Non-isolated DC/DC modules enables analogue and digital control

Claimed to offer one of the highest current density ratings in the industry, the LGA80D DC/DC module, also has marketing leading efficiency of 95.5 per cent typical, says Artesyn Embedded Technologies.

Its footprint is just 1.0 x 0.5inch, or 25.4 x 12.5mm. It offers two independent and configurable 40A, 100W outputs, which can be combined to a single configurable 80A, 200W output. Higher current rated rails can be generated by connecting up to four units in parallel so that up to 320A can be supplied as a single power rail.

Both analogue and digital control functions are enabled, allowing the unit to be controlled with resistors or controlled and monitored using the industry-standard PMBus digital interface. Applications such as graphics, data or video processing, using high power devices, such as server processors, FPGAs, supercomputers, network, storage and telecomms equipment, can benefit from the current density, efficiency and flexibility of control, the company says.

It adds that the input voltage and output voltage specifications remain the same in any configuration, so the input is defined as 7.5 to 14V and the output voltage can be adjusted within 0.6 to 5.2V, meaning that a broad range of semiconductor devices and applications can be supported.

For evaluation, configuration and monitoring, the company offers a PC-based graphical software package in conjunction with an evaluation kit. Two intuitive tabs allow developers to enter the required settings for individual converters and monitor the status and parameters. The demonstration board is fitted with two LGA80D modules allowing design engineers to test independent channel, or stacked-module operation. 


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