BMA250 SHUTL

BMA250 SHUTL Datasheet

BMA250 Digital, triaxial acceleration sensor

Part	Datasheet
BMA250 SHUTL	BMA250 SHUTL (pdf)

Related Parts	Information
BMA250	BMA250

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BMA250 Digital, triaxial acceleration sensor Bosch Sensortec General description The BMA250 is an advanced, ultra-small, triaxial, low-g acceleration sensor with digital interfaces, aiming for low-power consumer electronics applications. The BMA250 allows measurement of accelerations in 3 perpendicular axes and thus senses tilt, motion, shock and vibration in cellular phones, handhelds, computer peripherals, man-machine interfaces, virtual reality features and game controllers. BMA250 target applications ff Display profile switching portrait/landscape, face-up/face-down switching ff Flat detection ff Tap sensing function ff Menu scrolling ff Gaming ff Advanced power management for mobile devices ff Shock and free-fall detection ff Step-counting ff Tilt compensation for electronic compass Sensor features With its size of only x the BMA250 represents a new generation of digital acceleration sensors. The BMA250 integrates a multitude of features that facilitate its use especially in the area of motion detection applications, such as device orientation detection, gaming, HMI and menu browser control. Featuring a full operation current consumption of only the BMA250 is ideally suited for mobile consumer electronic devices. In low-power mode operation the current consumption can be even further reduced by more than one order of magnitude. The BMA250 is highly configurable in order to give the designer full flexibility when integrating the sensor into his system. Sensor operation The BMA250 supports two modes of operation 1 Streaming data mode Acceleration data is directly read-out via the sensor’s digital interface and computed by a system µController, application processor or a base-band processor. 2 Interrupt engine mode Acceleration data is computed already within the BMA250 by the integrated, programmable interrupt engine. Depending on the programmable settings the integrated interrupt engine of the BMA250 signals the occurrence of certain events via the two interrupt pins. The corresponding registers of the BMA250 can easily be set and read-out via the digital sensor interface. BMA250 Technical data Digital resolution in ±2g range Measurement ranges programmable Sensitivity calibrated Zero-g offset over life-time Bandwidths programmable Digital inputs/outputs Supply voltage VDD I/0 supply voltage VDDIO Temperature range Current consumption ff full operation ff low-power mode LGA package Shock resistance SPI & I2C, 2x interrupt pins -40 +85°C data rate data rate data rate 2 x 2 x 2 \| Bosch Sensortec \| BMA250 Pin configuration top view pin #12 pin #1 BMA22520 VDDIO top view GNDIO INT1 INT2 VDDA pin #7 Pin Name Function 1 SDO SPI serial data output SDA, serial data input/ SDI, output VDDIO I/O supply voltage 4 N.C. Not connected 5 INT1 Interrupt output #1 6 INT2 Interrupt output #2 Supply voltage GNDIO Ground I/O 9 GND Ground 10 CSB SPI chip select 11 PS

PDF Datasheet Preview

BMA250 Digital, triaxial acceleration sensor

Bosch Sensortec

General description The BMA250 is an advanced, ultra-small, triaxial, low-g acceleration sensor with digital interfaces, aiming for low-power consumer electronics applications. The BMA250 allows measurement of accelerations in 3 perpendicular axes and thus senses tilt, motion, shock and vibration in cellular phones, handhelds, computer peripherals, man-machine interfaces, virtual reality features and game controllers.

BMA250 target applications ff Display profile switching portrait/landscape,
face-up/face-down switching ff Flat detection ff Tap sensing function ff Menu scrolling ff Gaming ff Advanced power management for mobile devices ff Shock and free-fall detection ff Step-counting ff Tilt compensation for electronic compass

Sensor features With its size of only x the BMA250 represents a new generation of digital acceleration sensors. The BMA250 integrates a multitude of features that facilitate its use especially in the area of motion detection applications, such as device orientation detection, gaming, HMI and menu browser control. Featuring a full operation current consumption of only the BMA250 is ideally suited for mobile consumer electronic devices. In low-power mode operation the current consumption can be even further reduced by more than one order of magnitude. The BMA250 is highly configurable in order to give the designer full flexibility when integrating the sensor into his system.

Sensor operation The BMA250 supports two modes of operation 1 Streaming data mode Acceleration data is directly read-out via the sensor’s digital interface and computed by a system µController, application processor or a base-band processor. 2 Interrupt engine mode Acceleration data is computed already within the BMA250 by the integrated, programmable interrupt engine. Depending on the programmable settings the integrated interrupt engine of the BMA250 signals the occurrence of certain events via the two interrupt pins. The corresponding registers of the BMA250 can easily be set and read-out via the digital sensor interface.

BMA250

Technical data

Digital resolution in ±2g range Measurement ranges programmable Sensitivity calibrated

Zero-g offset over life-time Bandwidths programmable Digital inputs/outputs

Supply voltage VDD I/0 supply voltage VDDIO Temperature range Current consumption ff full operation ff low-power mode

LGA package Shock resistance

SPI & I2C, 2x interrupt pins
-40 +85°C
data rate data rate data rate 2 x 2 x
2 | Bosch Sensortec | BMA250

Pin configuration top view pin #12
pin #1

BMA22520

VDDIO
top view

GNDIO

INT1

INT2

VDDA
pin #7

Pin Name Function
1 SDO SPI serial data output

SDA, serial data input/

SDI, output

VDDIO

I/O supply voltage
4 N.C. Not connected
5 INT1 Interrupt output #1
6 INT2 Interrupt output #2

Supply voltage

GNDIO Ground I/O
9 GND Ground
10 CSB SPI chip select
11 PS

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Datasheet ID: BMA250 SHUTL 521997