The BMI088 has two distinct power supply pins: • VDD is the main power supply for the internal blocks • VDDIO is a separate power supply pin mainly used for the supply of the interface There are no limitations on the voltage levels of both pins relative to each other, as long as each of them lies within its operating range. Furthermore, the device can be completely switched off (VDD = 0V) while keeping the VDDIO supply on (VDDIO > 0V) or vice versa. When the VDDIO supply is switched off, all interface pins (CSB, SDI, SCK, PS) must be kept close to GNDIO potential. The device contains a power-on reset (POR) generator. It resets the logic part and the register values after powering-on VDD and VDDIO. This means that all application specific settings which are not equal to the default settings (refer to 6.2 register map accelerometer and to 8.2 register map gyroscope), must be changed back to their designated values after POR. Please note: the POR resets also the interface. For the gyroscope part, the interface is defined by the voltage level on the PS pin. The interface of the accelerometer part is defined by the voltage level of the CSB1 pin at the moment when the POR is initiated
> Description
BMI088 is an inertial measurement unit (IMU) for the detection of movements and rotations in 6 degrees of freedom (6DoF). It combines the functionality of two inertial sensors in one device: an advanced triaxial 16-bit gyroscope and a versatile, leading-edge triaxial 16-bit accelerometer. BMI088 is designed to meet all requirements for high performance consumer applications in harsh vibration environments such as those encountered in drones and robotics applications. The IMU is designed to effectively suppress vibrations above a few hundred Hz that could occasionally occur due to resonances on the pcb or the structure of the total system. The sensor has an extended measurement range of up to ±24g to avoid signal clipping under strong signal exposure. An evaluation circuitry (ASIC) converts the output of the micro-electro-mechanical sensing structures (MEMS), which are developed, produced and tested in BOSCH facilities. The corresponding chip-sets are packed into one single LGA 3.0mm x 4.5mm x 0.95mm housing. For optimum system integration, BMI088 is fitted with digital interfaces (SPI or I2C), offering a wide VDDIO voltage range from 1.2V to 3.6V. To provide maximum performance and reliability, each device is tested and is ready-to-use calibrated. To increase flexibility, both gyroscope and accelerometer can not only be operated individually, but tied together for data synchronization purposes. The on-chip features comprise FIFOs for acceleration and gyroscope data and interrupt controllers. The BMI088 has an excellent temperature behavior with an outstanding low temperature coefficient of the offset (TCO) and temperature coefficient of the sensitivity (TCS).
> Specifications
Product Attribute
Attribute Value
Product Category:
IMUs - Inertial Measurement Units
SMD/SMT
LGA-16
6-axis
I2C, SPI
Digital
3 g, 6 g, 12 g, 24 g
16 bit
1365 LSB/g, 16.4 LSB/deg/s
- 40 C
+ 85 C
2.4 V
3.6 V
5.15 mA
Reel
> Trading Guide
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