简介：
主要研究方向为电源管理及模拟集成电路设计，包括无线充电芯片、高速直流-直流转换器、汽车电子芯片和脑电/生物电信号检测模拟前端芯片等；已在国际会议和期刊上发表论文20多篇，其中以第一作者在学术界和工业界公认的集成电路设计领域顶级会议ISSCC和顶级期刊JSSC上共发表论文6篇。申请中国及美国专利4项，其中3项已授权。担任IEEE A-SSCC和IEEE APCCAS等国际会议技术委员会委员，和JSSC、TCAS-I、TPEL等领域内多个知名期刊的审稿人。
荣誉：
2015年IEEE固态电路学会博士成就奖
2018年香港科学会青年科学家提名奖
论文：
L. Cheng, W. H. Ki,“A 30MHz hybrid buck converter with 36mV droop and 125ns 1% settling time for a 1.25A/2ns load transient,"IEEE International Solid-State Circuits Conference(ISSCC), Feb. 2017, San Francisco, USA.
L. Cheng, W. H. Ki, Y. T. Wong, T. S. Yim and C. Y. Tsui, "A 6.78MHz 6W wireless power receiver with a 3-Level 1×/?×/0× reconfigurable resonant regulating rectifier," IEEE International Solid-State Circuits Conference(ISSCC), San Francisco, USA, pp. 376-377, Jan. 2016.
L. Cheng, Y. Liu, W. H. Ki, "A 10/30MHz wide-duty-cycle-range buck converter with DDA-based Type-III compensator and fast reference-tracking responses for DVS applications," IEEE International Solid-State Circuits Conference (ISSCC), San Francisco, USA, pp. 84-85, Feb. 2014. (Invited to the special issue of JSSC)
L. Cheng, W. H. Ki, C. Y. Tsui, "A 6.78-MHz single-stage wireless power receiver using a 3-mode reconfigurable resonant regulating rectifier," IEEE Journal of Solid-State Circuits (JSSC), vol. 52, no. 5, pp. 1412-1423, May 2017.
L. Cheng, W. H. Ki, Y. Lu and T. S. Yim, "Adaptive on/off delay-compensated active rectifiers for wireless power transfer systems," IEEE Journal of Solid-State Circuits (JSSC), vol. 51, no. 3, pp. 712-723, Mar. 2016.
L. Cheng, Y. Liu, W. H. Ki, "A 10/30 MHz fast reference-tracking buck converter with DDA-based Type-III compensator," IEEE Journal of Solid-State Circuits (JSSC), vol. 49, no. 12, pp. 2788-2799, Dec. 2014. (Invited paper)
L. Cheng, J. Ni, Y. Qian, M. Zhou, W. H. Ki, B. Liu, G. Li, Z. Hong, "On-chip compensated wide output range boost converter with fixed-frequency adaptive off-time control for LED driver applications," IEEE Transactions on Power Electronics (TPEL), vol. 30, no. 4, pp. 2096-2107, Apr. 2015.
L. Cheng, W. H. Ki, F. Yang, P. K. T. Mok, X. Jing, "Predicting sub-harmonic oscillation of voltage-mode switching converters using a circuit-oriented geometrical approach," IEEE Transactions on Circuits and Systems I: Regular Papers (TCAS-I), vol. 64, no. 3, pp. 717-730, Mar. 2017.