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Figure 1: Ground-referenced current sensing in 4-switch buck-boost converters

Save Space and Improve Efficiency with a 4-Switch Buck-Boost Controllers

Xu Zhang, Power Design Manager, Analog Devices

A new generation of 4-switch buck-boost controllers enables power system design with very high efficiency and high power density by using inductor DC. resistance (DCR) current-sensing techniques. This article explains the benefits of inductor DCR current-sensing solutions vs. traditional solutions. Introduction The 4-switch buck-boost converter is

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Date:

08/01/2026

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Frederik Dostal, Power Management Expert, Analog Devices

Why Does Current-Mode Control in Switching Regulators Matter?

Jun 1,2026

Frederik Dostal, Power Management Expert, Analog Devices

When the Supply Voltage Is Dynamic

May 1,2026

Frederik Dostal, Power Management Expert, Analog Devices

When the Supply Voltage Is Dynamic

Apr 1,2026

Frederik Dostal, Power Management Expert, Analog Devices

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Power Systems Design is a leading global media platform serving the power electronics design engineering community. It delivers in-depth technical content, industry news, and product insights to engineers and decision-makers developing advanced power systems and technologies.

Published 12× per year across North America and Europe, Power Systems Design is distributed through online and fully digital editions, complemented by eNewsletters, webinars, and multimedia content. The platform covers key areas including power conversion, semiconductors, renewable energy, automotive electrification, AI power systems, and industrial applications—supporting innovation across the global electronics industry.

Design Tips

The Golden Rule of Board Layout for Switch-Mode Power Supplies

Why Does Current-Mode Control in Switching Regulators Matter?

When the Supply Voltage Is Dynamic

When the Supply Voltage Is Dynamic

Power Systems Design

Power Systems Design

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