Alps Alpine Launches Isolated DC-DC Converter Circuit Technology

Alps Alpine has launched a new high-performance isolated DC-DC converter circuit technology, Isolated TriMagiC Converter.

The technology uses Li-qualloys up– an original magnetic material developed by Alps Alpine – instead of ferrite for magnetic components in transformers and resonant coils.

Isolated TriMagiC Converter, the isolated DC-DC converter circuit technology newly developed by Alps Alpine, uses Liqualloy – the company’s original magnetic material with characteristically low permeability, high saturation flux density and low loss – for magnetic components in transformers and resonant coils instead of ferrite.

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In developing this On/On&On/Off mode circuit, Alps Alpine focused on magnetic components that could not be made smaller through their composition or miniaturization.

Compact size and high conversion efficiency are realized without increasing operating frequency using original magnetic material Liqualloy.

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Samples of magnetic components using Liqualloy are expected to be made available in April 2022.

Features

New isolated DC-DC converter circuit technology simultaneously achieves high output power, high conversion efficiency and compact size

1. Uses Liqualloy in the primary transformer for low permeability, high saturation flux density and low loss in On/On&On/Off mode
2. Achieves 3.3kW high output power, 96.8% high peak conversion efficiency, and total size of magnetic components equivalent to one-third of existing products.
3. Uses low-loss SiC to realize the compact size and high efficiency at an elevated level without increasing operating frequency.

Principal Applications

• Automotive DC-DC converters (auxiliary converters)
• Servers
• Base station power supplies