EDN

Inrush Current Limiter (Soft Starter) for AC/DC Loads

Figure-1 shows the schematic diagram of the device. P1 is used to connect the 220V-AC input and the ON/OFF switch to the circuit. C1 is used to reduce the AC voltage. The value of the C1 also ...
Nature

Inrush Current Mitigation in Power Transformers

Inrush currents arise when iron-core power transformers are energised under no-load conditions, producing transient peaks many times greater than the rated current. These surges stem from magnetic ...
Electronic Design

Make the Switch from Discrete to Integrated Load Switches, Ideal Diodes, and eFuses

How to replace MOSFETs with load switches, and the impact of on-resistance. Swapping out diodes with ideal diodes, and the use of ideal-diode controllers. Why replacing fuses and resettable fuses with ...
EDN

Power switch offers smart overload control

Joining ST’s lineup of safety switches, the IPS1050LQ is a low-side switch featuring smart overload protection with configurable inrush and current limits. Three pins allow selection between static ...
Machine Design

Self-Protecting Starters

Self-protecting starters (SPSs) were first introduced to the U.S. in 1987. However, SPSs have been used internationally for several years. Recently, several manufacturers and private labelers have ...