The module features two single-phase outputs at 20 A each, or a dual phase single 40-A output. There is a multi-layer PCB layout method that uses via placements to maximize the thermal performance of a dual-phase power module. That’s because modules offer a popular alternative to complex power designs and the printed circuit board (PCB) layout issues associated with DC/DC converters. To get higher current levels out of parts with smaller footprints, system designers are moving away from discrete power solutions in favor of power modules. To reach higher output currents, multi-phase systems are being used more and more. This is especially true for datacenter servers and LTE basestations that support high current loads from increasingly power hungry FPGAs, ASICs and microprocessors. Power system designers are always seeking higher power capability built on smaller footprints.
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