IT1399835B1 - Metodo automatico per rilevare condizioni di corto circuito e di circuito aperto sull'uscita di un driver led - Google Patents

Metodo automatico per rilevare condizioni di corto circuito e di circuito aperto sull'uscita di un driver led

Info

Publication number
IT1399835B1
IT1399835B1 ITVI2010A000081A ITVI20100081A IT1399835B1 IT 1399835 B1 IT1399835 B1 IT 1399835B1 IT VI2010A000081 A ITVI2010A000081 A IT VI2010A000081A IT VI20100081 A ITVI20100081 A IT VI20100081A IT 1399835 B1 IT1399835 B1 IT 1399835B1
Authority
IT
Italy
Prior art keywords
output
circuit
led driver
automatic method
detect conditions
Prior art date
Application number
ITVI2010A000081A
Other languages
English (en)
Inventor
Sergio Castiglia
Rosa Roberto La
Original Assignee
St Microelectronics Srl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by St Microelectronics Srl filed Critical St Microelectronics Srl
Priority to ITVI2010A000081A priority Critical patent/IT1399835B1/it
Priority to US13/047,299 priority patent/US8786195B2/en
Publication of ITVI20100081A1 publication Critical patent/ITVI20100081A1/it
Application granted granted Critical
Publication of IT1399835B1 publication Critical patent/IT1399835B1/it

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
ITVI2010A000081A 2010-03-23 2010-03-23 Metodo automatico per rilevare condizioni di corto circuito e di circuito aperto sull'uscita di un driver led IT1399835B1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITVI2010A000081A IT1399835B1 (it) 2010-03-23 2010-03-23 Metodo automatico per rilevare condizioni di corto circuito e di circuito aperto sull'uscita di un driver led
US13/047,299 US8786195B2 (en) 2010-03-23 2011-03-14 Automatic method to detect short and open conditions on the outputs of a LED driver device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITVI2010A000081A IT1399835B1 (it) 2010-03-23 2010-03-23 Metodo automatico per rilevare condizioni di corto circuito e di circuito aperto sull'uscita di un driver led

Publications (2)

Publication Number Publication Date
ITVI20100081A1 ITVI20100081A1 (it) 2011-09-24
IT1399835B1 true IT1399835B1 (it) 2013-05-03

Family

ID=43037633

Family Applications (1)

Application Number Title Priority Date Filing Date
ITVI2010A000081A IT1399835B1 (it) 2010-03-23 2010-03-23 Metodo automatico per rilevare condizioni di corto circuito e di circuito aperto sull'uscita di un driver led

Country Status (2)

Country Link
US (1) US8786195B2 (it)
IT (1) IT1399835B1 (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2739119B1 (en) 2012-11-30 2015-08-19 Dialog Semiconductor GmbH Short circuit detection for lighting circuits
US11467211B2 (en) 2016-06-01 2022-10-11 Signify Holding B.V. Error detection on integrated circuit input/output pins
WO2017207352A1 (en) * 2016-06-01 2017-12-07 Philips Lighting Holding B.V. Error detection on integrated circuit input/output pins
CN110178445B (zh) 2017-01-23 2022-10-21 昕诺飞控股有限公司 用于确定可调光脉冲led灯串的健康状态的系统和方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4924177A (en) * 1983-04-29 1990-05-08 Mulz Robert H Tester for solid state electronic components
US4563641A (en) * 1983-11-09 1986-01-07 The United States Of America As Represented By The Secretary Of The Air Force Radiation upset threshold detector apparatus
US4691143A (en) * 1986-09-05 1987-09-01 Aero-Metric General, Inc. Circuit status indicating device with improved switch on/off detection capability
US6426593B1 (en) * 2000-07-31 2002-07-30 Hewlett-Packard Co. Method and apparatus for illuminating two dependent indicators with a single output pin
TW525255B (en) * 2002-02-22 2003-03-21 Winbond Electronics Corp Hand tester of testing machine platen and testing method
US6967445B1 (en) * 2004-04-19 2005-11-22 Jewell Dan J Circuit continuity and function monitor
JP4398411B2 (ja) * 2005-07-12 2010-01-13 株式会社小糸製作所 車両用灯具の点灯制御装置
US7652480B2 (en) * 2007-04-26 2010-01-26 General Electric Company Methods and systems for testing a functional status of a light unit
US20090167329A1 (en) * 2007-12-31 2009-07-02 Texas Instruments Incorporated Methods and apparatus for open lamp detection in electronic circuits
JP2009184592A (ja) * 2008-02-08 2009-08-20 Koito Mfg Co Ltd 車両用灯具の点灯制御装置

Also Published As

Publication number Publication date
ITVI20100081A1 (it) 2011-09-24
US20110234105A1 (en) 2011-09-29
US8786195B2 (en) 2014-07-22

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