Renesas Electronics PTX30W Integrated Scalable NFC WLC Listeners

Renesas Electronics PTX30W Highly Integrated Scalable NFC WLC Listeners are powerful and efficient system-on-chips (SoCs) designed for NFC wireless charging applications with data communication. The PTX30W provides a single-chip solution for NFC-based wireless charging systems developed to harvest power, handle wireless charging protocol, and charge a Lithium-ion battery. The Renesas PTX30W offers superior RF performance while eliminating external discrete components, facilitating a small antenna design, fast charging, and flexible placement of Poller and Listener antennas.

Features

Highly integrated NFC Wireless Charging Listener device
- Highly efficient active rectifier
- Up to 1W harvesting power
- RF interface according to NFC-Forum Type 2 Tag
- Li-Ion battery charger with charging currents from 5mA to 250mA
- MCU LDO with 1.8V or 3.3V output, up to 50mA
- Embedded power negotiation logic

Designed according to NFC Forum Wireless Charging standard
NFC Custom NDEF feature
Standalone operation (optional external Host MCU)
I²C slave interface
2x configurable GPIOs
On-chip overvoltage limiter circuit

Applications

Wireless smart door locks
Stylus
Smart ring
Smart glasses

Wearable devices
Hearing aids
Medical sensors

Associated Boards

PTX130W NFC Web Board
PTX130W NFC MCU Board

Renesas Electronics PTX30W Integrated Scalable NFC WLC Listeners

Features

Applications

Associated Boards

PTX30W & PTX130W Solution Diagram

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