1. Introduction Recently, I received a board sent by the Breadboard Community, which is based on Nordic’s latest nPM1300 power management chip evaluation kit. When it comes to power management chips, many people may be familiar with discrete chips, such as buck-boost, power monitoring, POR reset, and charge-discharge management functions, but it is rare to … Read more
Long press the image to scan and apply for free Power management converts various power inputs into output voltages that meet system requirements through specific circuit topologies. The power directly affects system performance, and the key component determining power performance is the Power Management IC (PMIC). It is crucial to understand the selection criteria for … Read more
PMIC Report Summary Chips are generally divided into two major categories: analog and digital chips. Among them, analog chips include analog signal chains and mixed-signal chips, power devices, RF radio frequency devices, and sensors. Power devices are further divided into Power Management Integrated Circuits (PMICs) and power devices. The technologies and application areas related to … Read more
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 semiconductor industry is vast, and some more specialized product categories often hide surprises. It is well-known that large chips like CPUs and GPUs are expensive, and memory chips are ubiquitous. However, many observers know very little about the field of Power Management Integrated Circuits (PMICs). The technology of PMICs is impressive. A single chip … Read more
Introduction Currently, the entire automotive chip market has high requirements for safety and reliability, such as AEC-Q testing and ASIL product certification, to achieve functional safety in product development, production, and process management/control. However, most chips in the automotive market are monopolized by foreign manufacturers, such as Renesas, NXP, Infineon, Texas Instruments, Microchip, and STMicroelectronics. … Read more
A chip is a way of miniaturizing circuits (mainly including semiconductor devices, as well as passive components, etc.). It uses a certain medium to comprehensively cover the center of a computer, such as the CPU, with the interface that displays this information, thus forming a small, miniature machine that integrates semiconductors on a substrate. Each … Read more
▲ The circuit to be analyzed in this article Many portable electronic devices with built-in lithium batteries, such as mobile phones, typically adopt the following power supply method: 1. When the USB power is not connected, it uses the built-in lithium battery for power. 2. When the USB power is connected, it switches to power … Read more
In embedded system design, electronic engineers need to focus on multiple core elements to ensure the system’s stability, performance, and reliability. This article will delve into these elements and summarize them, hoping to help our friends. 1. Power Management Power is the cornerstone of embedded systems, and its stability is crucial. Engineers must pay attention … 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