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A Reconfigurable Dual-Mode Integrated CMOS Laser Diode Driver for iToF/dToF Based 3D Sensing

  • Ruixuan Yang
  • , Yuye Yang
  • , Shuaizhe Ma
  • , Bing Zhang
  • , Dan Li
  • Xi'an Jiaotong University

科研成果: 书/报告/会议事项章节 › 会议稿件 › 同行评审

3 引用 (Scopus)

摘要

A reconfigurable dual-mode laser diode driver has been designed in a standard 180-nm CMOS process for iToF(indirect Time-of-Flight) and dToF (direct Time-of-Flight) based 3D sensing. A reconfigurable and power-efficient driver output stage is proposed, which enables both iToF and dToF operation. In iToF mode, the driver produces a maximum output current of 4.2 A with 50% duty cycle. A ringing suppression circuit is also introduced to reduce the undesired ringing at the end of each pulse. In dToF mode, the driver generates a 3.8-A peak pulse with a minimum pulse width of 737 ps. The output efficiency is 87% in iToF mode and 92% in dToF mode with 4-A output current. To the authors' knowledge, this is the first reconfigurable dual-mode laser diode driver compatible with both iToF and dToF LiDAR systems.

源语言英语
主期刊名PRIME 2023 - 18th International Conference on Ph.D Research in Microelectronics and Electronics, Proceedings
出版商Institute of Electrical and Electronics Engineers Inc.
页313-316
页数4
ISBN(电子版)9798350303209
DOI
出版状态已出版 - 2023
活动18th International Conference on Ph.D Research in Microelectronics and Electronics, PRIME 2023 - Valencia, 西班牙
期限: 18 6月 2023 → 21 6月 2023

丛书

姓名PRIME 2023 - 18th International Conference on Ph.D Research in Microelectronics and Electronics, Proceedings

会议

会议18th International Conference on Ph.D Research in Microelectronics and Electronics, PRIME 2023
国家/地区西班牙
市Valencia
时期18/06/23 → 21/06/23

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