Power Management in Chips: PMU, BUCK, and LDO

Power Management in Chips: PMU, BUCK, and LDO

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

Guidelines for Selecting Power Management ICs (PMIC)

Guidelines for Selecting Power Management ICs (PMIC)

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

Exceeding 100A Power Supply Secrets for ADAS Processors

Exceeding 100A Power Supply Secrets for ADAS Processors

Click the blue text above Follow us! The Advanced Driver Assistance Systems (ADAS), including automotive systems for autonomous driving visual analysis, parking assistance, and adaptive control functions, are becoming increasingly electrified. Intelligent connectivity, safety-critical software applications, and neural network processing require enhanced real-time computing capabilities. To meet these advanced requirements, multicore processors capable of supporting … Read more

How to Dynamically Adjust Negative Output Voltage Using a Simple Circuit

How to Dynamically Adjust Negative Output Voltage Using a Simple Circuit

We currently have standard techniques for generating negative output voltages and methods for dynamically adjusting output voltage. In this article, I will introduce the missing link between these two technologies—a level-shifting circuit that combines them. Applications requiring negative output voltage include: testing and measurement, aerospace and defense, automotive, and medical. A common method to create … Read more

EMC Design Layout Considerations for DC-DC PCB Switching Nodes

EMC Design Layout Considerations for DC-DC PCB Switching Nodes

The switching node of a switching regulator or power converter circuit is a critical conduction path that requires special attention during PCB layout. This circuit node connects one or more power semiconductor switches (such as MOSFETs or diodes) to magnetic energy storage devices (such as inductors or transformer windings). Its switching signals contain rapidly switching … Read more