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 constant charging current from 5mA to 250mA
- MCU LDO regulator with 1.8V or 3.3V output, up to 50mA
- Accurate embedded power negotiation protocol
- Designed according to NFC Forum Wireless Charging standard
- NFC Custom NDEF feature and proprietary transparent data channel
- Standalone operation and support of optional external Host MCU
- I²C slave interface
- Two configurable GPIOs

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Description

The PTX30W is an efficient single-chip NFC Receiver for NFC wireless charging applications including bi-directional data transfer. The PTX30W is a highly integrated solution for NFC-based wireless charging systems combining power harvesting, wireless power negotiation, and charging of a Lithium-Ion battery in a single chip.

The integration reduces the required number of external components. Combined with its RF performance it is well suited for integration into space constrained devices enabling fast charging and maximum flexibility in the system design.

Parameters

Attributes	Value
Device Functions	WLC Listener
Wireless Standard	NFC Forum Reader/Writer, Wireless charging protocol based on NFC Forum Wireless Charging Technical Specification Version 2.2, NFC Forum Reader/Writer, Wireless charging protocol based on NFC Forum Wireless Charging Technical Specification Version 2.3, NFC Forum Reader/Writer, Wireless charging protocol based on NFC Forum Wireless Charging Technical Specification Version 2.4
Comm. Interface	I2C
Temp. Range (°C)	-40 to 85°C

Package Options

Pkg. Type	Pkg. Dimensions (mm)	Lead Count (#)	Pitch (mm)
WLCSP	1.78 x 1.78 x 0.3	16	0.4

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