Medical power supplies with 2MOPPS isolation for PC designs

November 21, 2019 //By Nick Flaherty
The MGH2 family of medical power supplies from Bicker Elektronik provides reliable power rails for an ATX mainboards in a PC.
The MGH2 family of medical power supplies from Bicker Elektronik provides reliable power rails for an ATX mainboards in a PC.

Bicker Elektronik has launched three medical power supplies to provide reliable power rails at +3.3V, +5V, +12V, -12V and + 5Vsb for ATX form factor mainboards in a medical PC.

The 300W MHG2-5300G-B1, 400W MHG2-5400G-B1 and 500W MHG2-5500G-B1 switching supplies support a minimum load of 0 A at all output voltages for the latest generation mainboards with special power saving modes can be supplied. For international use, the switching power supplies have an AC wide-range input and comply with the safety standards EN / UL / cUL 60601-1 (Edition 3.1) and CCC.  The design of the MHG2 series also complies with the 80PLUS GOLD specification for 24/7 operation and work in a wide temperature range from -20 to +70 °C. Japanese brand capacitors with +105 °C rating significantly increase the life of the power supply even at these high operating temperatures. Mechanically, the FR4 board material used has a significantly higher dimensional stability and through-connection of the printed circuit board ensures long-lasting and stable solder joints.

The medical power supplies are equipped with a nickel-plated plug of type Stäubli S6/15 for the safe potential equalisation according to DIN 42801. With this, the computer system can be kept at the same potential with other components if necessary.

The isolation between input and output is 3000 VAC and complies with the safety standard 2xMOPP (Means of Patient Protection). Certified to the strict medical standards EN / UL / cUL 60601-1 and CCC, the MHG2 PC power supplies can be used almost worldwide in medical computer systems. The AC wide-range input is  90 to 264 VAC at 47 to. 63 Hz with active power factor correction (PFC).


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