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0-273-141-043 Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers

Part No. 0-273-141-043
Description  Digital, triaxial acceleration sensor
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Maker  ETC2 [List of Unclassifed Manufacturers]
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Data sheet
BMA150
Triaxial, digital acceleration sensor
Bosch Sensortec
Rev. 1.5
Page 2
30 May 2008
© Bosch Sensortec GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such
as copying and passing on to third parties. BOSCH and the symbol are registered trademarks of Robert Bosch GmbH, Germany.
Note: Specifications within this document are subject to change without notice.
BMA150
Digital, triaxial
±2g/±4g/±8g acceleration sensor
Key features
Three-axis accelerometer
Temperature output
Small package
LGA package
Footprint 3mm x 3mm, height 0.90mm
Digital interface
SPI (4-wire, 3-wire), I²C, interrupt pin
Programmable functionality g-range ±2g/±4g/±8g, bandwidth 25-1500Hz, internal
acceleration evaluation for interrupt trigger also enabling
stand-alone capability (without use of microcontroller),
self-test
Ultra-low power ASIC
Low current consumption, short wake-up time,
advanced features for system power management
Eco-friendly
RoHS compliant, Lead(Pb)-free
Halogen-free (part number 0 273 141 043 only)
Typical applications
HDD protection
Menu scrolling, tap sensing function
Gaming
Pedometer/step-counting
Drop detection for warranty logging
Display profile switching
Advanced system power management for mobile applications
Shock detection
General description
The BMA150 is a triaxial, low-g acceleration sensor IC with digital output for consumer market
applications. It allows measurements of acceleration in perpendicular axes as well as absolute
temperature measurement.
An evaluation circuitry converts the output of a three-channel micromechanical acceleration-
sensing structure that works according to the differential capacitance principle.
Package and interface have been defined to match a multitude of hardware requirements. Since
the sensor IC has small footprint and flat package it is attractive for mobile applications. The
sensor IC can be programmed to optimize functionality, performance and power consumption in
customer specific applications.
The BMA150 senses tilt, motion and shock vibration in cell phones, handhelds, computer
peripherals, man-machine interfaces, virtual reality features and game controllers.
The BMA150 is the LGA package version of the SMB380 triaxial acceleration sensor which is
available in a 3mm x 3mm x 0.9mm QFN package.




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