VIBRATION VRC522

VRC522 is a read/write card chip compliant with ISO/IEC 14443 Type A/Type B protocol, operating at 13.56MHz HF mode. It features high integration and ultra-low power consumption, making it suitable for contactless card data transfer applications that demand high performance at low cost.

• High-integration, ultra-low-power contactless card reader/writer IC, operating at 13.56MHz, supporting dual-coil drive for various card read/write applications
• Wide supply voltage range: 2.0~5.5V
• Ultra-low standby and scanning power consumption; effective read range up to 8~10cm
• Full ISO/IEC 14443 Type A/Type B protocol support
• High-speed communication rates: 106kbit/s, 212kbit/s, 424kbit/s
• Supported host interfaces: SPI at 10Mbit/s; I2C in standard mode at 100kbps/s; UART at 1228.8kbit/s
• 64-byte transmit and receive FIFO buffer
• Programmable timer
• Multiple power-saving modes: hardware power-down, software power-down, and transmitter power-down
• Built-in temperature sensor for automatic RF transmission shutdown upon overtemperature
• Multiple independent power supply domains to minimize inter-module interference and improve operational stability
• CRC and parity check support; built-in CRC coprocessor compliant with ISO/IEC 14443 and CCITT protocols
• Internal oscillator with external 27.12MHz crystal
• Low Power Card Detection (LPCD) support
• QFN32 package for reduced PCB footprint and lower manufacturing cost

• Card readers for financial applications, ID card readers
• Contactless card reading devices for smart home locks, hotel locks, sauna cabinet locks, etc.
• Various contactless card readers, transit card and campus card readers
• Various contactless access control systems, check-in and attendance machines