1. What is PMIC Power Management Integrated Circuit（PMIC） is known in Chinese as 电源管理集成电路, and its main feature is high integration, packaging traditional multi-output power supplies into a single chip, making multi-power applications more efficient and compact. PMIC is an indispensable key component in today’s electronic devices. It provides power for various devices with its … Read more
The editorial department of Automotive Engineering will recommend three papers in the 8th issue of 2020 to readers, aiming to stimulate industry attention and discussion on these papers and related technologies. Research Background The State of Charge (SOC) represents the remaining battery capacity, and estimating the battery SOC is a crucial part of the Battery … Read more
The definition of SOC (state of charge) varies widely, but a more unified international definition is based on capacity, representing the remaining capacity of the battery with SOC, which numerically equals the ratio of the remaining capacity Q to the maximum available capacity Qmax. SOC estimation is one of the key technologies in battery management … Read more
During the daily charging process, many new energy vehicle owners may have encountered the situation where the charging gun automatically stops when the battery is close to being fully charged. What is the reason for this? Follow today’s article to delve deeper. Charging Principle of New Energy Vehicles~ 01 SOC is About 98% to Ensure … Read more
Today’s electronic devices, ranging from TWS headphones and wearable devices to electric vehicles, rely heavily on lithium-ion or polymer batteries for power. Depending on the power requirements of the electronic devices, a battery pack may consist of multiple battery cells (cells) arranged together. The charging and discharging of the battery pack, as well as the … Read more
Click the blue text to follow us With the popularity of electronic devices and the enhancement of their functions, power management has become an indispensable part of design. Power Management ICs (PMICs) serve as key components in electronic products and their role is increasingly important. What is a Power Management IC? A Power Management IC … Read more
Click the blue text above Follow us! With the rapid development of electronic technology and systems, batteries are now ubiquitous, powering various devices including personal electronics and electric vehicles (EVs). The trend towards battery power shows no signs of slowing down, while the design challenges remain, namely how to achieve higher battery performance over longer … Read more
Authors: Kuang Xiaojun, Tang Xiangjiao, Li Hongbo, Wang Yong, Chang Sheng 1. Introduction to Power Management Systems The automotive power management system can monitor the state of the battery and manage the load to calculate and evaluate the starting performance of the battery, thereby determining the current state of the battery and predicting the time … Read more
Today,the data processing architecture exhibits a “split” characteristic. The focus has shifted to “cloud” computing, which boasts massive scale and computational power, while “edge” computing places the processing right at the “front line”, connecting electronic devices with the real world. In the cloud, the volume of data stored is enormous, and processing must be queued … Read more
Tang Jianqiang, Zhou Fengxing, Shen Chunpeng (Wuhan University of Science and Technology, School of Information Science and Engineering, Wuhan, Hubei 430081) Abstract: In response to the premature failure of 12 V on-board battery power systems, a battery condition monitoring and intelligent control system based on μC/OS-II has been designed. This system integrates flyback switch power … Read more