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Small footprint SoC enables precision portable medical instrumentation

Small footprint SoC enables precision portable medical instrumentation. Murugavel Raju, WW Catalog MCU End Equipment Marketing Manager Texas Instruments Inc. Dallas, USA m-raju1@ti.com. Opportunity for impact. Consistent market growth, strong global trends driving future. Aging populations

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Small footprint SoC enables precision portable medical instrumentation

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  1. Small footprint SoC enables precision portable medical instrumentation Murugavel Raju, WW Catalog MCU End Equipment Marketing Manager Texas Instruments Inc. Dallas, USA m-raju1@ti.com © Texas Instruments Inc.

  2. Opportunity for impact Consistent market growth, strong global trends driving future Aging populations • By 2020 double the people will be over 60 years old as in 2000 Rising healthcare costs • U.S. healthcare spending more than 15% of GDP, Europe not far behind • Costs expected to grow from $2 trillion in 2007 to $3.1 trillion in 2012 Remote and emerging markets • China healthcare expenditure increased from 3.7% of GDP in 1995 to 5.6% in 2007 • India government proposed in 2008 to increase public expenditure on health care from 1% to 3% of GDP Personal healthcare • 33% of medical semiconductor revenue in 2008went into consumer medical devices © Texas Instruments Inc. Sources: World Health Report, Databeans, Frost & Sullivan, Economic Times

  3. Diverse and broad market Diagnostic, patient monitoring and therapy Consumer medical devices Medical instruments Medical imaging $840M 13.5% CAGR $550M 14.7% CAGR $750M 13% CAGR $400M 14.7% CAGR • Digital thermometers • Blood glucose monitor • Blood pressure monitor • Insulin pumps • Heart rate monitors • Audiology (digital hearing aids) • ECG • EEG • Blood oxygen (pulse oximeter) • Blood pressure • Temperature • Ventilation/ respiration • Defibrillators • Implantable devices • Laboratory equipment • Dialysis machines • Analytical instruments • Surgical instruments • Dental instruments • Ultrasound • CT • MRI • X-Ray • Other imaging (nuclear, positron emission tomography) 2009 Medical Semiconductor Market $2.54B © Texas Instruments Inc.

  4. Semiconductors impact Computingrevolution Communications revolution Healthcare revolution Healthcare transformed Computing transformed Communications transformed 1980s 1990s 2000 and beyond © Texas Instruments Inc.

  5. Portable Medical Devices Trends • Product Examples • Blood Glucose Meters • Blood Pressure Monitors • Respiratory exercise devices • Pulse Oximeters, Heart rate Monitors • EMG personal exercise feedback monitors • Portable Medical Trends • Shrinking form factor • Long battery life in number of years • Affordable • Scalable • Consistent and Reliable • More and more personal healthcare electronics getting FDA approval • Self usable with ease © Texas Instruments Inc.

  6. Portable Medical IC Requirements • Small form factor SoC • Flexible Integrated analog for precision measurement • Flexible communication interfaces • Negligible power dissipation • Long battery life with low cost small form factor batteries, e.g. CR2032 • Quick time to market • Low cost of development • Low cost mass production tools © Texas Instruments Inc.

  7. Supply Volt Supervisor Brownout Reset Introducing New Device Family for Medical Apps: MSP430FG47x • Low supply-voltage range: • ⇒1.8 to 3.6V • Ultralow-power consumption: • ⇒ Active Mode: 260 µA at 1 MHz, 2.2V • ⇒ Standby RTC Mode: 1.1 µA • 16-bit RISC architecture • 32 kB to 60 kB flash memory • 2 kB SRAM • 16-bit Sigma-Delta A/D converter • Up to two 12-bit D/A converter • Up to two configurable operational amplifiers • Integrated LCD controller for up to 128 segments • On-chip comparator • Basic timer with RTC • 16-bit Timer_A3 • 16-bit Timer_B3 • Two Universal Serial Communication Interfaces (USCI) • -40 to +85° C • 113-ball 7X7mm BGA and 80-pin QFP MSP430FG47x/47x Microcontroller Memory 16-bit RISC Orthogonal MCU 8 MHz Power & Clocking 32 / 48 / 60 kB Flash FLL+: LFXT1CLK DCO XT2CLK FLL 2 kB RAM Debug JTAG w/ 2 Breakpoints Embedded Emulation Boot Strap Loader Peripherals Timers Comparator A 15-bit Watch Dog Timer 2 x Op Amps (FG47x only) 16-bit Basic Timer RTC 16-bit Timer A3, with 3 CC Registers 128-Segment LCD Driver Serial Interface 2 x USCI_A (UART/SPI/IrDA) 16-bit Timer B3, with 3 CC w/ Shadow Registers 2 x USCI_B(I2C/SPI) Connectivity Converters 48 I/Os 16-bit Sigma Delta A/D Converter A Up to 2x 12-bit D/A Converter © Texas Instruments Inc.

  8. MSP430FG47x Medical Targets • Insulin Pump • Heart Rate Monitor & Digital Thermometer • Pulse Oximeter © Texas Instruments Inc.

  9. AM AM / / PM PM mg mg / / dL dL 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 12-bit DAC 12-bit DAC BOR & GPIO USART USCI_A1 USCI_A1 RTC SVS CompA LCD 128 Segs Contrast Control DEBUG Sensor Sensor 2kB RAM OA0 16-bit ADC TEMP TUSB3410 16-bit CPU 60kB Flash MSP430FG479 – System On a Chip • Ultra-low Power 1uA RTC, 100nA off mode • 16-bit CPU • Integrated AFE (Analog Front End) • 60kB Flash • CR2032 coin cell operation • 7X7mm BGA 32 kHz MSP FG 4 xxx CC1100 or CC2500 SPI - 16-bit Timer A CR2032 USB UART Basic Timer 16-bit Timer B Honey, I shrunk the chip! UART OA1 MSP430FG479 © Texas Instruments Inc.

  10. Ultra-Low PowerActivity Profile w/FG479 • Extended Ultra-Low Power standby mode • Minimum active duty cycle • Interrupt driven performance on-demand with < 6us wake-up time © Texas Instruments Inc.

  11. 16-bits precision Multiple diff input pairs Input buffer Integrated PGA Integrated precision reference Temperature sensor AVCC measure 30kHz to 1.1MHz fM divider Up to 1024 OSR SD16_A Overview © Texas Instruments Inc.

  12. DAC12 VREF • 12-bit monotonic • Selectable settling time vs. power consumption • Int or ext VRef • Binary or 2’s compliment data • Self-calibration • Synchronization capability © Texas Instruments Inc.

  13. Blood Pressure Monitor MSP430FG479 © Texas Instruments Inc.

  14. Heart-rate and Pulsoximeter © Texas Instruments Inc.

  15. Low Cost Development Tools • One tool from development to production • Universal USB JTAG interface • Development Environment • Code Composer Studio • IAR Embedded Workbench • www.ti.com/msp430 © Texas Instruments Inc.

  16. Summary • System on chip with Sigma-Delta precision ADC, 12-bit DAC12, Op-amps reduces external components count for a Medical application • Ultra-low Power offers battery operation with several years long life • Easy development with on-chip emulation • Available in small package 7X7mm BGA, RoHS • On chip LCD and communications capabilities simplifies system design • Modern ultra-low power architecture enhances performance and reduces noise and interference for precision medical measurement applications © Texas Instruments Inc.

  17. Thank you! © Texas Instruments Inc.

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