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  • Guiding Themes to get Investor Attention: Accelerating Revenue Growth happening now, with good backlog visibility and long term diversified stability Defensible technology position that beats competitors Improving cost structure, both gross margin and operating expenses, that will accelerate Profit growth and provide positive cash flow over the next 3+ years

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  • 1. LED Drivers a leap ahead Welcome to austriamicrosystems and Sagitrón Workshop Giovanni Benzoni Bernhard Niessen April 2007
  • 2. Standard Linear - Segments
  • 3. Available LED Drivers for Lighting & Backlighting AS3691-2 AS1101-2-3-4 feedback Feedback to DCDC converter to control the LED-supply to minimize power dissipation and improve efficiency < Patent pending > DC/DC BUS INTERFACE LED DRIVER & CONTROL AS3681-2-3
  • 4. LED Drivers Product Overview LED Current 400 mA 100 mA 60 mA 40 mA AS3691 AS1109 AS1105 AS1108 Key Applications High current RGB Appl. Illumination B/W + Basic Color Full Mux B/W Backlighting 2 3 4 ch 8 ch 16ch 32 ch 64 ch LEDs AS1101 AS1100 AS1106/07 AS1110 AS1102 AS1103-4 AS368x
  • 5. Lighting AS3681 - Serial Configuration LDO 1.85-3.4V 100mA Bandgap & Vref Charge Pump 1:1, 1,5:1, 2:1 400mA Serial I/F Battery Battery 2.8V 2.2µF feedback MAIN DISPLAY Camera Flash + Strobe DC/DC Step up Current Sinks 2.5-37.5mA GPIO_0 GPIO_1 GPIO_2 GPIO_3 0,30hm 10µH 2.2µF 10bit ADC Control Current Sinks 2.5-37.5mA Current Sinks 10 - 300mA SUB DISPLAY RGB Funlight CP_Out or Vbat Ambient Light Camera Module STROBE Baseband PWM I2C INT
  • 6. Lighting AS3681 - CCD Configuration LDO 1.85-3.4V 100mA Bandgap & Vref Battery VBAT VANA 2.8V 2.2µF High Power Current Sinks 10 - 150mA or 20 to 300mA per source Battery SENSE_N SENSE_P 31 32 29 DCDC_GATE feedback DC/DC Step up 30 DCDC_GATE 0,30hm 10µH Charge Pump 1:1, 1.5:1, 2:1 400mA GPIO_0 GPIO_1 GPIO_2 GPIO_3 10bit ADC Ambient Light CCD Module VBat -8V Regulator Serial I/F Control +15V/25mA -8V/25mA Main Display Flash / Torch Sub Display -8V to -12V 25mA Current Sinks 2.5- 37.5mA
  • 7. Lighting AS3681 - Parallel Configuration Example LDO 1.85-3.4V 100mA Bandgap & Vref Charge Pump 1:1, 1,5:1, 2:1 400mA Battery VBAT VANA 2.8V 2.2µF GPIO_0 GPIO_1 GPIO_2 GPIO_3 10bit ADC Control High Power Current Sinks 10 - 150mA or 20 to 300mA per source Ambient Light Current Sinks 2.5- 37.5mA Main Display RGB Funlight Flash / Torch Sub Display Baseband Serial I/F PWM INT
  • 8. LED Drivers Product Overview LED Current 400 mA 100 mA 60 mA 40 mA AS3691 AS1109 AS1105 AS1108 Key Applications High current RGB Appl. Illumination B/W + Basic Color Full Mux B/W Backlighting 2 3 4 ch 8 ch 16ch 32 ch 64 ch LEDs AS1101 AS1100 AS1106/07 AS1110 AS1102 AS1103-4 AS368x
  • 9. AS1101 LED drivers
    • AS1101/2/3/4 80mA max [email_address]
      • for blue, white and any-color LEDs
      • for backlight drivers for LCDs,
      • keypads in Mobile Phones,
      • PDAs, other portable devices
    AS1101/2/3/4 0.15V 3.3V
