Mitigation of ignition current spike causing from forward bias drift for laser diode driver

Kai Jun Pai*

*此作品的通信作者

研究成果: 書貢獻/報告類型會議論文篇章

摘要

Using a DC-DC converter, a safety standard circuit, and a feedback controller, a laser diode driver was developed and implemented in this study. For both step-up and step-down operating modes, a two-switch two-diode buck-boost converter was employed as the power stage of the laser control driver. On account of the operating ambient temperature can cause forward bias drift on the laser diode; hence, a laser control driver with the feedback controller can ballast the driving current of the laser diode, and further to deal with forward bias drift for the laser diode. During the start-up phase and under a high OAT, a current spike occurs when the DC-DC converter operation changes to the constant-current output mode. To solve the current spike problem, a proportional shifting proportional-integral control method was employed to apply in the current-feedback controller, achieving mitigation of ignition current spike.

原文英語
主出版物標題2019 IEEE Milan PowerTech, PowerTech 2019
發行者Institute of Electrical and Electronics Engineers Inc.
ISBN(電子)9781538647226
DOIs
出版狀態已發佈 - 2019 6月
對外發佈
事件2019 IEEE Milan PowerTech, PowerTech 2019 - Milan, 意大利
持續時間: 2019 6月 232019 6月 27

出版系列

名字2019 IEEE Milan PowerTech, PowerTech 2019

會議

會議2019 IEEE Milan PowerTech, PowerTech 2019
國家/地區意大利
城市Milan
期間2019/06/232019/06/27

ASJC Scopus subject areas

  • 電腦網路與通信
  • 能源工程與電力技術
  • 可再生能源、永續發展與環境
  • 安全、風險、可靠性和品質

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