top of page
Sensing and interface
We work on sensor interface amplifiers and ADCs for various applications ranging from biomedical applications to current sensing applications.
Projects
On-going
We are working on multiple current sensor for power converter/inverter project.
We also work on Multi-Channel readout ASIC for heart failure research with multiple parterns.
We work on GaN sensor IC
Closed
Hybrid current sensor based on Hall sensor and pick-up coil
Key Publications:
1. A. Jouyaeian, Q. Fan, U. Ausserlechner, M. Motz and K. A. A. Makinwa, "A Hybrid Magnetic Current Sensor With a Dual Differential DC Servo Loop," in IEEE Journal of Solid-State Circuits, vol. 58, no. 12, pp. 3442-3449, Dec. 2023, doi: 10.1109/JSSC.2023.3307471. (Invited paper)
2. A. Jouyaeian, Q. Fan, R. Zamparette, U. Ausserlechner, M. Motz and K. A. A. Makinwa, "A Hybrid Magnetic Current Sensor With a Multiplexed Ripple-Reduction Loop," in IEEE Journal of Solid-State Circuits, vol. 58, no. 10, pp. 2874-2882, Oct. 2023, doi: 10.1109/JSSC.2023.3273389.
3. A. Jouyaeian, Q. Fan, M. Motz, U. Ausserlechner and K. A. A. Makinwa, "23.3 A 51A Hybrid Magnetic Current Sensor with a Dual Differential DC Servo Loop and 43mArms Resolution in a 5MHz Bandwidth," 2023 IEEE International Solid-State Circuits Conference (ISSCC), San Francisco, CA, USA, 2023, pp. 22-24, doi: 10.1109/ISSCC42615.2023.10067677.
4. Amirhossein Jouyaeian, Qinwen Fan, Mario Motz, Udo Ausserlechner, Kofi A. A. Makinwa, “A 25A Hybrid Magnetic Current Sensor with 64mA Resolution, 1.8MHz Bandwidth, and a Gain Drift Compensation Scheme,” 2021 IEEE International Solid-State Circuits Conference (ISSCC), 2021, pp. 82-84, doi: 10.1109/ISSCC42613.2021.9365767.
Closed
Beyond-the-rail current sensing precision readout
Key Publications:
1. Qinwen Fan, Johan H. Huijsing, Kofi A.A. Makinwa, “A Capacitively-coupled Chopper operational Amplifier with 3µV Offset and outside-the-rail Capability”, 2012 Proceedings of European Solid-State Circuits Conference (ESSCIRC), 2012, pp. 73-76, doi: 10.1109/ESSCIRC.2012.6341259.
2. Qinwen Fan, Johan H. Huijsing, Kofi A.A. Makinwa, “A Capacitively-Coupled Chopper Instrumentation Amplifier with a ±30V Common-Mode Range, 160dB CMRR and 5µV Offset”, 2012 IEEE International Solid-State Circuits Conference (ISSCC), 2012, pp. 374-376, doi: 10.1109/ISSCC.2012.6177045.
3. Long Xu, Burak Gönen, Qinwen Fan, Johan H. Huijsing and Kofi A. A. Makinwa, "A 110dB SNR ADC with ±30V input common-mode range and 8μV Offset for current sensing applications," 2015 IEEE International Solid-State Circuits Conference - (ISSCC) Digest of Technical Papers, 2015, pp. 1-3, doi: 10.1109/ISSCC.2015.7062940.
Closed
Low-power ECG readout amplifier
Key Publications:
1. Qinwen Fan, F. Sebastiano, H. Huijsing and K. Makinwa, "A 2.1 μW area-efficient capacitively-coupled chopper instrumentation amplifier for ECG applications in 65 nm CMOS," 2010 IEEE Asian Solid-State Circuits Conference (ASSCC), 2010, pp. 1-4, doi: 10.1109/ASSCC.2010.5716624.
bottom of page