Advantages and disadvantages of using AC/DC Power Adapters — Desktop & Wall-Mount versus using AC power directly

Advantages and disadvantages of using AC/DC Power Adapters — Desktop & Wall-Mount are summarized. Compare them with using AC power directly. Recently, more devices are switching from AC power to AC/DC Power Adapters — Desktop & Wall-Mount.

1. When using AC/DC Power Adapters — Desktop & Wall-Mount

Advantages

• When specifications such as input voltage range change, it can be handled by replacing the adapter.
• Easy to replace the power supply when it fails.
• By treating the power supply as a component, the number of parts used in the device can be reduced, lowering costs.
• Can be used as both a power supply and battery charger.

Disadvantages

• Can be expensive if special specifications are required.
• Need to carry both the device and adapter together.

2. When using AC power directly

Advantages

• Allows for optimal design for the device.
• Eliminates the need to carry the device and adapter together.
• Easier to accommodate special specifications unique to the device.

Disadvantages

• If the power supply fails, the device must be repaired or replaced.
• Model management based on power supply specifications is required.