公开(公告)号：US20230199928A1

公开(公告)日：2023-06-22

申请号：US17645282

申请日：2021-12-20

Applicant: Infineon Technologies AG

Inventor： Sang Min Lee ,  Michael Schrodi ,  Davide Ghedin ,  Fausto Borghetti ,  Alberto Trentin

IPC: H05B45/37

CPC classification number: H05B45/37

Abstract: A device is configured to determine a switching pattern comprising a first time range for activating a first plurality of light emitting diodes (LEDs) of a LED module and a second time range for activating a second plurality of LEDs of the LED module. The first plurality of LEDs and the second plurality of LEDs are different. The device is further configured to determine, for each LED of the first plurality of LEDs, a respective timeslot of a plurality of timeslots of the first time range. The device is further configured to output an instruction to a switching device to cause the switching device to couple each LED of the first plurality of LEDs to a supply during the respective timeslot determined for the LED.

公开(公告)号：US11051384B1

公开(公告)日：2021-06-29

申请号：US16999169

申请日：2020-08-21

Applicant: Infineon Technologies AG

Inventor： Fausto Borghetti ,  Hector Moreno

IPC: H05B45/54 ,  H05B45/44

Abstract: This disclosure is directed to circuits for controlling voltage from a voltage source to one or more light emitting diodes. The circuit includes a first transistor comprising a power switch that is configured to define a load current path from the voltage source to the one or more light emitting diodes. The circuit also includes a second transistor, which can be controlled based on the light emitting diodes, wherein the second transistor is configured to turn off when one or more of the lights emitting diodes exhibit an electoral short. The first transistor is configured to turn off in response to the second transistor turning off so as to provide short circuit protection for the circuit.

公开(公告)号：US12004275B2

公开(公告)日：2024-06-04

申请号：US17645282

申请日：2021-12-20

Applicant: Infineon Technologies AG

Inventor： Sang Min Lee ,  Michael Schrodi ,  Davide Ghedin ,  Fausto Borghetti ,  Alberto Trentin

IPC: H05B45/3725 ,  H05B45/00 ,  H05B45/37

CPC classification number: H05B45/37

Abstract: A device is configured to determine a switching pattern comprising a first time range for activating a first plurality of light emitting diodes (LEDs) of a LED module and a second time range for activating a second plurality of LEDs of the LED module. The first plurality of LEDs and the second plurality of LEDs are different. The device is further configured to determine, for each LED of the first plurality of LEDs, a respective timeslot of a plurality of timeslots of the first time range. The device is further configured to output an instruction to a switching device to cause the switching device to couple each LED of the first plurality of LEDs to a supply during the respective timeslot determined for the LED.

公开(公告)号：US20240040684A1

公开(公告)日：2024-02-01

申请号：US18361044

申请日：2023-07-28

Applicant: Infineon Technologies AG

Inventor： Ramdas Rangnath Ugale ,  Fausto Borghetti ,  Stephan Cordes

IPC: H05B45/54 ,  H05B45/3725

CPC classification number: H05B45/54 ,  H05B45/3725

Abstract: A light control module (LCM) in accordance with one embodiment, includes terminals configured to receive a supply voltage, and a switching converter configured to receive the supply voltage and to provide an output voltage at an output node, wherein the output voltage and the supply voltage have different polarities. Further, the LCM includes an output terminal coupled to the output node of the switching converter and configured to sink a load current from a LED module.

公开(公告)号：US20250119133A1

公开(公告)日：2025-04-10

申请号：US18482622

申请日：2023-10-06

Applicant: Infineon Technologies AG

Inventor： Alberto Trentin ,  Fausto Borghetti

IPC: H03K17/042 ,  H03K17/06 ,  H03K17/687

Abstract: A power control circuit includes an input connection, an output connection, and a current sensor configured to generate a power signal corresponding to an electrical signal delivered from a power source to a load. The power control circuit is configured to receive, from a controller via the input connection, a control signal comprising a sequence of control signal pulses occurring at a control signal frequency and generate an output signal based on the power signal, the sequence of control signal pulses, and the control signal frequency. The power control circuit is configured to deliver, via the output connection, the output signal to control a gate driver circuit to manage the power signal delivered from the power source to the load.

公开(公告)号：US10321539B1

公开(公告)日：2019-06-11

申请号：US15980569

申请日：2018-05-15

Applicant: Infineon Technologies AG

Inventor： Fausto Borghetti ,  Fabio Fragiacomo ,  Davide Ghedin

IPC: G05F1/00 ,  H05B41/14 ,  H05B33/08 ,  H02J7/00

Abstract: In an example, a circuit includes one or more switches, wherein the circuit is configured to receive a battery voltage from a battery, deliver an input voltage to a controller, deliver an output voltage, and receive signals from the controller. The signals may activate the one or more switches and deactivate the one or more switches and activating the one or more switches and deactivating the one or more switches may control the input voltage to the controller.