A power management unit (PMU) is a device that manages the power supply and demand in electronic devices. Some synonyms for PMU include power control unit (PCU), power supply unit (PSU), power distribution unit (PDU), power regulator unit (PRU), and power module unit (PMU). These devices are essential in managing the power needs of electronic devices to ensure their optimal performance, longevity, and safety. PMUs are found in a wide range of applications, from desktop computers and gaming consoles to mobile phones and aviation systems. Understanding the synonyms for PMU can help you when searching for replacement parts or troubleshooting issues with electronic devices.