Method of Single Event Effects Radiation Hardened Design for DC-DC Converter Based Load Transient Detection

GUO Zhongjie; LIU Nan; LU Hu; LI Mengli; QIU Ziyi

doi:10.23919/cje.2022.00.442

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Zhongjie GUO, Nan LIU, Hu LU, et al., “Method of Single Event Effects Radiation Hardened Design for DC-DC Converter Based Load Transient Detection,” Chinese Journal of Electronics, vol. 33, no. 4, pp. 1–10, 2024 doi: 10.23919/cje.2022.00.442

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Zhongjie GUO, Nan LIU, Hu LU, et al., “Method of Single Event Effects Radiation Hardened Design for DC-DC Converter Based Load Transient Detection,” Chinese Journal of Electronics, vol. 33, no. 4, pp. 1–10, 2024 doi: 10.23919/cje.2022.00.442

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Method of Single Event Effects Radiation Hardened Design for DC-DC Converter Based Load Transient Detection

doi: 10.23919/cje.2022.00.442

1.
School of Automation and Information Engineering, Xi’an University of Technology, Xi’an, Shaanxi 710048,China

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Author Bio:
Zhongjie GUO received the B.S. and M.S. degrees from Xidian University, China, in 2004 and 2007, respectively, and Ph.D. degree in microelectronics engineering from Xi’an Microelectronic Technology Institute, China, in 2012. His current research interests include high performance mixed signal integration circuit design. (Email: zjguo@xaut.edu.cn)

Nan LIU a M.S. candidate in Xi’an University of Technology. His current research interests include high performance mixed signal integration circuit design. (Email: liunan@stu.xaut.edu.cn)

Hu LU is a M.S. candidate in Xi’an University of Technology. His current research interests include high performance mixed signal integration circuit design. (Email: luhu@stu.xaut.edu.cn)

Mengli LI is a M.S. candidate in Xi’an University of Technology. His current research interests include high performance mixed signal integration circuit design. (Email: limengli@stu.xaut.edu.cn)

Ziyi QIU is a M.S. candidate in Xi’an University of Technology. His current research interests include high performance mixed signal integration circuit design. (Email: zyqiu@stu.xaut.edu.cn)
Corresponding author: Email: zjguo@xaut.edu.cn
Received Date: 2022-12-20
Accepted Date: 2023-06-26

Available Online: 2023-09-12

Abstract

Abstract

Aiming at the impact of load current change on single-event transient, the essential difference between single-event transient and load transient of DC-DC converter is deeply studied. A hardened circuit based on load transient detection is proposed. The circuit detects the load transient information in time and outputs a control signal to control the single event hardened circuit, thereby realizing the improvement of the transient characteristics of the system under dynamic conditions. Based on the 180nm BCD process, the design and physical verification of a Boost converter are completed. The experimental results show that the input voltage range is 2.9~4.5V, the output voltage range is 5.8~7.9V, and the load current is 0~55 mA. During load transients, the load detection circuit turns off the hardened circuit in time, avoiding system oscillation and widening the dynamic range of the hardening circuit. Under the single event transient, the output voltage fluctuation of the system does not exceed the maximum ripple voltage, and the single event transient suppression ability reaches more than 86%, the system can work well with linear energy transient of about 100 MeV·cm²/mg.
- DC-DC converter,
- Analog single event transient effect,
- Load transient detection,
- Radiation hardened by design

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References(16)

References

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