Bosch Sensortec BMP390L High-performance longevity pressure sensor GENERAL DESCRIPTION BMP390L is part of Bosch Sensortecs BMP390L is a high-performance longevity digital barometric 1 longevity program pressure sensor with extended availability up to 10 years . BMP390L is specifically designed for industrial markets including robots, home appliances and logistics, among others, that need long lifecycles. TECHNICAL SPECIFICATIONS BMP390L Technical data 10-pin LGA with metal lid Package dimensions BMP390L TARGET APPLICATIONS 2.0 x 2.0 x 0.75 mm Industrial IoT (IIoT), e.g. localization and navigation Operating range Pressure: 300 1250 hPa (full accuracy) Logistics, e.g. asset tracking Supply voltage V 1.2 V 3.6 V DDIO White goods & home appliances, e.g. air flow detection Supply voltage V 1.65 V 3.6 V DD Precision agriculture, e.g. water-level detection Interface IC and SPI Robots (vacuum cleaners), e.g. clogging detection Average typical current Drones, e.g. flight stabilization consumption (1 Hz data 3.2 A at 1 Hz rate) Absolute accuracy SENSOR FEATURES P=300 ...1100 hPa 0.50 hPa The sensor is more accurate than its predecessors, covering a (T=0 ... 65 C) wide measurement range from 300 hPa to 1250 hPa. Relative accuracy This barometric pressure sensor exhibits an attractive price- Pressure (typ.) 0.03 hPa performance ratio coupled with low power consumption. p=7001100 hPa (equivalent to 25 cm) It is available in a compact 10-pin 2.0 x 2.0 x 0.75 mm LGA (T=25 40 C) package with metal lid. The BMP390L is ideally suited for RMS Noise in pressure industrial applications which require very high performance and lowest bandwidth, highest 0.02 Pa low power. resolution The new interrupt functionality provides simple access to data Temperature coefficient and storage. Examples of interrupts than can be issued in a offset 0.6 Pa/K power efficient manner without using software algorithms (25 40 C 900 Pa) include: data ready Interrupt, watermark interrupt (on byte level) Long-term stability 0.16 hPa or FIFO full Interrupt. (12 months) Solder drift <0.8 hPa BMP390L also includes a FIFO functionality. This greatly Maximum sampling rate 200 Hz improves ease of use while helping to reduce power consumption of the overall device system during full operation. The integrated 512 byte FIFO buffer supports low-power applications and prevents data loss in non-real-time systems. 1 Starting from product introduction see disclaimer in BMP390L datasheet Bosch Sensortec BMP390L 2 2 (TCO) of only 0.6 Pa/K. It is the improved sensor of the widely implemented BMP388 and achieves much higher performance in all applications requiring a precise pressure measurement. SENSOR OPERATION The BMP390L features IC and SPI (3-wire/4-wire) digital, serial interface. The sensor can be operated in three power modes: The sleep mode, the normal mode and the forced mode. In sleep mode, no measurements are performed. Normal mode comprises an automated perpetual cycling between an active measurement period and an inactive standby period. In forced mode, a single measurement is performed. When the measurement is finished, the sensor returns to sleep mode. A set of oversampling settings is available ranging from ultra-low power to highest resolution setting in order to adapt the sensor to the target application. The settings are predefined combi- Pin configuration nations of pressure measurement oversampling and temperature measurement oversampling. Pressure and temperature measurement oversampling can be selected independently from 0 to 32 times oversampling: TECHNICAL SPECIFICATIONS Temperature measurement Pin Ultra-low power Pin Name Description Low power 1 VDDIO Digital interface supply Standard resolution 2 SCK Serial clock input High resolution 3 VSS Ground Ultra-high resolution 4 SDI Serial data input Highest resolution 5 SDO Serial data output BMP390L is equipped with a built-in IIR filter in order to minimize 6 CSB Chip select short-term disturbances in the output data caused by the 7 INT INT output slamming of a door or window. The filter coefficient ranges from 0 (off) to 128. 8 VSS Ground 9 VSS Ground 10 VDD Analog supply SYSTEM COMPATIBILITY The BMP390L has been designed for best possible fit into The sensor module is housed in an extremely compact 10-pin consumer electronics and industrial devices. Besides the ultra- small footprint and very low power consumption, the BMP390L metal-lid LGA package with a footprint of only 2.0 x 2.0 and 0.75 and V supply voltages. package height. Its small dimensions and its lower power has very wide ranges for VDD DDIO consumption of 3.2 A at 1 Hz allow the implementation in battery driven devices. The emerging industrial markets of Headquarters robots (vacuum cleaners), drones, logistics, white goods and Bosch Sensortec GmbH home appliances require an excellent relative and absolute Gerhard-Kindler-Strasse 9 72770 Reutlingen Germany accuracy and a low TCO at the same time, which is available for Telephone +49 7121 3535 900 BMP390L. Fax +49 7121 3535 909 www.bosch-sensortec.com The BMP390L is perfectly suitable for applications like water- level detection as well as indoor/outdoor localization in numerous devices since the sensor features excellent relative accuracy of 0.03 hPa which is equivalent to 25 cm difference in altitude. The sensor also offers a temperature coefficient offset Data & Specification are preliminary and subject to change without notice Bosch Sensortec GmbH reserves all Doc.-Number: BST-BMP390L-FL000-01 / Version 1.1 072020 rights in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. BOSCH and the symbols are registered trademarks of Robert Bosch GmbH, Germany.