Infineon BGT60LTR11AIP First Completely Autonomous Radar Sensor
Low power 60 GHz Doppler radar sensor with antennas in package for motion and direction motion
The BGT60LTR11AIP MMIC from Infineon is a fully integrated microwave motion sensor including Antennas in Package (AIP) as well as built-in motion and direction of motion detectors. A state machine enables operation of the device autonomously, i.e., without an external microcontroller or further signal processing.
The MMIC has four quad-state input pins that give the performance parameters flexibility, even in this autonomous mode. The detection threshold or sensitivity has 16 different levels in order to fulfill a configurable detection range from 0.5 m up to 7 m with a typical human target Radar Cross Section (RCS). Hold time is also configurable in 16 levels in autonomous mode, which allows detection status to be held from 0.1 s up to 30 minutes. The device can achieve power consumption of less than 2mW with adjustable duty cycling.
The small, 3.3 × 6.7 × 0.56-mm³ BGT60LTR11AIP MMIC by Infineon has integrated antennas. This eliminates antenna design complexity at user end and allows the PCBs to be designed with standard FR4 materials.
These features make this small-sized radar solution a compelling smart and cost-effective replacement for conventional PIR sensors, even in low power or battery-powered products. In addition, the BGT60LTR11AIP addresses a huge variety of applications that can benefit from smart motion detection - whether to save energy, protect privacy or improve the user experience of smart devices.
|Current Consumption||110 mA|
|Frequency min max||60.5 GHz 61.5 GHz|
|Max Detection Range||7m (autonomous) ; 14m (signal processing)|
|Number of Rx Antennas||1|
|Number of Tx Antennas||1|
|Speed [m/s]||0.01m/s (4Hz) up to 2.5 m/s (1kHz)|
|Supply Voltage||1.5 V|
|Target Application||Smart Building; Smart appliances; Smart home security and alarm systems including IP cameras; Displays such as TVs, monitors, laptops or tablets; Lighting systems and lighting control (mainly indoor lighting); Air conditioners; Automated door openers; Contactless switches; Multicopter and drones; Smart Home devices|
|Temperature Range||-20 to + 85°C|
The BGT60LTR11AIP shield can be attached to an Arduino MKR board or the included Infineon Radar Baseboard MCU7. Infineon’s Toolbox supports this platform with a demonstration software and a Radar GUI to display and analyze acquired data in time and frequency domain. It further enables to change various performance parameters of the BGT60LTR11AIP in order to evaluate this radar sensor.
Radar baseboard MCU7