Overview
The ST25R95-VMD5T is an integrated transceiver IC designed for contactless applications by STMicroelectronics. This device is capable of managing frame coding and decoding in both reader and card emulation modes, supporting various near-field communication (NFC) and RFID standards. It is particularly suited for applications such as NFC, proximity, and vicinity standards, including ISO/IEC 14443 Type A, Type B, ISO/IEC 15693, and FeliCa in reader mode. The ST25R95-VMD5T also supports the detection, reading, and writing of NFC Forum Type 1, 2, 3, 4, and 5 tags, and it communicates with the host controller via an SPI interface.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Voltage Range | 2.7V to 5.5V |
| Operating Modes | Reader/Writer, Card Emulation (ISO/IEC 14443-3 Type A) |
| RF Frequency | 13.56 MHz |
| Communication Interface | Serial Peripheral Interface (SPI) up to 2 Mbps |
| Command/Reception Buffer | Up to 528 bytes (FIFO) |
| Operating Ambient Temperature Range | -25°C to 85°C |
| Package Type | 32-pin VFQFPN |
| Current Consumption | Approximately 70 mA |
Key Features
- Dedicated internal frame controller
- Highly integrated analog front end (AFE) for RF communications
- Tag detection mode and field detection mode
- Support for NFC-A / ISO14443A, NFC-B / ISO14443B, NFC-F / FeliCa, and NFC-V / ISO15693 in reader mode
- Support for NFC-A / ISO14443A card emulation
- MIFARE Classic compatible
- Optimized power management
- Transmission and reception modes
Applications
The ST25R95-VMD5T is used in a variety of applications including consumer electronics, gaming, healthcare, industrial automation, NFC-enabled Wi-Fi and Bluetooth pairing, data exchange, and communication with NFC/RFID tags. It is also suitable for automotive and other sectors requiring robust NFC and RFID capabilities.
Q & A
- What is the operating voltage range of the ST25R95-VMD5T?
The operating voltage range is from 2.7V to 5.5V. - What communication protocols does the ST25R95-VMD5T support?
The device supports ISO/IEC 14443 Type A and Type B, ISO/IEC 15693, and FeliCa in reader mode, as well as NFC Forum Type 1, 2, 3, 4, and 5 tags. - What is the RF frequency used by the ST25R95-VMD5T?
The RF frequency is 13.56 MHz. - What type of package does the ST25R95-VMD5T come in?
The device comes in a 32-pin VFQFPN package. - What is the maximum operating temperature of the ST25R95-VMD5T?
The maximum operating temperature is 85°C. - How does the ST25R95-VMD5T communicate with the host controller?
The device communicates via a Serial Peripheral Interface (SPI) up to 2 Mbps. - What is the current consumption of the ST25R95-VMD5T?
The current consumption is approximately 70 mA. - Is the ST25R95-VMD5T compatible with MIFARE Classic?
Yes, it is MIFARE Classic compatible. - What are some common applications of the ST25R95-VMD5T?
Common applications include consumer electronics, gaming, healthcare, industrial automation, and NFC-enabled pairing for Wi-Fi and Bluetooth. - Does the ST25R95-VMD5T support card emulation mode?
Yes, it supports card emulation mode according to ISO/IEC 14443-3 Type A.
