Friends of the General Assembly of the United States has launched the world's most advanced 6-axis motion sensor---ST's iNEMO series of inertial motion sensors, the latest product LSM6DS3H, fully supporting the image stabilization system for smart phones, tablet computers and digital cameras (image stabilizaTIon) . The product integrates a 3-axis gyroscope, a 3-axis accelerometer, and ultra-low-power processing circuitry in a system-in-package solution to achieve the industry's lowest power consumption and smallest package size.
Electronic image stabilization (EIS, Electronic Image StabilizaTIon) and OIS (OpTIcal Image StabilizaTIon) technology help to minimize image out-of-focus and blur caused by camera shake during shooting. Originally developed for professional cameras, electronic image stabilization and optical anti-shake technology are now widely used by more and more smart phones and tablet computers to avoid blurring of images caused by hand shake.
The ST of the United University is a design expert for high-end OIS gyroscopes. It is also a technology pioneer for dual-core gyroscopes that can simultaneously handle user actions, gesture recognition, and anti-shake functions. The LSM6DS3H combines ST's technical expertise in these two areas. And advantages. This ultra-low-power miniature MEMS module helps equipment manufacturers minimize product size and system complexity and cost; the anti-shock system with two single-function gyroscopes requires 5mA of operating current [1], new The product consumes less than 1 mA, significantly reducing the power consumption of the mobile device's anti-shake system and successfully extending battery life.
Figure 1 - Schematic diagram of ST LSM6DS3H represented by Dalian United Friends
The main features of the LSM6DS3H:
• Ultra-low power motion sensor (0.85mA in normal mode and 0.4mA in low power mode), the gyroscope is always working.
• The accelerometer consumes only 10 uA in low power mode, which is 60% lower than the previous generation 6-axis module (LSM6DS3).
• Supports both EIS and OIS functions; optional I2C or SPI main interface, and a dedicated SPI interface for camera modules; 2.5mm X 3mm X 0.83mm micro package.
• The accelerometer's output data rate (ODR, Output Data Rate) is up to 6.66 kHz, and the gyroscope's output data rate is up to 3.33 kHz.
• Dynamic Data Batch Processing Smart FIFO and smarter power management: 4KB FIFO with 4KB (FIFO or programmable) flexible combination.
• Accelerometer full scale: +/- 2; +/- 4; +/- 8; +/- 16g.
• Full angular rate range: +/- 125; +/- 245; +/- 500; +/- 1000; +/- 2000 dps.
• Supply voltage range: 1.71-3.6V; independent input and output voltage as low as 1.62V.
• SPI/I2C serial interface data synchronization function.
• Embedded temperature sensor.
The LSM6DS3H is internally tested against the power consumption of an OIS-specific gyroscope plus a 6-axis MEMS module's motion sensing/user interface.
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