4 Switch Buck Boost Controller Layout for Low Emissions Single Hot Loop vs. Dual Hot Loop

4-Switch Buck-Boost Controller Layout for Low Emissions—Single Hot Loop vs. Dual Hot Loop

Automotive application circuits must meet strict EMI standards to avoid interfering with broadcast and mobile service frequency bands. In many cases, Silent Switcher® and Silent Switcher 2 solutions can make a significant difference in the ability to meet these standards. Nevertheless, in all cases, careful layout is imperative. In this article we look specifically at two possible solutions for a 4-switch buck-boost controller and compare EMI chamber results.

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