Today we analyze a classic microcontroller power supply circuit. The circuit schematic is shown below: ▲ Simplified Switch Circuit Before powering the circuit, the switch “TEST” is open, and the microcontroller is not powered through VCC. At this time, the base of T1 is grounded through R9 (100k), and is in the cutoff state. The … Read more
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With the development of the times, people have gradually started to design various types of chips, one of which is the popular low-power chip design. These chips not only help extend the battery life of devices but also reduce the likelihood of overheating and improve system stability. If you want to design low-power chips, then … Read more
Source: Content from http://www.cnblogs.com/IClearner/, Author: IC_learner, thank you. Previously, we learned about the purpose of low power design and the composition of power consumption. Today, I will share some insights on power analysis. Since this learning is aimed at front-end design of digital ICs, the power analysis here is based on the power compiler tool … Read more
Source: Content fromhttp://www.cnblogs.com/IClearner/ , Author: IC_learner, Thank you. This section mainly introduces the use of gated clocks for low-power design. (4) Gated Clock The gated clock was briefly described in my first blog; here I will provide a more detailed description. We will mainly learn what gated clock circuits are, when to use gated clocks, … Read more
Source: Content fromhttp://www.cnblogs.com/IClearner/, Author: IC_learner, Thank you. Gate Level Circuit Low Power Design Optimization (1) Overview of Power Optimization for Gate Level Circuits Gate Level Power Optimization (GLPO) starts from the already mapped gate-level netlist, optimizing the design’s power consumption to meet power constraints while maintaining performance, i.e., satisfying design rules and timing requirements. The … Read more
There has been a persistent belief that the x86 instruction set is inherently incapable of low power consumption. Is this really the case? This article focuses on how the Core Ultra 2nd generation considers low power consumption and whether it is possible to achieve it… For many years, there has been a rumor: x86 cannot … Read more
Summary The AspenCore analyst team carefully selected 35 representative companies from numerous power management chip manufacturers, categorizing them into four major categories: PMIC, wireless charging/fast charging, battery management, and LED drivers. Each company is detailed according to evaluation criteria such as core technologies, key products, main applications, and competitiveness, compiling the “Analysis Report on 35 … 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