Design of' a MOSFET bypass switch for individual pixel control in a matrix LED headlamp application

A low-cost, high performance solution for single LED control in a matrix LED configuration is presented in this paper. The integrated solutions on the chip market are evaluated and an improved discrete, robust LED bypass circuit is designed und simulated. A complex prototype PCB with the proposed LE...

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Bibliographic Details
Published in2017 XXVI International Scientific Conference Electronics (ET) pp. 1 - 4
Main Author Kovatchev, Emil
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.09.2017
Subjects
Capacitors
Field effect transistors
LED Bypass
LED Driver
LED Matrix
Level Shifter
Light emitting diodes
Logic gates
Pulse width modulation
Single LED Diagnostics
Switches
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Summary:A low-cost, high performance solution for single LED control in a matrix LED configuration is presented in this paper. The integrated solutions on the chip market are evaluated and an improved discrete, robust LED bypass circuit is designed und simulated. A complex prototype PCB with the proposed LED bypass circuit has been designed and thoroughly investigated. The performance of the proposed LED bypass solution has been evaluated in terms of speed, resolution and power losses.
DOI:10.1109/ET.2017.8124358