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ESD for Ultra  High Voltage
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ESD for Ultra High Voltage



ESD solutions for 220V AC to DC power converters for green technology applictations

ESD solutions for 220V AC to DC power converters for green technology applictations



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ESD for Ultra  High Voltage ESD for Ultra High Voltage Presentation Transcript

  • Sofics on-chip ESD clamps protect a broad range of applications and technologies1000+ products rely on Sofics ESD protection 9 CMOS generations CMOS 0.5um down to 28nm Foundry independent include Sofics ESD IP for beyond standard IOs 40+ customers protect chip interfaces with Sofics ESDSOFICS © 2011 Proprietary & Confidential 2
  • Sofics solutions: Optimized on-chip ESD clamps for any set of requirements ESD tests Latch-up tests Functional and EOS tests 2kV HBM, 200V MM Absolute maximum JEDEC 78 latch-up 500V CDM ratings 8kV HBM, Cable IEC 61000-4-4 Transient latch-up Discharge Event IEC 61000-4-5 8kV IEC 61000-4-2 Auto: ISO 7637-2 unpowered IC Auto: ISO 16750 Ijime test 8kV IEC 61000-4-2 powered IC, Vlatch, CCL test till failureSOFICS © 2011 Proprietary & Confidential 3 View slide
  • SOFICS solutions are broadly used in 1000+ ICsSOFICS © 2011 Proprietary & Confidential 4 View slide
  • 220VAC power converters in UHV technology• Sofics has recently engaged with 2 different customers to define ESD solutions for 220V AC to DC power converters for green technology applications• Sofics offers ESDdoctor consulting for such technology – IC application review to define the ESD protection requirements  Face-to-face meeting(s) and off-site analysis – Process review to determine sensitivity and robustness of devices  May include definition of TEG elements and/or ESD measurements – ESD solution recommendation: strategy – device – implementation  May include layout implementation review – Limited budget project is possible  NRE (service/consulting fee) including travel budget – Solution fee based on performance/commercial releaseSOFICS © 2011 Proprietary & Confidential 5
  • Sofics supported Asian foundry on 700V platform• Foundry platform – 0.5um 5V, 30V, 80V, 700V• Sofics support – Describe appropriate measurement techniques  Provided guidelines for detecting limitations of the devices – Victim circuit analysis  Study sensitivity of the process based on ESD analysis of basic devices  Summary ESD design windows – ESD analysis  Analysis of the measurements on the ESD devices  Selection of best ESD device types for 30V, 80V, 700V – Generic guidelines for ESD protection in (ultra) high voltageSOFICS © 2011 Proprietary & Confidential 6
  • Sofics supported Asian fabless design house• Technology, application – 700V platform, Energy efficient LED lighting• Sofics support – Study of the specific application  Describe appropriate measurements to verify foundry claims  Summarize sensitivity of the process – ESD analysis  Analysis of the foundry measurements on ESD devices  Selection of best ESD device types – Guidelines for ESD protection in ultra high voltage  Support for appropriate use of diodes and limitations to the rectifying approach – Proposed drastic ESD area saving (>50%) opportunitiesSOFICS © 2011 Proprietary & Confidential 7
  • Contact us• Sofics contact Pieter Donck pdonck@sofics.com Bart Keppens bkeppens@sofics.com SOFICS bvba – RPR 0472.687.037 Groendreef 31, 9880 Aalter, Belgium (tel) +32-9-21-68-333, (fax) +32-9-3-746-846 www.sofics.comPowerQubic, TakeCharge, Sofics are trademarks of Sofics bvbaSOFICS © 2011 Proprietary & Confidential 14