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Применения > > Highly Efficient and Compact 100W Automotive Amplifier Reference Design with Boost Converter

Highly Efficient and Compact 100W Automotive Amplifier Reference Design with Boost Converter (PMP9484)

PMP9484 is a 100W highly efficient and compact automotive amplifier reference design which can be used in 50W +50W stereo or 100W woofer applications. The design is broadly divided into three main stages: 1.) Highly efficient single-phase synchronous boost converter using the LM5122 controller IC. The design accepts an input voltage of 7.5Vin to 20Vin (12Vin nominal) and provides an output of 24V capable of supplying 5A of continuous current to the load. The peak efficiency acheived is 98 percent. 2.) 50W+ 50W stereo audio amplifier with TPA3116D2 Class D device 3.) Very low cost stereo input to woofer bass input conversion

Возможности

Synchronous rectification in boost for very high efficiency Ultra-low footprint area for LM5122 Actual power stage combo with highly efficient class D amplifier Single speaker (woofer), dual speaker (stereo) support in the design Low Vin support for automotive application

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Схемы и диаграммы

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Тесты и симуляция

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Спецификация (BOM)

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Highly Efficient and Compact 100W Automotive Amplifier Reference Design with Boost Converter PMP9484

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