 , H05B45/59 , H05B45/375
摘要： The invention relates to a control apparatus for controlling two switches of a synchronous buck converter. The control apparatus is configured to receive a measurement signal of an inductor current flowing through an inductor of the synchronous buck converter, compare the measurement signal with an upper threshold and a lower threshold, determine a first point in time at which the measurement signal reaches or exceeds the upper threshold and a second point in time at which the measurement signal reaches or falls below the lower threshold, and control at least one of the two switches to switch at a third point in time or a fourth point in time. The third point in time is equal to the first point in time delayed by a first variable delay time. The fourth point in time is equal to the second point in time delayed by a second variable delay time.

4. 发明公开

EP3907871A1 RESONANT HALF-BRIDGE CONVERTER WITH ADAPTIVE DEAD-TIME 审中-实审
公开(公告)号：EP3907871A1
公开(公告)日：2021-11-10
申请号：EP20172881.3
申请日：2020-05-05
申请人： Tridonic GmbH & Co. KG
发明人： Stark, Stefan , Kucera, Clemens , Netzer, Harald
IPC分类号： H02M1/38 , H02M3/335 , H02M1/00
摘要： A converter (1) for supplying a load (4) is provided. The converter (1) comprises a half bridge (6). The converter (1) moreover comprises a capacitive current compensation circuit (10), which is configured to adjust a dead time of the half bridge (6), in order to prevent capacitive current. The capacitive current compensation circuit (10) moreover comprises a capacitive current compensation activation circuit (13), configured to selectively activate and deactivate the adjusting of the dead time of the half bridge (6), based on an operation state of the converter (1) and/or a statistical analysis of an occurrence of capacitive current events.

5. 发明公开

EP4373214A1 OUTPUT OF MULTIBIT DATA FOR INTEGRATED CIRCUITS 审中-公开
公开(公告)号：EP4373214A1
公开(公告)日：2024-05-22
申请号：EP22207456.9
申请日：2022-11-15
申请人： Tridonic GmbH & Co. KG
发明人： Romano, Fabio , Kucera, Clemens , Stark, Stefan
IPC分类号： H05B45/00 , H05B45/30
CPC分类号： H05B47/105
摘要： An integrated circuit (2) comprises a register (11) configured to store data comprising plural data bits (9), and a data interface (10) configured to output the data (6) comprising plural data bits. The data interface comprises data converting means (7) configured to convert the data comprising plural data bits (9) into one of an analogue voltage value (6) or a pulse-width modulated output signal (fig. 3. 26) or a digital data stream (fig. 4: 36). The data interface () 10is configured to provide the analogue voltage value (6), or the pulse-width modulated output signal (fig. 3: 26) or the digital data stream (fig. 3: 36), continuously at an output connection (4) of the data interface.
The data interface (10) may comprise a digital-to-analogue converter circuit (7) of the data converting means configured to convert the data comprising plural data bits (9) into the analogue value (6). The data interface may comprise in the data converting means a pulse-width modulating circuit (fig. 2: 20) configured to generate a pulse-width modulated output signal (fig. 2: 26) based on the data comprising plural data bits stored in the register (11). The data interface may comprise in the data converting means a converter circuit (fig. 4: 37) configured to generate a synchronized data stream (fig. 4: 36) including a sequence of bits (fig. 4. 36) based on the data comprising plural data bits (9) stored in the register (11).

6. 发明公开

EP3823421A1 LED-DRIVER WITH PFC AND WIRED BUS INTERFACE 有权
公开(公告)号：EP3823421A1
公开(公告)日：2021-05-19
申请号：EP19209179.1
申请日：2019-11-14
申请人： Tridonic GmbH & Co KG
发明人： Auer, Hans , Kucera, Clemens , Saccavini, Lukas , Stark, Stefan
IPC分类号： H05B47/175
摘要： The invention relates to an LED-driver, comprising an actively switched PFC circuitry and a bus interface for a wire-bound bus, wherein a voltage supply for the bus interface for powering the bus is tapped off the output voltage of the active PFC circuitry, further comprising a control circuitry for a feedback control of an output voltage of the actively switched PFC by controlling a switch of the PFC, wherein the time constant of the feedback control of the control circuitry is faster during time periods in which the bus interface is transmitting or receiving signals, compared to time periods without activity.

