A charger and DC/DC step-up system controls the AC input from the household power supply and boosts the voltage to that required by the battery using a DC/DC circuit. The MCU performs both PFC control ...

At the 1893 Chicago World’s Fair—held in celebration of the 400th anniversary of Columbus' discovery of the American continent—as U.S. President Cleveland pressed a button, 250,000 light bulbs lit up ...