Simon Bramble | Analog Circuit Design

How to Build an Uninterruptible Power Supply for Home Devices

Another article written during COVID lockdown. How can you use Wi-Fi and other at-home devices during a power outage? Design a home uninterruptible power supply (UPS) by using a car battery as a backup power source. This is connected to a buck-boost converter that generates a stable 12 V/5 A supply to power the Wi-Fi router, as well as a 6.5 V/1.5 A buck converter to power a cordless telephone.