Toshiba launches dual-input power multiplexer ICs for mobile devices

Toshiba Electronics Europe has launched three new power multiplexer ICs that are capable of switching between two different power sources, making them ideal for mobile device charging applications.

The TCK32xG power multiplexer IC series is made up of the TCK321G, TCK322G and TCK323G. Ideally suited for applications in the charging circuits of mobile devices that use dual-input power supply systems, consisting of AC adapters, USB or wireless charging inputs. The devices will find use in smartphones, tablets and wearable technology.

Power source selection is possible through the ICs external signal control and through a built-in auto selection mode function which switches sources automatically according to priorities programmed in advance. Making use of a reverse blocking circuit and thermal shutdown, these new ICs demonstrate dependable built in protection features.

Additional protection is offered by the integrated over voltage lockout (OVLO) feature that exhibits OVLO voltages between 12 and 15V for the different devices. All three ICs are contained in a WCSP type package, measuring 1.9 x 1.9mm, with 0.5mm pitch, featuring a maximum output current of 2A and a maximum input voltage of 36V.

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