48V down 12V 24V4A power supply scheme: WD5105
1. Overview. With the development of science and technology and the diversification of applications, power management technology plays an increasingly important role in various electronic devices. Among them, buck conversion chips, as a common power management chip, are widely used in various electronic devices. In this article, we will introduce a synchronous step-down conversion chip, WD5105, and how it can be applied to a 48V to 12V 24V4A power supply scheme.
2. Introduction to WD5105 chip.
WD5105 is a synchronous step-down converter IC with the following features:
1.Withstand voltage up to 95V and can withstand high voltage inputs
2.The conversion efficiency is as high as 96%, with high energy conversion efficiency
3.It supports a wide input voltage range and is suitable for a variety of power inputs
4.The output current can reach 5A, which is able to meet most power supply needs
5.Built-in soft-start function to reduce start-up current impulse
6.Built-in over-current protection and over-temperature protection function to improve system stability.
3. Design of 48V to 12V 24V4A power supply.
Based on the WD5105 chip, the 48V down 12V 24V4A power supply scheme is designed as follows:
1.Power Input: 48V DC Voltage;
2.Step-down conversion: The WD5105 chip is used to convert 48V DC voltage to 12V or 24V DC voltage
3.Current adjustment: By adjusting the feedback resistance of the WD5105 chip, the output current can be adjusted to meet the current output requirements of 4A
4.Circuit protection: The built-in over-current protection and over-temperature protection functions of the WD5105 chip are used to protect the circuit
5.Heat dissipation design: According to the actual application situation, a reasonable heat dissipation scheme is designed to ensure the stable operation of the power supply system.
4. Application scenarios and advantages.
This power supply solution can be widely used in electronic devices that require 48V DC power supply, such as communication equipment, servers, data centers, etc. By using the WD5105 chip, this power supply solution offers the following advantages:
1.High efficiency: the conversion efficiency is as high as 96%, which can effectively reduce energy loss
2.Reliability: Built-in over-current protection and over-temperature protection function to improve system stability
3.Flexibility: It supports two output voltages: 12V and 24V, which can be flexibly selected according to actual needs
4.Easy to maintain: Modular design for easy repair and replacement.
Record My City 5. ConclusionBy using the synchronous step-down conversion chip WD5105, we can design an efficient and reliable 48V to 12V 24V4A power supply scheme. With high conversion efficiency, built-in protection functions, flexible output voltage selection, and easy maintenance, this solution can be widely used in a wide range of electronic devices that require 48V DC power supply. With the continuous advancement of technology and the diversification of application requirements, we believe that this power solution will play an increasingly important role in future electronic devices.