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A Temporal Interference Stimulation Driver IC with Unified Source and Sink Current Capability
- Authors
- 김종석
- Issue Date
- Oct-2025
- Publisher
- 반도체설계교육센터
- Citation
- IDEC Journal of Integrated Circuits and Systems, v.11, no.4, pp 39 - 45
- Pages
- 7
- Indexed
- KCI
- Journal Title
- IDEC Journal of Integrated Circuits and Systems
- Volume
- 11
- Number
- 4
- Start Page
- 39
- End Page
- 45
- ISSN
- 2384-2113
- Abstract
- This paper presents a temporal interference stimulation driver IC (TIS-IC) for deep brain stimulation. The proposed MTIS-IC (Multi-TIS) features high linearity, independent frequency and amplitude control, and a highvoltage amplifier-based architecture. It achieves a peak-to-peak output voltage error within 0.4% and a maximum output current of 2 mA. Measured results show a maximum SFDR of 59 dB and a maximum SNDR of 46 dB. A proposed calibration method improves output signal accuracy and channel uniformity. Fabricated using a 180 nm BCD process, the proposed MTIS-IC overcomes the limitations of existing systems, enabling scalable neural stimulation and expanding biomedical applications.
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Related Researcher
- Kim, Jong Seok
- ERICA 공학대학 (SCHOOL OF ELECTRICAL ENGINEERING)