  • 10. LED Drivers Product Overview AS3681 LED Current 400 mA 100 mA 60 mA 40 mA AS3691 AS1109 AS1105 AS1108 Key Applications High current RGB Appl. Illumination B/W + Basic Color Full Mux B/W Backlighting 2 3 4 ch 8 ch 16ch 32 ch 64 ch LEDs AS1101 AS1100 AS1106/07 AS1110 AS1102 AS1103-4
  • 11. AS3691 – Application & Benefits (1)
    • Adaptive Supply to reduce Power Dissipation
    • - Accurate High Current Driver for a variety of Applications
  • 12. AS3691 – LED Driver with Autoadaptive Operation Key Features - 4 x 400mA constant current outputs - Current Programmable with external resistors - 4 independent PWM inputs - Absolute current accuracy +/-0,5 - Automatic Supply Regulation to reduce dissipation - Wide output Voltage (0,41V up to 15V) - Integrated overtemperature protection - Small Package with High Temperature performances Applications - General Lighting - Backlighting - RGB Backlighting for LCD TV/Monitors with White Color Balancing Patent Pending From Battery
  • 13. AS3691 – RGB LED driver in parallel configuration
  • 14. Example: Lighting from Low Voltage
    • Applications:
      • Keypad Lighting and Orientation Light for Car Navigation Unit
      • Low voltage battery supply
  • 15. AS3691 – Application & Benefits (2)
    • Superior Backlight Performance on Large Scale LCD Monitors / TV Sets and High Quality LCD / Critical Ambient Lighting
  • 16. AS3691 - LCD TV Backlight Concept SubModule Description: - 37” TV Set - RGGB Aproach - Multiple Submodules - Linear Regulator - ~13000cd/m2 BL - ~650cd/m2 LCD - LED Currents: 150mA to 400mA
  • 17. AS3691 - LCD TV System Architecture Example
    • Separate RGB
    • Power Supplies
    • reduce Pdiss
    • Control Unit
    • - Start settings
    • White Balance
    • Temperature
    • Roadmap:
    • µC + Sensor + Diode
    LED Strings - Variable No. of LEDs
    • LED Driver
    • - Very High Accuracy
    • Indiv. PWM inputs
    • 10mA to 400mA
    • QFN or Die
    Light Sensor (white/RGB)
    • Dynamic
    • Power
    • Control
    • reduce Pdiss
  • 18. Available LED Drivers for Panels DC/DC ROW CONTROL BUS INTERFACE LED DRIVER & CONTROL AS1100-5-6-7-8 AS11O9 AS1110
  • 19. LED Drivers Product Overview AS3681 LED Current 400 mA 100 mA 60 mA 40 mA AS3691 AS1109 AS1105 AS1108 Key Applications High current RGB Appl. Illumination B/W + Basic Color Full Mux B/W Backlighting 2 3 4 ch 8 ch 16ch 32 ch 64 ch LEDs AS1101 AS1100 AS1106/07 AS1110 AS1102 AS1103-4
  • 20. Interfaces and LED Drivers
    • LED Drivers for 7-Segments Displays
      • for Digital Panel Meters, Gaming
    • LED Drivers for Matrix Displays
      • for Public Information Systems (tickers), Panels
    • Drivers for blue, white and any-color LEDs
      • for backlight drivers for LCDs, keypads in Mobile Phones,
      • PDAs, other portable devices
    • LCD Drivers for Gas Pumps, Industrial Metering, Lab Displays
  • 21. AS1100 -6-7 – 64 Matrix LED Driver Key Features - 8 Digit, 7+1 Segment Driver organization - Controls up to 64 LEDs (Dot Matrix Display) - Digital and Analog Brightness Control - Display Blanked at Power-Up - Cascadable - 64 Bit Memory - Low Stand-by current - Fully compatible to Maxim MAX7219
    • Applications
    • - Industrial LED panels
    • Display for Portable systems
