14 DAY TRIAL // The Qi wireless charging standard defines the ability to replenish the energy in a battery just by being exposed to certain electromagnetic waves. Toshiba has just made a chip that provides this ability.
Called TC7763WBG, it is said to possess an optimized circuit design, which allows for a maximum output power of 5 W.
That's comparable to cable charging capacity, and a lot better than the 0.5W – 1.5W of other chips.
Toshiba also ensured that the new IC (integrated circuit) had a power conversion efficiency of up to 95%.
A protocol authentication circuit is part of the chip design too, along with compatible pin assignments with TC7761WBG, whose top output is of 3.5W.
That means you can replace the chip without having to change the PCB. It's good news for manufacturers of phones, tablets, gadgets and whatever else can use the electromagnetic induction method these days.
There's foreign object detection too (FOD), as well as protocol authentication circuit for power transfers.
All in all, the Toshiba TC7763WBG should allow wireless chargeable devices to recover their battery charge over the air (by being placed on charging pads that is) in about the same span of time as if they were using a cable adapter.