Introduction Power management in electronic devices is one of the key factors ensuring stable and efficient operation. The power management unit (PMU), buck converters (BUCK), and low-dropout regulators (LDO) in chips are common power management components that play a crucial role in providing stability, efficiency, and performance of power supply. This article will delve into … Read more
The accuracy of the signal chain is a key performance metric for converters. Undoubtedly, the quality of the power supply in circuit design plays a crucial role in the accuracy. Generally, power supply quality is measured by the level of noise, and the topology and architecture of the power supply are closely related to power … 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
Due to certain models of eMMC from a specific brand【such as: H26M62002JPR, H26M51002KPR, etc.】 requiring 1.8V for read and write operations, improvements must be made for these chips in the original V2.3 and lower versions: 1. A 3.3V to 1.8V LDO, package: SOT-23 2. Two 1uF-4.7uF surface mount capacitors, package: 0603 The installation effect is … Read more
What are the factors for selecting a power management chip? A power management chip is responsible for converting, distributing, detecting, and managing electrical energy in electronic device systems. It mainly identifies the CPU power supply amplitude, generates corresponding short pulse waves, and drives subsequent circuits for power output. Below, I will introduce how to correctly … Read more
Power management converts different power inputs into output voltages that meet system requirements through specific circuit topologies. The power supply directly affects system performance, and the key component that determines power supply performance is the Power Management Integrated Circuit (PMIC). It is essential to understand the guidelines for selecting PMICs. Understand the Power Usage Environment … Read more
Click the blue text above to follow us! [Image] When designing the power stage of a system, various devices such as Low Dropout Regulators (LDO) or Switch Mode Power Supplies (SMPS) can be chosen to regulate the voltage of the power supply. When the system needs to maintain efficiency without exceeding a specific ambient temperature, … Read more