    • Message panels
    • User panels with LEDs and Switches for White Goods
    8-Digit µP Display 8 Segments 8 Digits +5V LOAD CLK GND GND DIG0-DIG7 SEG A-G SEP DP VDD 4 9 13 12 1 18 19 ISET DIN
  • 22. LED Drivers Product Overview AS3681 LED Current 400 mA 100 mA 60 mA 40 mA AS3691 AS1109 AS1105 AS1108 Key Applications High current RGB Appl. Illumination B/W + Basic Color Full Mux B/W Backlighting 2 3 4 ch 8 ch 16ch 32 ch 64 ch LEDs AS1101 AS1100 AS1106/07 AS1110 AS1102 AS1103-4
  • 23. AS11O9: 8 ch. LED constant current Drivers with full Diagnostic OE LD SDI SCK Latch Error Status Latch Data Out Load Error Status
  • 24. AS11O9: TOS Diagnostic OE LD SDI SCK SDO Latch Error Status Latch Data Out Load Error Status T O S Lct Sby
  • 25. AS1109 LED Drivers with TOS Diagnostic
    • Key Features
    • - 8 (AS1109) and 16 (AS1110) LED drivers up to 90mA/ch
    • - Excellent Output Current Accuracy <±2%
    • - Global Fault Monitoring function
    • - Detailed TOS Diagnostic functions:
    • Over- T emperature
    • O pen-LED
    • S hort-LED to VLED
    • - Controlled In-Rush Current
    • - External Ref R for Analog Brightness Control
    • - OEn for PWM Digital Brightness Control
    • - Can be Multiplexed with external Row Control
    • - Cascadable
    • - Low Stand-by current
    • Applications
    • White Goods panels with LEDs and Switches
    • High Reliability Applications:
      • Industrial Controller Displays
      • Emergency Light Indicators
      • Traffic Signs
    • Stadium Displays
    • RGB-and White LEDs matrix
    • Lighting in Gambling Machines
    • Fixed or slow-rolling Displays
      • Message panels
      • Promotional Panels
      • Bar-graph Displays
    • - Price Indicators in Retail Stores
  • 26. AS11O9 Application: LED + Switch + Rotary Switch VDD DI OEn LD CK DO GND +VDD +VDD +VDD +VDD Only LED LED and Switches Only Switches Rotary switch AS1109 AS1109 +VDD +VDD
  • 27. AS11O9 Application: 8x32 Multiplexed Display Panel + VLED DI OEn LD CK DO
  • 28. Roadmap: LED drivers for Panels AS1112 AS1110 AS1109 AS1100/06/07 AS1105/08 AS1101/2/3/4 Dot Matrix LED 2006 Q1-07 Q2-07 Q4-06 Backlighting Full color Video Large LED Panels
  • 29. AS1109 - 8 ch. LED constant current driver + TOS IN PRODUCTION
  • 30. AS1110 - 16 ch. LED constant current driver + TOS NOW IN PRODUCTION
  • 31. LVDS Interfaces
    • LVDS Interfaces with Speed up to 500Mbps
    MAX9110ESA MAX9111ESA MAX9112ESA MAX9113ESA MAX9123EUE MAX9122EUE MAX9121EUE Cross Reference SOIC-8 3.0 to 3.6 4   500 1 Receiver AS1158 SOIC-8 3.0 to 3.6 4  - 500 1 Receiver AS1155 SOIC-8 3.0 to 3.6 4 - - 500 2 Driver AS1154 SOIC-8 3.0 to 3.6 4 - - 500 1 Driver AS1156 SOIC-8 3.0 to 3.6 4  - 500 2 Receiver AS1153 SOIC-8 3.0 to 3.6 4   500 2 Receiver AS1157 Driver Receiver Receiver Type TSSOP-16 3.0 to 3.6 4 - - 500 4 AS1152 TSSOP-16 3.0 to 3.6 5   500 4 AS1151 3.0 to 3.6 V Supply Range 500 Mbps Data Rate - Terminated  Failsafe Circuit TSSOP-16 Package Supply Current 5 4 AS1150 mA # Lines Part No.
  • 32. Thank you for your attention! strictly confidential copyright ©2006 austriamicrosystems AG focused on speed, value and quality