A 8-bit DPWM-based Analog Bypass Circuit and System for LED Matrix Headlamp in High-Voltage 180-nm CMOS Technology

Chae, Jonghyuk; Jeong, Jaehun; Park, Byeongha; Burm, Jinwook

doi:10.1109/ISOCC59558.2023.10396425

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A 8-bit DPWM-based Analog Bypass Circuit and System for LED Matrix Headlamp in High-Voltage 180-nm CMOS Technology

Chae, Jonghyuk;
Jeong, Jaehun;
Park, Byeongha;
Burm, Jinwook

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초록

This paper introduces a LED driver circuit and system that can bypass maximum 1A with 8-bit Digital Pulse Width Modulation (DPWM) generator. The proposed system is designed with TSMC High-Voltage CMOS technology. The system is divided into two parts. First, topology of LED Matrix system is introduced. Next, the analog bypass circuit which is designed based on gate driver circuit is dealt in this paper. The proposed system controls luminosity of 8 LEDs by 256 steps. The result of post-simulation is presented.

키워드

Headlamp; LED Matrix; Bypass Circuit; Gate Driver; Digital Pulse Width Modulation (DPWM); High-Voltage (HV)

제목: A 8-bit DPWM-based Analog Bypass Circuit and System for LED Matrix Headlamp in High-Voltage 180-nm CMOS Technology

저자: Chae, Jonghyuk; Jeong, Jaehun; Park, Byeongha; Burm, Jinwook

DOI: 10.1109/ISOCC59558.2023.10396425

발행일: 2023

유형: Proceedings Paper

저널명: 2023 20TH INTERNATIONAL SOC DESIGN CONFERENCE, ISOCC

페이지: 263 ~ 264