I discourage to work on a 130-220 volts power supply. This is very dangerous. You can die or hurt your self very much wich that. A very good friend tried to repair his HDD power supply and now he ...

Switch-mode power supplies (SMPSs) are undoubtedly good for powering IoT devices, but most of them are bulky and expensive. ... Just do a search with the key “IOT-AC53,” which is an 85- to 265-Vac to ...

Making the Move to GaN. GaN technology for switch-mode power supplies has reached a solid development state in which many power-supply applications can be designed with them.

Figure 3 shows the measurement of the inductor current (in blue) for a switched-mode power supply sensed with a current probe compatible with the oscilloscope used.