Chips used in microcontroller power circuit design:1. TPS54331 (Buck Converter)2. TP4057 (Charge and Discharge Management)3.BQ27220YZFR (Battery Monitoring)4. AP2007 (Boost Converter)5. SY8088 (Buck Converter)Microcontroller system architecture diagram:Circuit diagram:————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————
1.PMIC（Power Management IC）: Power Management Integrated Circuit, a chip that integrates various power management functions (such as voltage regulation, boost, buck, charging, etc.) to provide stable and efficient power solutions for electronic devices, commonly found in smartphones, automotive electronics, IoT devices, etc. 2.LDO（Low Dropout Regulator）: Low Dropout Linear Regulator, a type of linear voltage regulator … Read more
Renesas Electronics, a leading supplier of innovative semiconductor solutions, has launched the RAA489300/RAA489301 high-performance buck regulators. These are developed using a three-level buck topology specifically designed for battery charging and voltage regulation in USB-C systems. This includes multi-port USB PD chargers, portable power stations, PC docking stations, robotics, drones, and other applications requiring efficient DC/DC … Read more
We are a community that helps hardware engineers with component selection references. If you are interested, please follow our public account below, where we regularly share information on new chips, chip replacements, and teardown analyses! In-Depth Analysis of the 18V Camera PMIC SC6201Q: 3 Buck + 1 LDO 1. Descriptions Original TextThe SC6201Q is a … Read more
To reduce the output voltage and current ripple of the BUCK converter and minimize the power inductor, using an interleaved parallel BUCK is a good choice. This article briefly discusses the method of driving interleaved BUCKs and closed-loop control based on a digital signal processor (DSP) to provide some insights. The basic topology is as … Read more
In modern AI data centers and edge computing environments, high power density and integration are mandatory requirements. To meet the demand for efficient power management solutions, Microchip Technology has launched the MCPF1412 power module, a highly integrated Point of Load (POL) buck converter featuring I2C and PMBus® interfaces, compact size, system telemetry, and protection functions, … Read more
Today, I would like to share with you:Buck Converter PCB Design 1. Buck Converter PCB Design Requirements 1. Buck Converter Design Requirements The requirements for the buck converter are: Input voltage from 4.5V to 17V Adjustable output voltage from 0.76V to 7V Maximum output current of 1A 2. Power Supply Requirements Input voltage 7.0~14.0V Output … Read more
I have a demo board with an integrated MOSFET Buck power supply. Although the circuit is simple, the layout is quite textbook-like. Here are some key design points of this circuit: 1. Phase Plane The phase plane, which is the plane connecting the inductor and the power IC, is the dirtiest signal (high current, high … 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
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