Overview
The ST25RU3993-BQFT is a RAIN® (UHF) RFID single chip reader developed by STMicroelectronics. This device is designed to operate within the 840-960 MHz UHF band and is compatible with various RFID protocols, including ISO 18000-6C (EPC Class1 Gen2), ISO 29143, and ISO 18000-6A/B through direct mode. It is packaged in a 48-pin QFN (7x7x0.9 mm) package, making it suitable for use in mobile and embedded applications where space and power efficiency are critical.
Key Specifications
| Type | Read |
|---|---|
| Clock Frequency-Max | 960 MHz |
| Supply Current | 180 mA |
| Supply Voltage | 2.7 V to 3.6 V (limited operation down to 2.7 V, max PA supply voltage 4.3 V) |
| Sensitivity | -90 dBm |
| Frequency Range | 840 MHz to 960 MHz |
| Power Dissipation | 1.6 W |
| Operating Temperature Range | -40°C to +85°C |
| Storage Temperature Range | -55°C to +125°C |
| No of Terminals | 48 |
| Moisture Sensitivity Level | 3 |
| Package Style | QFN-48 |
| Mounting Method | Surface Mount |
Key Features
- Multi-protocol support for ISO 18000-6C (EPC Class1 Gen2), ISO 29143, and ISO 18000-6A/B through direct mode.
- Integrated supply regulators and power amplifier.
- Frequency hopping support and dense reader mode (DRM) functionality.
- ASK or PR-ASK modulation and automatic I/Q selection.
- Phase bit for tag tracking with 8-bit linear RSSI.
- High sensitivity and immunity against antenna reflection and self-jamming.
- Low power consumption, making it suitable for portable and battery-powered equipment.
- Requires only an external 8-bit microcontroller to create a complete RFID reader system.
Applications
- Mobile and embedded applications, such as mobile phones and handheld devices.
- Inventory management and tracking systems.
- Supply chain management and logistics.
- Access control and security systems.
- Healthcare and medical device tracking.
Q & A
- What is the operating frequency range of the ST25RU3993-BQFT? The operating frequency range is 840 MHz to 960 MHz.
- What is the supply voltage range for the ST25RU3993-BQFT? The supply voltage range is 2.7 V to 3.6 V, with limited operation possible down to 2.7 V and a maximum PA supply voltage of 4.3 V.
- What is the sensitivity of the ST25RU3993-BQFT? The sensitivity is -90 dBm.
- What is the package style and mounting method of the ST25RU3993-BQFT? The package style is QFN-48, and the mounting method is surface mount.
- What protocols does the ST25RU3993-BQFT support? It supports ISO 18000-6C (EPC Class1 Gen2), ISO 29143, and ISO 18000-6A/B through direct mode.
- What are the key features of the ST25RU3993-BQFT? Key features include integrated supply regulators, frequency hopping support, DRM functionality, ASK or PR-ASK modulation, and high sensitivity.
- What is the typical application of the ST25RU3993-BQFT? Typical applications include mobile and embedded devices, inventory management, supply chain management, access control, and healthcare tracking.
- How does the ST25RU3993-BQFT handle power consumption? It operates at very low power, making it suitable for use in portable and battery-powered equipment.
- What external components are required to create a complete RFID reader system with the ST25RU3993-BQFT? Only an external 8-bit microcontroller is required.
- What is the operating temperature range of the ST25RU3993-BQFT? The operating temperature range is -40°C to +85°C.
