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Bosch Sensortec
体积小。功耗低。针对可穿戴设备而优化

惯性测量单元:BMI270

BMI270是一款超低功耗智能IMU,专为可穿戴及可听戴设备应用优化。IMU通过精准的加速度与角速度测量功能,结合智能化的片上运动触发中断特性,实现高效集成。BMI270集成直观手势识别、环境感知与活动监测功能,并内置即插即用型计步器。

  • 超低功耗
  • 专为可穿戴及可听戴设备应用优化设计
  • 集成直观活动监测、环境感知与手势识别功能
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灵活地集成其他软件

可编程性

BMI270软件驱动程序链接

数字分辨率
加速度计(A):16位或0.06 mg/LSB
陀螺仪(G):16位或0.004 dps/LSB
可编程测量范围和灵敏度
(A):±2 g:16384 LSB/g

(A):±16 g:2048 LSB/g

(G):±125 dps:262.1 LSB/dps

(G):±2000 dps:16.4 LSB/dps
零重力/零速率偏移
(A):± 20 mg
(G):±0.5 dps
灵敏度误差
(A):± 0.4%
(G):±0.4%(带CRT)
温度范围
-40 … +85 °C
温度行为
(TCO; TCS)
(A):±0.25 mg/K;±0.004 %/K
(G):±0.02 dps/K;±0.02 %/K
噪声密度
(A):160 µg/√Hz
(G):0.007 dps/√Hz
偏移与PCB应变
(A):±0.01 mg/µε
(G):±1.5 mdps/µε
滤波器带宽(可编程)
(A): 5 Hz … 684 Hz
(G): 11 Hz … 751 Hz
输出数据速率(ODR)
(A): 12.5 Hz … 1.6 kHz
(G): 25 Hz … 6.4 kHz
数字输入/输出
2x SPI;2x I2C;AUX接口;OIS接口
2个数字中断
电源电压
1.7 … 3.6 VDD
1.2 … 3.6 VDDIO
电流消耗
满ODR时685 µA(无混叠)
封装尺寸
2.5 x 3.0 x 0.8 mm³
14针LGA

文档

BST-BMI270-FL000

宣传单页

BST-BMI270-FL000

BST-MIS-HS000

操作、焊接及安装说明

BST-MIS-HS000

BST-BMI270-SF000

开发板试用宣传单

BST-BMI270-SF000

BST-MIS-SP001

发货及包装详情

BST-MIS-SP001

BST-BMI270-DS000

数据表

BST-BMI270-DS000

BST-BMI270-AN000

应用说明:情境与活动识别

BST-BMI270-AN000

BST-BMI270-AN001

应用说明:最大FIFO

BST-BMI270-AN001

BST-BMI270-AN002

应用说明:传统功能

BST-BMI270-AN002

BST-BMI270-AN005

应用说明:门锁状态检测

BST-BMI270-AN005

软件

外部链接图标

驱动程序

内部链接图标

传感器融合软件

应用场合与解决方案

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FAQs for the BMI270

Typical applications include wearables, hearables, smart clothing, activity and context recognition, and augmented or virtual reality devices.

Yes. The BMI270 includes on-chip features such as any-motion, no-motion, stationary detection, significant motion and activity-change recognition.

Yes. Bosch provides a dedicated wrist-worn step counter and detector optimized for smartwatches, bands and fitness trackers. The counter is optimized for accuracy while the detector is optimized for low latency.

Yes. Its auxiliary I²C interface can connect an additional sensor such as a magnetometer or pressure sensor and synchronize that data with the IMU.

Yes. The BMI270 provides a high-speed SPI interface and dedicated functionality for OIS and Dual OIS applications.