Dialog Semiconductors Enters White Goods Market
London, UK – Dialog Semiconductor plc has entered the white goods sector with the launch of two power control integrated circuits that address reliability while reducing bill-of-materials (BOM) costs without compromising power supply performance.
The expanded power conversion portfolio now includes AC/DC AccuSwitch PWM controllers that use primary-side regulation to eliminate the need for optocouplers, while still providing accurate voltage cross-regulation.
The household appliance market is growing at 3.8 percent annually and is forecast to reach 430 million units by 2017, according to the Freedonia Group.
“Most appliances today use secondary-side control to maintain the tight output voltage regulation for stable operation in multi-rail systems. For example, a 5-V output for the system microcontroller (MCU) needs ±5% voltage accuracy, while 12-V to 16-V rails for motor or relay control require ±10% accuracy,” said Dialog. “However, secondary-side designs require optocouplers, which have significantly worse failure rates compared to other components in the power supply.”