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Применения > > Ref. Design - EMI Optimized 12W SEPIC Power Supply for Automotive with CISPR 25 Class 5 Compliance

Ref. Design - EMI Optimized 12W SEPIC Power Supply for Automotive with CISPR 25 Class 5 Compliance (PMP10610)

The PMP10610 is a 12W SEPIC power supply reference design for automotive applications. It takes 12V nominal input voltage, and generates a 12V @ 1A output with 92% peak efficiency. The SEPIC converter topology allows voltage step-up and step-down conversion. The design covers a wide input range of 4.5V to 20V. When using it in the 12V car battery system, the design can operate uninterrupted during vehicle start-stop. The reference design features the LM3481 as the SEPIC controller, and it is available in automotive grade AEC-Q100 Grade 1. The design uses single coupled inductor to achieve compact solution size. The component area of the SEPIC is about 24 x 30mm (1.2 x 0.95inch). The reference board is layout-optimized for improved EMI performance, and there is an optional input EMI filter section on the board. The board is tested under the automotive EMC standard, CISPR 25, and its conducted emissions are in compliance with the CISPR 25 Class 5 limits.

Возможности

Single coupled inductor SEPIC converter design 4.5V to 20V input voltage range High efficiency, 92% peak EMI optimized design, in compliance with CISPR 25 Class 5 conducted emissions standard LM3481 controller, AEC-Q100 qualified version available The reference board is tested, and the test report and design files are included

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Схемы и диаграммы

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Тесты и симуляция

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Спецификация (BOM)

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Ref. Design - EMI Optimized 12W SEPIC Power Supply for Automotive with CISPR 25 Class 5 Compliance PMP10610

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