
BMI270 Series 3.6 V 685 µA Smart Ultra-low Power Inertial Measurement Unit
BMI270 is an ultra-ow power IMU optimized for wearable applications. This article will unlock its pinout, application, datasheet, comparison and more details about BMI270.
BMI270 Series 3.6 V 685 μA Smart Ultra-low Power Inertial Measurement Unit BMI270 is an ultra-ow power IMU optimized for wearable applications. This article will unlock its pinout, application, datasheet, comparison and more details about BMI270.
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Apr 29, 2022
Adair Toland

BMI270 Series 3.6 V 685 µA Smart Ultra-low Power Inertial Measurement Unit
BMI270 is an ultra-ow power IMU optimized for wearable applications. This article will unlock its pinout, application, datasheet, comparison and more details about BMI270.

BMI270 Pinout
| Pin NO. | Description |
| 1 | SDO, Serial data output in SPI 4W |
| 2 | ASDx, Aux interface / OIS interface |
| 3 | ASCx, Aux interface / OIS interface |
| 4 | INT1, Interrupt Pin 1 |
| 5 | VDDIo, Digital Vo supply voltage (1.2 .. 3.6V) |
| 6 | GNDio, Ground for V0 |
| 7 | GND, Ground for digital and analogue |
| 8 | VDD, Power supply analog and digital (1.71 .. 3.6V) |
| 9 | INT2, Interrupt Pin 2 |
| 10 | OCSB, Ols interface |
| 11 | OSDO, OIS interface |
| 12 | CSB, Chip select for SPI mode |
| 13 | SCx, SP/4C serial clock (SCK/SCL) |
| 14 | SDx, Serial data Vo |
Symbol

BMI270 Symbol
Footprint

BMI270 Footprint
3D Model

BMI270 3D Model
BMI270 is an ultra-low-power IMU optimized for wearable applications. The IMU combines precise acceleration and angular rate measurement with intelligent on-chip motion-triggered interrupt features. The 6-axis sensor combines a 16-bit triaxial gyroscope and a 16-bit triaxial accelerometer in a compact 2.5 x 3.0 x 0.8 mm3 LGA package.
●Compact standard size LGA mould package, 14 pins, footprint 2.5x3.0mm2 height 0.83mm
●Primary digital interface with 10 MHz slave SPI (4-wire, 3-wire) and up to 1MHz PC (Fm+)
●Output data rates (ODR): 25 Hz. 6.4 kHz (gyroscope) and 0.78 Hz .. 1.6 kHz (accelerometer)
●Programmable low-pass filter (accelerometer I gyroscope): bandwidth ca. 513... 680 I 890 Hz.
●Wide power supply range: Analog VDD 1.71V .. 3.6V and independent VDDIO 1 2...3.6V
●Ultra-low current consumption: Typ. 685 μA (in full ODR and aliasing-free operation)
●Performance mode for a gyroscope to minimize noise level: typ. < 8 mdps /vHz.
●The built-in power management unit (PMU) for advanced power management and low power modes
●Rapid startup time: 2 ms for gyroscope (in fast start mode) and 2 ms for accelerometer
● Freely configurable secondary digital interface
●400 kHz PC (Fm) master interface hub for 1 I2C AUX sensor (e.g. ext. magnetometer, pressure)
●data synchronized to IMU
●10 MHz slave SPI (4-wire, 3-wire) for high speed, calibration-free OIS / Dual OIS (SPI) applications
●up to 6.4 kHz ODR, control register access and max 676 us group delay
●2 KB on-chip FIFO buffer for accelerometer, gyroscope, timestamps, and AUX sensor data
●Fast offset error compensation for accelerometer and gyroscope
●Fast sensitivity error compensation for gyroscope (CRT, max sensitivity error < 1%)
●HW synchronization of accelerometer, gyroscope, and AUX sensor (< 1 μs)
●Sensor time stamps for accurate system (host) and sensor (IMU) time synchronization (<40 μus)
●2 independent programmable Vo pins for interrupt and synchronization events
●RoHS compliant, halogen and lead-free
●Wearables
●Hearables
●Smart clothing
●Augmented / virtual reality (AR/VR)

BMI270 is designed to best fit into modern embedded CE wearable/hearable devices and provides a primary digital interface (I2C and SPI) and a freely configurable secondary digital interface (I2C and SPI).
BMI270 is available in two application-specific versions: gesture and context & activity. The 'gesture' version includes flick in/out, arm up/down, and wrist tilt features. This version is designed for Wear OS by GoogleTM1 thus ensuring a user-friendly and feature-rich experience for end-users. The 'context and activity' version has advanced features for recognizing context activity and activity change, for example standing, walking and being in a vehicle (e.g. parking).
Bosch Sensortec BMI270 technical specifications, attributes, parameters and parts with similar specifications to Bosch Sensortec BMI270.
Bosch Sensortec BMI270 technical specifications, attributes, parameters and parts with similar specifications to Bosch Sensortec BMI270.
| Product Attribute | Attribute Value | |
|---|---|---|
| Factory Lead Time | 14 Weeks | |
| Mounting Type | Surface Mount | |
| Package / Case | 14-VFLGA | |
| Operating Temperature | -40°C~85°C |
| Product Attribute | Attribute Value | |
|---|---|---|
| Packaging | Tape & Reel (TR) | |
| Part Status | Active | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | |
| Output Type | I2C, SPI |
| Product Attribute | Attribute Value | |
|---|---|---|
| Sensor Type | Accelerometer, Gyroscope, 6 Axis | |
| RoHS Status | ROHS3 Compliant |

BMI270 Package
Bosch Sensortec GmbH is a fully owned subsidiary of Robert Bosch GmbH dedicated to the world of consumer electronics; offering a complete portfolio of micro-electro-mechanical systems (MEMS) based sensors and solutions that enable mobile devices to feel and sense the world around them. Bosch Sensortec develops and markets a broad portfolio of MEMS sensors, solutions and systems for applications in smartphones, tablets, wearable devices, and various products within the IoT (Internet of Things).
Download datasheets and manufacturer documentation for BMI270
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