公开(公告)号：US20180270996A1

公开(公告)日：2018-09-20

申请号：US15982534

申请日：2018-05-17

Applicant: STMicroelectronics Application GMBH ,  STMicroelectronics S.r.l.

Inventor： Domenico Massimo Porto ,  Giovanni Luca Torrisi ,  Manuel Gaertner ,  Sergio Lecce

IPC: H05K7/20 ,  H01L23/34 ,  H03K17/08

CPC classification number: H05K7/20945 ,  H01L23/34 ,  H01L2924/0002 ,  H03K2017/0806 ,  Y10T307/773 ,  H01L2924/00

Abstract: A thermal control process for an electronic power device including a multi junction integrated circuit may include defining a first and at least one second groups of junctions, with each group including one first and at least one second junctions, and associating a thermal detector with each group. A first group control may be executed which detects group electric signals representative of the temperature detected by the thermal detectors, processes the group electric signals with reference to a group critical thermal event, identifies a critical group when the corresponding group electric signal detects the critical group thermal event, and generates group deactivating signals suitable for selectively deactivating the first and the at least one second junctions of the identified critical group with respect to the remaining junctions of the integrated circuit.

公开(公告)号：US09929556B2

公开(公告)日：2018-03-27

申请号：US14753103

申请日：2015-06-29

Applicant: STMICROELECTRONICS S.r.l.

Inventor： Vanni Poletto ,  Manuel Gaertner ,  Sergio Lecce ,  Giovanni Luca Torrisi

IPC: H02H3/05 ,  H02H7/085 ,  H02H7/09 ,  H03K19/007 ,  H02H7/08

CPC classification number: H02H3/05 ,  H02H7/0844 ,  H02H7/0851 ,  H02H7/0852 ,  H02H7/09 ,  H03K19/007

Abstract: A fail-safe device may be coupled to a main device for actuating a switch responsive to a failure. The fail-safe device may include a fail-safe circuit, and an isolation trench surrounding the fail-safe circuit and isolating the fail-safe circuit from the main device. The fail-safe device may include an internal power supply connection, an internal reference voltage connection, a self-biased drive block configured to drive the at least one switch, and a receiver configured to receive failure signals from the main device.

公开(公告)号：US20170188419A1

公开(公告)日：2017-06-29

申请号：US15216561

申请日：2016-07-21

Applicant: STMicroelectronics S.r.l ,  STMicroelectronics Application GMBH

Inventor： Manuel Gaertner ,  Sergio Lecce ,  Giovanni Luca Torrisi

IPC: H05B33/08

CPC classification number: H05B33/0809 ,  B60Q1/1407 ,  B60Q11/005 ,  H05B33/083 ,  H05B33/0845 ,  H05B33/0848

Abstract: An integrated device for driving a lighting load, such as a LED, has a first memory element, configured to store a nominal duty-cycle at a nominal supply voltage. An actual voltage acquisition element is configured to detect an actual supply voltage. A processing unit is coupled to the first memory element and to the actual voltage acquisition element and configured to calculate a voltage compensated duty-cycle. A driver unit is coupled to the processing unit and is configured to be supplied according to the voltage compensated duty-cycle.