Sensor Toolbox for Accelerometer, Pressure and Proximity Sensors Sensor and Actuator Products
Sensors Acceleration Pressure Proximity Freescale Market share position: #3 Proliferation of embedded control driving demand Sensors are one of our fastest-growing product line with 18% market growth projected in 2009* Uniquely positioned with system-in-package (SiP) technology Leveraging high-volume, high-quality automotive manufacturing into consumer and industrial markets Creating portfolio of highly integrated, easy-to-use acceleration, pressure and proximity sensors *Sources: Gartner Dataquest, Strategy Analytics 2
Inertial Sensors
MMA7660FC Accelerometer Overview Features Low current consumption Off mode: 0.4 μa Standby mode: 2 μa Active mode: 47 μa at 1 sample per second ±1.5g 3-axis digital accelerometer with I 2 C (400 khz max.) Low-profile 3 x 3 x 0.9 mm DFN package Configurable output data rate from 1 to 120 samples per second Configurable auto wake/sleep for low power consumption Low voltage operation: 2.4 V 3.6 V 1.71 to 3.6 V for digital I/O (including I 2 C) Configurable tilt orientation detection for portrait/landscape capability Gesture detection including shake and tap detection Robust design, ability to survive shocks up to 10,000g Implementations Landscape/portrait determination Mobile product user interface by limited gestures User interface navigation with tilt to scroll Power mode determination 4
Analog Output MMA73xxL 3-Axis Low g Acceleration Sensors Features 3-axis Analog Output with g-select MMA7360L (1.5g, 6g) MMA7340L (3g,11g) MMA7330L (4g, 12g) Low current consumption at 400 ua Sleep mode at 3uA Low voltage operation at 2.2 V 3.6 V Z-axis self test for freefall function check Package ASIC g-cell Key Markets Gaming Electronic Learning Toys Black Box Event Recorders Cellphone ( with MCU-QG4 ) Vdd Vss Zout Yout Xout N/C 6 5 4 3 2 1 Sleep7 Top view 14 N/C 8 9 10 11 12 13 N/C 0g detect g-select Reserved N/C Selftest 3 x 5 x 1mm LGA-14 LGA volume is 71 percent smaller than Quad Flat No-Lead (QFN) package Side by side die mount RoHS Compliant +X +Z +Y 5
Digital 3-Axis Accelerometer MMA745XL Features 8 bits I 2 C/SPI digital output Option of 10 bits I 2 C/SPI @ 8g 2.4 3.6V Vdd operation 1.8V I/O compatible 400uA Idd, 5uA at sleep mode Selectable full scale range (2g, 4g, 8g) Single and double pulse detect Programmable threshold 3 x 5 x 1.0mm LGA-14 Side by side die mount RoHS compliant -40 C to +85 C operating temp Implementations High end Mobile Phones Portable Media Players Notebook HDD protection 6
Pressure Sensors
Pressure Sensor Levels of Integration MCU Output MPL115A Digital Pressure Sensors ADC MCU Output MPXV5004G Integrated Pressure Sensor (IPS) Amplification ADC MCU Output MPXM2010GS Compensated Temperature Compensation Amplification ADC MCU Output MPX10DP Uncompensated 8
MPL115A Digital Pressure Sensor Features Digital output options MPL115A1 for SPI applications MPL115A2 for I 2 C applications Low-profile 3 x 5 x 1.2 mm LGA package Low current consumption Sleep mode: 1 μa Active mode: 5 μa at one measurement per second Temperature and pressure coefficients available for temperature compensation Convenient pressure conversion in units of kilopascals (kpa) 50 to 115 kpa absolute pressure measurement range 1 kpa accuracy Operating temperature range from -40ºC to 105ºC 2.4 to 5.5 Volt power supply Diff Amp Temp Sensor MUX Coefficient Storage ADC ADDR ADDR ADDR ADDR Pressure ADDR Temperature I 2 C Interface VDD VP RST SCL SDA GND 9
Pressure Sensor Typical Applications Industrial Feedback on manipulators Position sensing in hydraulic cylinders Automotive Airbags (side impact) Engine management (MAP/BAP) Tire pressure monitoring system (TPMS) Medical, White Goods Blood pressure monitoring Water level measurement Energy/Water Conservation Ambient Pressure Monitoring Altimeter Barometer Atmospheric pressure Lower cost with higher reliability 10
Proximity Sensors
Introducing the MPR031/2 Proximity Capacitive Touch Sensor Controller Features 8 μa average supply current Compact 2 mm x 2 mm x 0.65 mm 8-lead UDFN package Supports up to 3 touch pads Only one external component needed Intelligent touch detection capability 4 μa maximum shutdown current 1.71 V to 2.75 V operation Threshold based detection with hysteresis I 2 C interface, with optional IRQ Multiple devices in a system allow for up to 6 electrodes -40 C to +85 C operating temperature range Implementations Switch replacements Touch pads 12
Very small, often handheld size (1) Exceptionally long battery life (2) Extremely simple electronics (3) MPR03x Family in Application Bluetooth Headset two buttons to control volume and connectivity (1)(2) Table lamp control off/on, brightness control (3) Docking station off/on or media buttons (3) Bottled water server - cold and warm water buttons (3) Pen with laser pointer and LED (1)(2)(3) Watch or alarm clock (1)(2) Multimedia keys on a computer (3) Thermostat (1)(3) DVD drive (2)(3) Webcam (2) Airplane seats (1)(2)(3) Coffee maker (3) Bluetooth Headsets For more details, please see the published white paper at: http://www.freescale.com/files/sensors/doc/white_paper/mpr031prxsnsrwp.pdf 13
MPR03x Key Features, Benefits & Advantages Features Supports up to three touch pads (no IRQ) Supports two touch pads (with IRQ) 8 μa average supply current Compact 2 x 2 x 0.65 mm 8- lead μdfn package Advantages Through a register-driven state machine allows for simple contactless touch button applications A low power mode allows the sensor controller to further conserve power Requires very little board space in contactless touch button applications Benefits Innovative implementation simplifies the design process of touch applications through a drop-in IC Enhance battery life in customer applications Implementation in very small portable electronic devices 14
What is Sensor Toolbox?
