Toshiba Launches 15W Wireless Power Transmitter IC

TOKYO — (BUSINESS WIRE) — January 18, 2016Toshiba Corporation's (TOKYO:6502) Semiconductor & Storage Products Company today announced the launch of “TC7718FTG”, a wireless power transmitter IC with a 15W transmission capability. Sample shipments start today with mass production slated to begin in spring.

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Toshiba: a wireless power transmitter IC "TC7718FTG" with a 15W transmission capability. (Photo: Bus ...

Toshiba: a wireless power transmitter IC "TC7718FTG" with a 15W transmission capability. (Photo: Business Wire)

Connected to a microcontroller, the new IC realizes a wireless power transmitter system compliant with Qi[1], the standard defined by the Wireless Power Consortium (WPC). Toshiba’s original cutting-edge CD-0.13 process realizes a small package and high efficiency, making system integration easy while securing a transmitter system with a small footprint. A 15W wireless transmitter formed with the new IC will recharge devices quickly, at a rate equal to or shorter than wired chargers. The IC is suitable for use in wide range of applications including mobile devices, such as smartphones and tablets, and industrial devices.

Wireless transmitters that use the new IC will be compatible with 5W receiver systems that use Toshiba's 5W receiver IC, "TC7764WBG,” and 10W receiver systems that use the “TC7765WBG” 10W receiver IC, both of which are in mass production. In combination with a 15W wireless receiver control IC “TC7766WBG” compliant with the Qi v1.2 standard, the wireless system can receive up to 15W power.

Main features
WPC Qi v1.2 compliant (in combination with a microcontroller)
Full-bridge gate driver (also compatible with half-bridge): 1ch
Built in LPF[2] for recovery of ASK signal
Built in LDO (3.3V output)

Charging stand for mobile devices (smartphones, tablets) and industrial devices etc.

Main specifications

Part Number   TC7718FTG
Transmitter/Receiver Transmitter
Transmission Method Electromagnetic induction
Operating Voltage Range 4.5V to 25V
Operation Frequency 110kHz to 205kHz
Package   P-VQFN36-0505-0.40
[1]   Qi Standard: The international standard for wireless charging defined by Wireless Power Consortium
[2] LPF (Low Pass Filter): A filter that passes signals with a frequency lower than a certain cutoff frequency and attenuates signals with frequencies higher than the cutoff frequency.

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