Power

Non-isolated digital DC/DC modules for 5G nodes

26th February 2019
Alex Lynn

A new product has been announced by Artesyn Embedded Technologies with the LGA50D DC/DC module, which claims to offer one of the highest current density ratings in the industry. With a footprint of just 25.4x12.5mm, this non-isolated unit offers two independent and configurable 25A, 50W outputs, which can also be combined to a single configurable 50A, 100W output.

Design engineers can also generate higher current rated rails by connecting up to 4 units in parallel so that up to 200A can be supplied as a single power rail.

A low-profile variant that is just six millimetres high is suited for height-constrained applications, such as compact 5G wireless network nodes. Applications such as graphics, data or video processing, using high power devices, such as server processors, FPGAs, supercomputers, network, storage and telecom equipment, can also benefit from the current density, efficiency and flexibility of control of Artesyn’s LGA50D digital dc-dc converter.

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 always be adjusted within the range of 0.6 to 5.2V meaning that Artesyn’s LGA50D digital DC/DC converter can support a broad range of semiconductor devices and applications.

The LGA50D supports both analog control and digital control functions, so design engineers can control units with resistors or control and monitor the converter modules using the industry-standard PMBus digital interface.

For simple evaluation, configuration and monitoring, Artesyn 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 LGA50D modules allowing design engineers to test independent-channel or stacked-module operation.

Artesyn’s new LGA50D series DC/DC modules are compatible with the company’s 80A LGA80D series, offering equipment makers scalability with a common fit, form and function at different power and current ranges.

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