The OCP82131 is designed to support TFT-LCD panels with positive/negative drive of at least up to 10 inches (from SFF to MFF, such as tablets). The two outputs are typically connected to the source driver IC. This device uses a single inductor scheme to provide the smallest possible solution size and high efficiency. It features … Read more
Recently, one of the top conferences in integrated circuit design, the IEEE Custom Integrated Circuits Conference (CICC 2025), was held in Boston, USA. At this year’s CICC, three high-level papers from the PMIC Laboratory of the National Demonstration Microelectronics Institute at the University of Science and Technology of China were selected. PhD students Liu Zeguang … Read more
According to reports from Electronic Enthusiasts (by Wu Zipeng), with the acceleration of electrification and intelligence in automobiles, the 48V power system has transitioned from the technical exploration stage to large-scale application in the automotive field. The 48V system reduces current by increasing voltage, effectively minimizing cable losses while supporting more efficient energy management. However, … Read more
Summary The analyst team of ASPENCORE’s “Electronic Engineering Magazine” conducted first-hand tracking surveys and analyses, combined with information from various companies’ official websites and public data, to select 30 domestic power management chip and power semiconductor manufacturers. They have provided appropriate quantitative assessments and comprehensive strength statements. This is another heavyweight report in the China … Read more
Although power management is crucial for almost all electronic devices, it often does not receive the attention it deserves. Power management systems can enhance product reliability and performance, often supporting many other functionalities. Power Management Integrated Circuits (PMICs) are compact, efficient, and flexible in design, making them particularly important in battery-powered electronic devices such as … Read more
Today, I will share with you the DC-DC boost circuit. This mainly concerns: DC-DC boost circuits, DC-DC boost module principles, and how to construct a DC-DC boost circuit. 1. What is a DC-DC Converter? A DC-DC converter is a type of power electronics circuit that can effectively convert direct current from one voltage to another. … Read more
PMIC Seminar The seminar is a regular activity of the Power and Mixed-Signal Integrated Circuit Laboratory, held once a month, hosted by the heads of various research directions in the lab, aimed at enhancing communication and integration among research groups, sharing cutting-edge research dynamics, and summarizing stage achievements. In the last seminar, Senior Brother Yuan … Read more
Power management chips are the heart of electronic devices. Editor | Zhidx Insider Power Management Integrated Circuits (PMICs) are chips responsible for the conversion, distribution, detection, and other management of electrical energy within electronic device systems. They primarily identify the power supply amplitude for the CPU, generate corresponding short pulse waves, and drive subsequent circuits … Read more
4-channel output, and integrated inductor DC-DC, the most famous model should be the former Linear Technology’s LTM4644. The LTM4644 not only supports 4-channel 4A output but also has excellent current sharing, allowing for arbitrary combinations of parallel outputs among the four channels. It has been widely used in applications with size constraints and high reliability, … Read more
According to reports from Electronic Enthusiasts (by Huang Shanming), with the rapid development of new energy vehicles and energy storage products, many companies in the industry chain are accelerating the industrialization layout of solid-state batteries. Companies such as SAIC Group and CATL have announced plans for mass production of all-solid-state batteries. Globally, major battery manufacturers … Read more