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Bosch Sensortec
High accuracy. Low-noise. Unique field shock recovery feature

Magnetometer BMM350

BMM350 is a very small, high-performance, and low-current 16-bit 3-axis magnetometer. The digital sensor is ideally suited for a wide range of consumer applications such as AR/VR, head orientation, indoor navigation, magnetic compass, high-end gaming, and dead reckoning. The sensor is based on Bosch Sensortec’s proprietary TMR technology. The BMM350 magnetic sensor offers outstanding design flexibility, providing a single monolithic package solution.

  • Unique field shock recovery feature
  • High accuracy and ultra-low noise due to TMR technology
  • Very low power consumption
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Navigation

Reduced motion <br/>sickness in AR/VR icon

Reduced motion
sickness in AR/VR

Positioning and<br/> speed detection icon

Positioning and
speed detection

Head orientation for 3D Audio

Technical data

Package dimensions
1.28 x 1.28 x 0.5 mm³ wafer level chip scale package (WLCSP)
Operating range
-40 °C to 85 °C
Supply voltage
VDDIO: 1.72 V … 3.6 V
VDD: 1.72 V … 1.98 V
Typical output noise rms
3dB BW = ODR/2
± 190 nTrms (x,y axis) and
± 450 nT rms (z axis)
Sensitivity Temperature Drift (typ.)
± -0.010 %/K
Average typical current consumption
200 µA @ 100 Hz in normal mode
Magnetic field range, all axes
± 2000 µT
Zero-field offset drift after soldering (typ.)
± 25 µT
Sensitivity/gain error after soldering (typ.)
± 1 %
Interface
I2C and I3C
TCO error (typ.)
± 200 nT/K
Maximum sampling rate
400 Hz (normal mode)

Documents

BST-BMM350-DS001

Datasheet

BST-BMM350-DS001

BST-BMM350-FL000

Flyer

BST-BMM350-FL000

BST-BMM350-HS000

Handling, soldering and mounting instruction

BST-BMM350-HS000

BST-BMM350-SP000

Shipment packaging details

BST-BMM350-SP000

BST-BMM350-SF000

Shuttle board flyer

BST-BMM350-SF000

Software

External Link Icon

Drivers

Applications and solutions

Stories

Man and woman doing push ups with fitness trackers

Capturing the Moment - How smart sensors allow you to focus on the things that count

Capturing the moment and telling a story with a single image – that’s the passion of photographer Johannes Arnold. When searching for exciting subjects on the streets of Berlin, he has to fully focus on the surroundings and keep his hands free. This is made possible by his trusted companions: smart hearables. The built-in sensors from Bosch Sensortec allow users to make phone calls with ease and to operate smart devices by means of gestures or voice input.

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Connect with our community of developers, share your expertise, and discover the latest in sensor technology. Join the Bosch Sensortec community now and access exclusive resources, insights, and discussionsConnect with our community of developers, share your expertise, and discover the latest in sensor technology. Join the Bosch Sensortec community now and access exklusive resources, insights and discussions.