Radar – precise motion sensing 24GHz industrial radar What is new in the world of sensing? ››Infineon recently launched the Markets market’s smallest 24GHz industrial radar chip solution, BGT24LTR11N16 ››New small form factor and reduced power enables new markets and applications ››Wide range of applications ranging from smart lighting motion detection to multicopter collision avoidance ››Released alongside new Sense2GoL demoboard to enable customer designs Street and office lighting ››Presence and motion detection What data can you get with our radar sensor? Speed/velocity ››Derived from Doppler shift in frequency Range/distance to target ››Derived from measurement of electromagnetic wave Angle/direction to target ››Derived from phase difference at the antennas Position of object ››Derived from FMCW (Frequency-Modulated Continuous-Wave radar) Enabling soft landings, collision avoidance and height control Providing light seamlessly through smart motion detection For more information visit www.infineon.com/24GHz-Radar Home automation ››Presence and motion detection ››Surveillance/security ››HVAC control ››Automatic doors Robotics ››Collision detection ››Presence and motion detection ››Sanitary ››Lawnmower ››Vacuum cleaner UAV/multicopter ››Collision detection and avoidance ››Landing sensor (altimeter) ››Height control Industry 4.0, IoT, and UAV applications Benefits of radar ››Accuracy – configurable to high level of precision up to 50 m for humans and 150 m for cars ››Sensitivity – much finer movement detection than PIR (e.g. occupancy sensor application for people in room typing on keyboard à cannot be detected by PIR; respiration sensitivity à down to 2 mm movement) ››Size – smallest and most cost effective chip solution in market ››Speed – radar differentiates between moving and stationary objects (FMCW) ››Resistance – operational within wide range of atmospheric variations (e.g. temperature changes, humidity, dust, etc.) Conserving energy through smart street lighting applications Utilising direction of travel to only open doors when necessary BGT24LTR11N16 – technical insights Block diagram 0° Tx_ON 2.4 mm f-div VTUNE R_TUNE The VCO frequency is kept within the ISM band using the internal PTAT circuit, no external PLL or tuning circuitry required for frequency stabilization. The frequency band can be shifted using an external tuning resistor. 20 30 40 50 60 70 85 30 13 IFI Q1 31 12 IFQ VEE 32 11 VEE 1 2 3 4 5 6 7 8 9 10 Comparison TX_ON TEMP Size 1 16 15 14 13 VEE 2 12 VEE TX 3 11 RX VEE 4 2.4 VCC IFIX 10 VEE 5 6 7 8 9 VCC CS TEST PIN 14 IFQ CLK 15 29 IFI SI TEST PIN 28 VCC_PTAT VEE 16 LO VCCTEMP DIV_OUT TX 17 VCC_DIV TXX 18 V_PTAT VEE 19 V_TUNE ANA 20 R_TUNE TXOFF 21 VEE 10 Temperature [°C] 22 IFQX 0 23 VEE 24100 -40 -30 -20 -10 24 VCC 24120 25 RFIN 24140 BGT24L 26 COARSE 24160 27 VEE 4.5 24180 N.C. FINE 24200 Q2 24220 Q1N 24240 VCO frequency [MHz] BGT24M 8 kΩ 16 kΩ 24 kΩ VEE RFIN VEE PTAT VCC_DIV DIV 24260 LNA Balun Balun Balun Balun MPA Polyphase filter 90° VEE Tx VEE Balun IFI IFQ Balun 2.4 mm VCC 2.4 5.5 New – Sense2GoL demoboard V_PTAT VCC_PTAT Easy to use design tools ››Chip evaluation board to perform basic measurements with the chip (EVAL_BGT24LTR11_BOARD) ››Demo kit to get a feel for motion detection using 24GHz radar sensing (Sense2GoL) ››Complete datasheets and applications notes available to kick start your design Key features of the new Sense2GoL demoboard 25 mm ››BGT24LTR11 – 24GHz highly Kit contents 25 mm ››User manual ››Firmware for motion detection ››SW GUI for radar signal obser- vation ››PCB schematic and gerber files 50 mm Radar main PCB Published by Infineon Technologies AG 81726 Munich, Germany © 2016 Infineon Technologies AG. All Rights Reserved. Breakable debugger PCB Please note! THIS DOCUMENT IS FOR INFORMATION PURPOSES ONLY AND ANY INFORMATION GIVEN HEREIN SHALL IN NO EVENT BE REGARDED AS A WARRANTY, GUARANTEE OR DESCRIPTION OF ANY FUNCTIONALITY, CONDITIONS AND/OR QUALITY OF OUR PRODUCTS OR ANY SUITABILITY FOR A PARTICULAR PURPOSE. WITH REGARD TO THE TECHNICAL SPECIFICATIONS OF OUR PRODUCTS, WE KINDLY ASK YOU TO REFER TO THE RELEVANT PRODUCT DATA SHEETS PROVIDED BY US. OUR CUSTOMERS AND THEIR TECHNICAL DEPARTMENTS ARE REQUIRED TO EVALUATE THE SUITABILITY OF OUR PRODUCTS FOR THE INTENDED APPLICATION. WE RESERVE THE RIGHT TO CHANGE THIS DOCUMENT AND/OR THE INFORMATION GIVEN HEREIN AT ANY TIME. Order Number: B132-I0397-V1-7600-EU-EC-P Date: 10/ 2016 integrated low-power MMIC ››XMC1302 ARM® Cortex®-M0 – 32-bit industrial microcontroller ››Multiple integrated patch antennas available (default 1 x 4 with FOV = 28° x 80°) ››Segger debugger breakoff board for reprogramming Additional information For further information on technologies, our products, the application of our products, delivery terms and conditions and/or prices, please contact your nearest Infineon Technologies office (www.infineon.com). Warnings Due to technical requirements, our products may contain dangerous substances. For information on the types in question, please contact your nearest Infineon Technologies office. Except as otherwise explicitly approved by us in a written document signed by authorized representatives of Infineon Technologies, our products may not be used in any life- endangering applications, including but not limited to medical, nuclear, military, life-critical or any other applications where a failure of the product or any consequences of the use thereof can result in personal injury.
* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project