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Pulsiv releases 75W and 100W reference designs


Pulsiv OSMIUM mcu and supporting components combined with quasi-resonant flyback DC-DC deliver 90 percent efficiency

UK based Pulsiv has launched its first reference designs around its technology for designing more energy efficient power supplies and battery chargers.

The new cost-optimised reference designs offer 75W (85W peak) & 100W (150W peak) output power with universal mains input and 48V output. The Pulsiv OSMIUM microcontroller and supporting components have been combined with a quasi-resonant flyback DC-DC converter to deliver an end-to-end flat efficiency of 90 percent (91.5 percent peak) from just 10W, comfortably exceeding the US DoE Level VI and EU CoC Tier 2 requirements.

“Pulsiv OSMIUM reference designs offer a cost effective method to reduce the amount of energy consumed in AC to DC power supplies and battery chargers under all operating conditions. By delivering consistently high efficiency without compromising system cost, sustainable product design will become the default choice,” says CEO Darrel Kingham.

Pulsiv says its OSMIUM MCU ensures that critical components operate at low temperatures to extend expected lifetime and ensure long-term reliability even under convection cooling. Inrush current has been completely eliminated, removing the need for additional current limiting components.

The reference designs can be further optimised using GaN and SiC technology where performance or size are more important than cost.

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