The Sensor Toolbox Concept A series of sensor boards Can be ordered one board at a time Ongoing expansion of sensor boards Evaluate and demonstrate sensor functionality Unified architecture and GUI-based common interface to run sensor tools on a PC Customizable selection of acceleration, pressure and proximity sensor development tools with common software Outer packaging is collapsible or expandable to accommodate the number of boards ordered 16
Power boards: LFSTBBAT9 LFSTBBAT3 Accelerometer Board Concept Provides 3V and 9V power for all accelerometer development boards Interface boards: LFSTBUSB Provides plug-and-play USB communication Standard socket for all accelerometer development boards Development boards (for sensor evaluation): LFSTBEB7660 LFSTBEB7456 LFSTBEB7361 Standard socket compliance Self identifying accelerometer boards Accelerometer functions: Orientation, Shake, Tap, Freefall, Tilt, Motion, Positioning, Shock, Vibration LFSTBUSB interface board with attached LFSTBEB7361 development board 17
Pressure Sensor Board Concept Pressure Sensor functions: Interface board: Gauge pressure, PSI conversion, KITPRESSURE1EVM Absolute Pressure, Altimeter Freescale S08 MCU 8-bit ADC used Provides plug-and-play USB communication Standard socket for all pressure development boards Expandable to digital pressure sensors with SPI and I 2 C Development boards: KIPXV5004DPEVB KIPXA6115AEVB Standard socket compliance Self identifying pressure sensor boards Required accessories provided, i.e., tubing Common GUI software includes specialized applications for each pressure sensor KITPRESSURE1EVM interface board with attached KIPXV5004DPEVB development board 18
Proximity Sensor Board Concept Proximity Touch Sensor functions: Touch, Proximity Kit contents: USB interface board Standard electrode connector Development board device sample included Cut tape device samples USB cable Optional electrode board Electrode contents: KIPR03xEVM Accessory electrode boards Standard connector to all proximity sensor kits Specific board recognition (know what is plugged in) 19
Sensor Toolbox Board List Sensor Family Kit Number Board Type Featured Device/Board Function Accelerometers LFSTBBAT3 Accelerometer Interface 3V Battery Board LFSTBBAT9 Accelerometer Interface 9V Battery Board LFSTBUSB Accelerometer Interface USB Communication LFSTBEB7660 Accelerometer Development MMA7660FC LFSTBEB7361 Accelerometer Development MMA7361L LFSTBEB7456 Accelerometer Development MMA7456L Pressure Sensors KIPXV5004DPEVB Pressure Sensor Development MPXV5004DP KITPRESSURE1EVB Pressure Sensor Interface USB Communication KIPL115A1EVB Pressure Sensor Development MPL115A1 KIPXA6115AEVB Pressure Sensor Development MPXA6115AC6U Proximity Sensors KIPR03xEVM Proximity Sensor Kit MPR031
Sensor Toolbox Complimentary Software
Sensor Toolbox GUI Capability 22
Sensor Toolbox GUI Launcher 23
Accelerometer GUI 24
Pressure Sensor GUI 25
Proximity Sensor GUI 26
Web Landing Page Available June 2009: http://www.freescale.com/sensortoolbox Available June 2009 http://www.freescale.com /sensortoolbox 27
Sensor Toolbox Summary The Sensor Toolbox offers a low-cost demonstration and development hardware platform. Sensor Toolbox provides consistent demonstration tools all three sensor types: accelerometer, pressure and proximity sensors. Standardized, open-source hardware enables reuse of existing circuits and rapid prototyping of custom hardware. Interchangeable boards enable and promote reuse of hardware and software across multiple architectures. Ongoing path of modularity, flexibility, low cost, and ease-of-use for Sensor Toolbox as well as MCU s Tower tool offering For more information visit: http://www.freescale.com/sensortoolbox 28
Q&A Thank you for attending this presentation. We ll now take a few moments for the audience s questions and then we ll begin the question and answer session. 29