7. 发明公开

EP4271136A1 LED DRIVER WITH SELF-TEST CAPABILITIES 审中-公开
公开(公告)号：EP4271136A1
公开(公告)日：2023-11-01
申请号：EP22170538.7
申请日：2022-04-28
申请人： Tridonic GmbH & Co. KG
发明人： Schmölzer, Andreas , Zengerle, Thomas , Klein, Tobias , Carracedo Cordovilla, Luis Javier , Hüttinger, Ulrich , Saccavini, Lukas , Romano, Fabio , Auer, Hans , Stark, Stefan , Kucera, Clemens
IPC分类号： H05B45/50
摘要： A driver device comprises a converter circuit configured to generate and output a load current for driving an electric load and a control circuit configured to control operation of the converter circuit. The control circuit is configured to perform a functional test for testing electronic circuitry of the driver device that includes the converter circuit. The driver device may be a light driver device, preferably for proving the load current to a LED lighting device. The control circuit is configured to perform the functional test by executing a test routine for testing at least one electrical parameters of the driver device.

8. 发明公开

EP4271135A1 LED-DRIVER WITH ANOMALY DETECTION CAPABILITIES 审中-公开
公开(公告)号：EP4271135A1
公开(公告)日：2023-11-01
申请号：EP22169896.2
申请日：2022-04-26
申请人： Tridonic GmbH & Co. KG
发明人： Schmölzer, Andreas , Zengerle, Thomas , Klein, Tobias , Carracedo Cordovilla, Luis Javier , Hüttinger, Ulrich , Saccavini, Lukas , Romano, Fabio , Auer, Hans , Stark, Stefan , Kucera, Clemens
IPC分类号： H05B45/50 , H05B45/58 , G05B23/02 , H05B47/20 , H05B47/21
摘要： The invention concerns a method for detecting anomalous events in a driver device of a building infrastructure system, a corresponding driver device, e.g. a light driver device, and a building infrastructure system. The method comprises, in a usage profile generating phase, obtaining parameter data for at least one physical parameter of the driver device during operation of the driver device in the building infrastructure system during a predefined time period; and generating a usage profile for the driver device based on the obtained parameter data. The generated usage profile includes characteristic parameter ranges for the at least one physical parameter determined based on the obtained parameter data. In a subsequent monitoring phase, the method obtains current parameter data for the at least one physical parameter of the driver device, then determines whether an anomalous event in the driver device has occurred by comparing the obtained current parameter data with the usage profile of the driver device. The method generates and outputs a signal generated based on the determined anomalous event.

9. 发明公开

EP4287779A1 METHOD FOR OPERATING AN LED CONVERTER AND LED CONVERTER 审中-公开
公开(公告)号：EP4287779A1
公开(公告)日：2023-12-06
申请号：EP22176366.7
申请日：2022-05-31
申请人： Tridonic GmbH & Co. KG
发明人： Auer, Hans , Kucera, Clemens , Romano, Fabio , Saccavini, Lukas , Stark, Stefan
IPC分类号： H05B45/50 , H05B47/24 , H05B47/18 , H05B45/355
摘要： A method for operating an LED converter (1) which is connected to a power supply via a mains input (10) and to an LED light source (50) via a load connection (30) is provided, wherein the method comprises: determining, by the LED converter (1), whether a fault condition occurs during operation of the LED converter (1); in case a fault condition is determined, operating the LED converter (1) in a safe operating mode.

10. 发明公开

EP4221465A1 TOPOLOGY-INDEPENDENT SWITCHING REGULATOR CIRCUIT, SWITCH MODE DRIVER, AND LUMINAIRE 审中-实审
公开(公告)号：EP4221465A1
公开(公告)日：2023-08-02
申请号：EP22154142.8
申请日：2022-01-31
申请人： Tridonic GmbH & Co KG
发明人： Saccavini, Lukas , Auer, Hans , Romano, Fabio , Stark, Stefan , Kucera, Clemens
IPC分类号： H05B45/3725 , H05B47/165
摘要： Disclosed is an integrated circuit, IC (1), for switching regulation of switch mode drivers (2) of various driver topologies is provided. The IC (1) comprises a state machine (11) including a finite plurality of states (Sx). A quantity of the plurality of states (Sx) is adaptable to a designated driver topology (21) of the various driver topologies. A behavior of the plurality of states (Sx) is adaptable to the designated driver topology (21) via respective state registers (111) in terms of: at least one action (1111) being executed in the respective state, and at least one transition from the respective state to a subsequent state of the plurality of states (Sx) according to an associated stimulus. Its general suitability for various driver topologies renders the IC future-proof and long-lived.

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