Bosch Sensortec

BMP390L

BMP390L Description

The BMP390L by Bosch Sensortec is a high-precision, low-power absolute pressure sensor designed for demanding applications requiring accurate environmental pressure measurements. Operating within a 4.35PSI to 18.13PSI (30kPa to 125kPa) range, it delivers an industry-leading accuracy of ±0.007PSI (±0.05kPa), making it ideal for applications where precision is critical. The sensor supports I2C and SPI digital interfaces, ensuring seamless integration with microcontrollers and embedded systems. Its surface-mount PCB termination and compact 10LGA package enable space-efficient designs, while its 1.65V–3.6V supply voltage range enhances compatibility with low-power systems.

BMP390L Features

• High Accuracy: ±0.007PSI (±0.05kPa) ensures reliable pressure readings in precision-critical applications.
• Wide Operating Range: Supports 4.35PSI–18.13PSI (30kPa–125kPa), suitable for diverse environmental conditions.
• Low Power Consumption: Operates at 1.65V–3.6V, optimizing energy efficiency for battery-powered devices.
• Dual Digital Interfaces: I2C and SPI compatibility for flexible system integration.
• Compact & Robust: Surface-mount 10LGA package with MSL1 (Unlimited) moisture sensitivity, ensuring durability.
• RoHS3 Compliant: Meets environmental and regulatory standards for global deployment.

BMP390L Applications

The BMP390L excels in applications requiring high-resolution pressure sensing, including:

• Altitude Tracking & Navigation: Drones, UAVs, and wearable fitness devices benefit from its precise altitude measurements.
• Weather Stations & Environmental Monitoring: Delivers accurate barometric pressure data for forecasting.
• Industrial Automation: Ideal for leak detection, HVAC systems, and pneumatic controls.
• Consumer Electronics: Enhances indoor navigation and context-aware features in smartphones and wearables.
• Medical Devices: Supports respiratory equipment and portable health monitors with reliable pressure feedback.

Conclusion of BMP390L

The BMP390L stands out as a high-performance, low-power pressure sensor with superior accuracy and versatility. Its compact design, dual digital interfaces, and wide operating range make it a preferred choice for precision sensing in industrial, consumer, and medical applications. While marked as obsolete, its proven reliability and Bosch Sensortec’s engineering excellence ensure it remains a viable solution for legacy and specialized systems requiring uncompromising pressure measurement performance.