A bidirectional neural interface CMOS analog front-end IC with embedded isolation switch for implantable devices. - Alfian Abdi; Hyouk-Kyu Cha (Microelectron. J., 2016)

A regulated multiple-output high-voltage charge pump IC for implantable neural stimulators. - Alfian Abdi; Hyouk-Kyu Cha (Microelectron. J., 2019)

A High-Voltage Generation Charge-Pump IC Using Input Voltage Modulated Regulation for Neural Implant Devices. - Alfian Abdi; Hyung Seok Kim; Hyouk-Kyu Cha (IEEE Trans. Circuits Syst. II Express Briefs, 2019)