SEN-14786 SparkFun

SJ-GU-TFmini-I C-01 A01 Benewake (Beijing) Co. Ltd. TFmini LiDAR Module (IC) 1. Product Overview Coupled with unique optical and electrical design, the product is based upon ToF (Time of Flight) and adopts 850nm infrared light source so as to measure distance with stability, precision, high sensitivity, and high speed. The product is built with algorithms adapted to various application environments so as to offer excellent distance measurement performances with low cost and small size. The product adopts multiple adjustable configurations for flexible use by the client, which is better to satisfy the end-users demand. 2. Technical Specifications and Parameters Table 1 Key Characteristic Parameters of TFmini -IC Description Parameter value Operating Range(Indoor) 0.3m~12m 4cm (0.3-6m) Measurement accuracy 1% (6m-12m) Product Range resolution 1cm performance Frequency 100Hz Light sensitivity 70klux Operating temperature 0~60C Light source LED Wavelength 850nm Optical parameters Receiving half angle 1.15 Transmitting half angle 1.5 Power supply voltage 5V Average current 140mA Electrical Average power 0.7W parameters Peak current 800mA Communication level 3.3V Wiring length 10cm Material of enclosure ABS+PC Others Weight 50.3g Storage temperature -20C ~75C www.benewake.com Page 1 SJ-GU-TFmini-I C-01 A01 Benewake (Beijing) Co. Ltd. This data is based on the indoor test with the standard white board (90% reflectivity) as the detection object. Maybe some errors of 6cm occurs due to the switchover of different distance modes within 0.3-2m. 3. Product Appearance and Structure Detection initial point Unit: mm Figure 1 Dimensional Drawing of TFmini-IC 4. Communication Protocol Table 2 Product Communication Protocol Communication interface IC Maximum transfer rate 400kbps Master/slave mode Slave mode Address range 0X10~0X78 Default address 0x10 5. Configurable Parameters Table 3 Examples of Configurable Parameters Configurable items Description Default 2 Slave address of TFmini at I C bus 0x10 Slave address Support automatic shift gear mode and fixed ranging gear mode Automatic Fixed ranging gear mode supports 3-gear setting, which corresponds to short Detection Pattern shift mode distance, middle distance and long distance respectively. www.benewake.com Page 2