The key is to align the base station's environment, power demand, O&M capability, and budget with the strengths of each battery type, ultimately achieving stable power supply, optimal cost, and better system adaptability. . As a result, a variety of state-of-the-art power supplies are required to power 5G base station components. Modern FPGAs and processors are built using advanced nanometer processes because they often perform calculations at fast speeds using low voltages (<0. 9 V) at high current from compact. . Therefore, Cheng Wentao recommends that power design engineers familiarize themselves with new material devices and high-frequency design as soon as possible, and develop design ideas to adapt to future power design work. For macro base stations, Cheng Wentao of Infineon gave some suggestions on. . With the large-scale rollout of 5G networks and the rapid deployment of edge-computing base stations, the core requirements for base station power systems —stability, cost-efficiency, and adaptability—have become more critical than ever. As the “power lifeline” of telecom sites, lithium batteries. . Power factor corrected (PFC) AC/DC power supplies with load sharing and redundancy (N+1) at the front-end feed dense, high efficiency DC/DC modules and point-of-load converters on the back-end. A power efficient design is required that supplies both the higher voltage analog circuits and multiple. . This article focuses on the three parts of switching power supply: "types and usage scenarios, configuration principles and algorithms, and daily management and maintenance". Part I Types and usage scenarios 1. Combined switching power supply 2. Wall-mounted. .