DC-DC converter

20 Common Terms and Explanations for Power Management ICs (PMIC)

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20 Common Terms and Explanations for Power Management ICs (PMIC)

1.PMIC（Power Management IC）: Power Management Integrated Circuit, a chip that integrates various power management functions (such as voltage regulation, boost, buck, charging, etc.) to provide stable and efficient power solutions for electronic devices, commonly found in smartphones, automotive electronics, IoT devices, etc. 2.LDO（Low Dropout Regulator）: Low Dropout Linear Regulator, a type of linear voltage regulator … Read more

PCB Layout for Buck DC-DC Converter Circuits

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PCB Layout for Buck DC-DC Converter Circuits

In Buck-type DC-DC power circuits, the PCB layout is crucial for the implementation of circuit functionality and achieving good performance metrics. Key Layout Considerations for Current Loops The two loops in the diagram act like antennas; the larger the loop area, the more severe the electromagnetic interference (EMI). Input Loop (Vin-Cin-IC-GND): The current in this … Read more

Design of Battery Management System Based on Energy Bus

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Design of Battery Management System Based on Energy Bus

1 Abstract With the continuous development of new energy technologies and the increasing awareness of green and low-carbon living, the energy sector is accelerating its transition to clean and low-carbon solutions. The diversification of energy storage modes and technologies is crucial, as energy storage is an important technology and foundational equipment supporting new power systems. … Read more

OCP82131 LCD Display Power Chip

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OCP82131 LCD Display Power Chip

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

PMIC Laboratory Participates in CICC 2025

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PMIC Laboratory Participates in CICC 2025

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

Power Density Exceeds Competitors by Over 10 Times! This 48V Power Module Achieves a Breakthrough Lead

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Power Density Exceeds Competitors by Over 10 Times! This 48V Power Module Achieves a Breakthrough Lead

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

Analysis Report on 30 Domestic Power Management Chip Manufacturers

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Analysis Report on 30 Domestic Power Management Chip Manufacturers

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

Comprehensive Knowledge of Power Management

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Comprehensive Knowledge of Power Management

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

Understanding DC-DC Boost Converter Principles: Cases and Diagrams

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Understanding DC-DC Boost Converter Principles: Cases and Diagrams

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 – High Frequency DC-DC Converters

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PMIC Seminar - High Frequency DC-DC Converters

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