MMA6555KWR2

Series:	Automotive, AEC-Q100
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Digital
Axis:	X
Acceleration Range:	±105g
Sensitivity (LSB/g):	18.2
Sensitivity (mV/g):	--
Bandwidth:	--
Output Type:	SPI
Voltage - Supply:	3.135 V ~ 5.25 V
Features:	Selectable Low Pass Filter
Operating Temperature:	-40°C ~ 105°C (TA)
Mounting Type:	Surface Mount
Package / Case:	16-QFN Exposed Pad
Supplier Device Package:	16-QFN-EP (6x6)

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MMA6555KWR2 Application Field and Working Principle

Motion Sensors are divided into several categories based on their sensing capabilities. Of these, Accelerometers are the most common sensors used to measure linear velocities. The MMA6555KWR2 is a 3-axis accelerometer manufactured by Freescale Semiconductors, and it is widely used for different purposes in many industries including automotive, medical, and consumer electronics.The MMA6555KWR2 is an extremely versatile and accurate accelerometer that is designed to measure linear acceleration in three perpendicular directions. It contains a built-in microprocessor to process the measurements, giving it the ability to perform complex tasks such as temperature compensation and vibration control. The accelerometer is also capable of detecting changes in the earth’s gravity, making it suitable for monitoring applications in spaceships.The working principle of MMA6555KWR2 is based on the theory of capacitance. It is composed of a series of capacitors called proof masses, which are connected to the sides of the device. These proof masses are made of metal or ceramic and they move in response to an external force, such as acceleration. This movement causes the capacitance of the proof masses to vary, which is detected by the sensor circuitry. The changes in capacitance are converted into analog signals, which are then processed and sent to an output interface.The MMA6555KWR2 is capable of providing linear acceleration measurements in three axes, as well as vibration and temperature compensation. It is well-suited for applications such as automotive tire pressure monitoring, airbag deployment, and automotive inertial navigation systems. It can also be used in consumer electronic devices such as tablets and smartphones, as well as in medical applications like movement monitoring.One of the main advantages of the MMA6555KWR2 is that it is very reliable and durable, making it suitable for use in harsh environments. It is also inherently low power, as its use of digital signal processing technology allows it to use less power than other types of accelerometers. Finally, the low-cost and compact design make it a great choice for smaller projects requiring accurate measurement of motion and forces.In conclusion, MMA6555KWR2 is a versatile and precise accelerometer suitable for a wide range of different applications. Its reliable performance and low-power operation make it a great choice for anyone who needs a reliable accelerometer for their project.

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