When uninterruptible power supply (UPS) was first introduced in the 20th century, its sole purpose was to provide emergency power during power outages, and its high cost limited its application scope. Nowadays, with the continuous development of power electronics technology, UPS can efficiently optimize power quality, filter line noise, suppress voltage surges, and provide longer backup power as needed in any scenario. In the context of a low-carbon society, low energy consumption, high reliability, and small footprint have become the new development direction of UPS.

Uninterruptible power supply (UPS) can protect connected devices from power issues and provide battery backup power in the event of a power outage. In addition, it can also prevent the occurrence of expensive equipment damage, data loss, and downtime; Depending on the model, some UPS systems can also handle voltage anomalies. Output capacity is one of the core performance indicators of UPS, which refers to the maximum power that the connected load can obtain from the UPS system, expressed in volt amperes (VA).

Block Diagram - Online UPS

The following diagram illustrates the online uninterruptible power supply (UPS) solution developed by onsemi, which provides continuous power by converting input alternating current (AC) to direct current (DC) and then inverting the DC to alternating current, ensuring stable and uninterrupted power supply. Ansenmei can provide a wide range of products, including silicon carbide (SiC) discrete devices, IGBT discrete devices, power modules, isolated gate drivers, and power management controllers, to help systems achieve higher power density and efficiency.

Discrete UPS solution

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