University of Science and Technology of China

Abstract A 2&4 phased-array SIL radar-on-chip in 22nm CMOS is demonstrated for in-cabin vitalsign monitoring. Built on a forward-ΔΣ DPLL-locked multi-injection RTWO at 20GHz, it concurrently serves as (de)modulator, beam

Abstract This paper presents a symbol power tracking supply modulator that delivers a high output voltage and a wide output range for 5G high-voltage GaN PAs. To accelerate voltage transitions, a two-step subranging DVS

Abstract This paper presents a 100A 93.4%-peak-efficiency LLC resonant converter with an embedded primary-current-extracted regulator. The proposed regulator powers the gate drivers of the LLC converter, eliminating the

Abstract This paper presents a 12-to-1V 4-output hybrid DC-DC converter that shares a single DC capacitor among all outputs. This shared capacitor stores and redistributes energy, ensuring independent regulation at each

*Equally Credited Authors (ECAs) 1 Abstract This paper presents a single-transformer multi-output isolated DC-DC converter generating three regulated rails (+15V, −5V, and +5V) from wide 12/24V inputs. By sharing a commo

Abstract This paper presents a fully integrated PEH interface that enhances output power while minimizing on-chip capacitor area. The proposed design employs a SC structure that reuses both the piezoelectric capacitor an

As 5G communication technology advances, the power consumption of radio frequency power amplifiers (RFPAs) in 5G systems has become increasingly critical. To enhance efficiency, Symbol Power Tracking (SPT) has emerged as

Hefei CLT Microelectronics, Hefei, China 1 2 Hybrid buck-boost converters have been extensively studied for their ability to efficiently convert varying battery voltages (e.g., 2.8V to 4.2V) to a stable mid-3V output in

Hefei CLT Microelectronics, Hefei, China 1 2 Integrated isolated DC-DC converters, using either on-chip [1-4] or package transformers [5-7], have been developed to minimize size and cost while achieving isolation ratings

*Equally Credited Authors (ECAs) Power delivery with galvanic isolation is crucial for ensuring safety and reliability in harsh industrial environments, where isolated DC-DC converters are widely used to meet stringent o

Hefei CLT Microelectronics, Hefei, China *Equally Credited Authors (ECAs) 1 2 DC-DC converters with bipolar outputs are widely used to drive AMOLED displays in battery-powered electronic devices. To prolong the battery l

Single-inductor multiple-output (SIMO) converters, capable of providing multiple outputs from just one inductor, are highly favorable in cost- and size-constrained applications such as mobile devices. However, they inher

Envelope tracking (ET) significantly improves the efficiency of RF power amplifiers (PAs) in mobile handsets. Most ET supply modulators (ETSMs) adopt a hybrid topology, combining a wide-bandwidth low-efficiency linear amplifi

Large voltage-conversion-ratio (VCR) DC-DC converters (e.g. 12V to 1-to-1.8V) with high efficiency and high current density are essential for industrial and automotive applications. Conventional buck converters have to us

Wireless power transfer (WPT) systems are increasingly favored for applications such as implantable devices and portable electronics. In these systems, local voltage regulation on the receiver (RX) side ensures a well-re

Hefei CLT Microelectronics, Hefei, China 1 2 Buck-Boost converters are commonly used in the Li-ion battery-powered mobile devices to convert a varying battery voltage (e.g., 2.7V to 4.2V) to a mid-3V output voltage (VOUT

12V/24V-to-1V power converters with high efficiency and fast transient responses are highly desirable in industrial and automotive applications. Double step-down (DSD, also known as series-capacitor) converters are among