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Bosch Sensortec
易于使用。高精度。功耗低。

惯性测量单元:BMI323

BMI323是一款通用型低功耗惯性测量单元(IMU),集精准的加速度和角速度(陀螺仪)测量功能与智能化的片上运动触发中断特性于一体。该器件旨在为各类应用提供快速、精确的惯性传感解决方案。它是一款易于使用的IMU,具备集成化功能组合。

  • 易用型标准IMU
  • I3C、I2C、SPI接口
  • 低噪声陀螺仪
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角度与位置检测

移动探测

健身追踪

点击识别

技术数据

数字分辨率
加速度计(A):16位
陀螺仪(G):16位
分辨率
(A):16位或0.06 mg/LSB
(G):16位或0.004 dps/LSB
测量范围和灵敏度(校准后)
(A)
±2 g:16384 LSB/g
±4 g:8192 LSB/g
±8 g:4096 LSB/g
±16 g:2048 LSB/g
(G)
±125 °/s:262.1 LSB/°/s
±250 °/s:131.1 LSB/°/s
±500 °/s:65.5 LSB/°/s
±1000 °/s:32.8 LSB/°/s
±2000 °/s:16.4 LSB/°/s
零偏移(整个使用寿命期间的典型值)
(A):± 50 mg
(G):± 1°/s
TCO
(A):± 0.3 mg/K
(G):± 0.04 °/s/K
噪声密度(典型值)
(A):180 μg/√Hz
(G):0.007 °/s/√Hz
带宽(可编程)
(A) 6.2 Hz ...1677 Hz
(G) 6.2 Hz ...563 Hz
可选输出数据传输速率
12.5 Hz ...6.4 kHz
数字输入/输出
SPI、I2C、I3C
输出数据传输速率(ODR)
(A):12.5 Hz … 6.4 kHz
(G): 25 Hz … 6.4 kHz
数字输入/输出
I2C、I3C和SPI
2个数字中断
电源电压
1.71 ...3.63 V (VDD)
1.08 ...3.63 V (VDDIO)
温度范围
-40 ...+85 °C
电流消耗(高性能模式,A+G)
790 μA
LGA封装
2.5 x 3.0 x 0.83 mm³

文档

BST-BMI323-FL000

宣传单页

BST-BMI323-FL000

BST-BMI323-DS000

数据表

BST-BMI323-DS000

BST-MIS-HS000

操作、焊接及安装说明

BST-MIS-HS000

BST-BMI323-SF000

评估板宣传单页

BST-BMI323-SF000

BST-MIS-SP001

发货及包装详情

BST-MIS-SP001

软件

外部链接图标

驱动程序

应用场合与解决方案

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TechTechnical FAQs for the BMI323

The BMI323's integrated feature engine supports motion detection, step counting, orientation detection and tap detection, and its feature set can be optimized for wearable, hearable and mobile applications.

Yes. Its on-chip interrupt engine includes single-, double- and triple-tap detection together with motion and orientation features.

Yes. The device includes dedicated low-power operation for motion sensing and integrated smart features intended for always-on applications.

Yes. In suspend mode the device maintains its configuration and its registers remain accessible through the digital interface.

Yes. Bosch states that the feature set can be optimized through the API for wearable, hearable and mobile applications.