Technical FAQs 4

What is a 48V Power Partnership?

The partnership aims to drive common solutions in 48V power, specifically by establishing more common footprint blocks, improving supply chain efficiency, increasing design flexibility and reducing qualification processes during product development, and standardizing industry guidelines related to reliability and testing. 6.

What is a -48V back-up battery converter?

The -48V back-up battery converter is similar in construction and complexity to the single-output, high-power VoIP converter previously discussed. The power factor corrected (PFC) AC/DC produces the supply voltage for the 3G Base station's RF Power amplifier (typ. +27V) and the bus voltage for point-of-load converters.

Why do telecom networks use –48 V DC power?

Telecom and wireless networks typically operate on –48 V DC power, but why? The short story is that –48 V DC, also known as a positive-ground system, was selected because it provides enough power to support a telecom signal but is safer for the human body while doing telecom activities.

What is a standardized 48V 1st stage power design solution overview?

By providing a standardized 48V 1st Stage Power Design solution overview for OCP, it provides other Hyperscalers and suppliers with the guidelines and inputs to anticipate the electrical, mechanical and thermal requirements. 3.2. Efficiency

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Figure 3. A power supply for a 5G macro base station block diagram. Highlighted ICs The MAX15258 is a high voltage multiphase boost controller with an I 2 C digital interface designed

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