Renesas Electronics PTX205R NFC Controller
Renesas Electronics PTX205R NFC Controller is a highly integrated, mid-power NFC controller for NFC Forum applications. This NFC controller supports reader/writer, card emulation, and peer-to-peer modes. The PTX205R NFC controller offers a patented Switched-Capacitor Power Amplifier (SCPA) architecture, enabling a sine-wave driver that simplifies system integration. This NFC controller supports compact antenna designs and ensures best-in-class interoperability with existing NFC ecosystems. The PTX205R NFC controller provides a streamlined design that ensures real-time responsiveness while enabling implementation on cost-efficient host systems. Typical applications include smart locks, matter-hub devices, public transportation, air purifiers, toothbrushes, printers, gaming, and smart meters.
Features
- RF communication:
- ISO/IEC 14443-A/B reader/writer mode (up to 848kBit/s)
- ISO18092 reader/writer mode (FeliCa™, 212/424kbit/s)
- ISO/IEC 15693 reader/writer mode (up to 53kBit/s)
- Supports reading/writing of NFC tag type 2/3/4A/4B/5
- ISO/IEC 14443-A/B card emulation mode
- ISO/IEC 18092-FeliCa card emulation mode
- NFC Forum peer-to-peer (ISO 18092)
- Initiator/target
- NFC Forum certification compliant
- Advanced features:
- Low Power Card Detection (LPCD)
- Low Power Field Detection (LPFD)
- Digital Dynamic Power Control (DDPC)
- Supports reading/writing of MIFARE® card family, including MIFARE Classic® (without crypto)
- Supports Apple Enhanced Contactless Polling (ECP) (feature only available for customers with Apple formal authorization)
- Transparent mode allowing implementation of customer protocols based on low-level commands (for example, B')
- High-performance hardware:
- SPI, I2C, I3C, and UART host interfaces
- Efficient power transmission with accurate digital programmability of the output power, RF carrier amplitude, and modulation shape
- Fractional-N PLL to support input clock frequency from 13.56MHz to 54.24MHz
- Flexible software architecture:
- SDK, composed of firmware and software integrated in a split-stack architecture, allows a complete firmware update from the host processor:
- Modular SW stack running on the host architecture
- FW running on the on-chip MCU for timing-critical operations
- Product Support Library (PSL) with antenna diagnostic functions such as antenna tuning check
- Reader Universal Library (RUL) SDK in C for easy integration into host controllers (for example, Windows®, Linux®, bare metal MCU, and RTOS)
- SDK, composed of firmware and software integrated in a split-stack architecture, allows a complete firmware update from the host processor:
Applications
- Smart lock
- Matter hub devices
- Public transportation
- Air purifiers
- Toothbrushes
- E-cigarette
- Printers
- Gaming
- Smart meters
- IoT and NFC reader
- Access control
- Wearable
Specifications
- Absolute maximum ratings:
- -0.5V to 6V VBAT, VDD_TX supply range
- -0.5V to 3.8V VDDIO, SYS_EN supply range
- 0.6W total power dissipation (PTOT) allowed in the chip
- 50mA maximum supply current into VBAT
- 550mA maximum supply current into VDD_TX
- -50°C to +150°C storage temperature (Ts) range
Block Diagram
Dimensions
