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The AS3933-BQFT is a high-performance, low-power, 3D low-frequency wake-up receiver from ScioSense, specifically designed for applications such as active RFID tags and real-time location systems (RTLS). This device operates within a frequency range of 15 kHz to 150 kHz and supports simultaneous operation on one, two, or three channels, enabling reliable 1D, 2D, or 3D wake-up pattern detection. With its ultra-low power consumption and robust interference immunity, it is particularly suitable for IoT devices, asset tracking, and access control systems requiring long battery life and high reliability.
Category:RF and Wireless;RFID, RF Access, Monitoring ICs
Manufacturer:ScioSense
Packaging:Tape & Reel (TR);Cut Tape (CT)
Part Status:Active
Type:RFID Reader
Frequency:15kHz ~ 150kHz
Voltage - Supply:2.4V ~ 3.6V
Operating Temperature:-40°C ~ 85°C
Mounting Type:Surface Mount
Package / Case:16-VQFN Exposed Pad
Supplier Device Package:16-QFN (4x4)
Base Product Number:AS3933
Ultra-Low Power Design: Typical current consumption of only 1.7 µA in three-channel listening mode, significantly extending battery life in portable devices.
3D Wake-Up Detection: Supports 1D, 2D, or 3D wake-up pattern detection through multiple channels, enabling reliable signal recognition in three-dimensional space and effectively preventing false wake-ups.
Programmable Wake-Up Pattern: Supports 16-bit or 32-bit Manchester-encoded programmable wake-up patterns, configurable sensitivity levels, and pseudo-wake-up counters, enhancing system flexibility.
High Interference Immunity: Features advanced detection algorithms with high resistance to false wake-ups, ensuring reliable operation in complex electromagnetic environments.
Flexible Antenna Tuning: Supports easy antenna tuning to achieve perfect matching with the desired carrier frequency, optimizing reception performance.
Multiple Clock Source Options: Includes an internal clock generator that can operate with a 32 kHz crystal, internal RC oscillator, or external clock source.
Digital RSSI Output: Provides a 5-bit digital RSSI value (2 dB per step) for each active channel, facilitating signal strength assessment.
Active RFID Tags: Enables tags in asset tracking, inventory management, and logistics applications to remain in low-power listening mode for extended periods, only waking up to transmit data when entering a reader zone.
Real-Time Location Systems (RTLS): Triggers tags to transmit location information via low-frequency wake-up signals in personnel positioning, tool tracking, and medical equipment management applications for precise positioning.
Access Control Systems: Used in access cards, vehicle identification, and personnel authentication systems to wake up cards for communication with readers for identity verification.
Wireless Sensor Networks: Allows sensor nodes in industrial monitoring, environmental sensing, and smart agriculture to remain dormant most of the time, only waking up when needed to collect and transmit data.
Operator Identification: Used in industrial automation and machinery control to identify operator identity, ensuring only authorized personnel can operate specific equipment.
IoT and Smart Home Applications: Enables low-power standby and remote wake-up functionality in smart locks, smart appliances, and security sensors.
The AS3933-BQFT from ScioSense is a high-performance, ultra-low-power 3D low-frequency wake-up receiver that perfectly combines 1.7 µA extreme low power consumption, 3D wake-up detection, and programmable features in a compact 4mm x 4mm QFN package. Its excellent interference immunity, flexible configuration options, and wide operating temperature range make it an ideal choice for implementing reliable, long-life wireless wake-up functionality in active RFID tags, real-time location systems, and IoT devices, particularly in applications with stringent requirements for battery life and reliability.
Industry Information
