Simple Silicon Inc. ( acquired by iWatt, Inc.)


Founded in 2000, iWatt designs, develops and manufactures power supply control ICs. iWatt technology delivers improvements in size, cost and efficiency that have previously been unattainable without adaptive digital control technology. The company’s patented techniques set a new standard in power supply performance by dramatically reducing component count for lower cost and improved reliability. The iWatt team has made a major breakthrough in power supply control by using digital algorithms to replace traditional analog control solutions. One key aspect of the iWatt design is that AC/DC adapters have become easy to design, debug and manufacture. iWatt is currently working with market leaders in notebook computer, flat panel display and portable device arenas to develop high density, low cost AC/DC power supplies.




Product Name: iW1676*
Product Category: Power Grid Analysis - ASIC and IC Design

  • No-load power consumption < 30 mW at 230 Vac with typical application circuit (5-star rating)
  • Fast dynamic load response for both one-time and repetitive load transients
  • Very tight constant voltage and constant current regulation over entire operating range
  • Primary-side feedback eliminates opto-isolators and simplifies design
  • 64 kHz PWM switching frequency
  • Ultra-low start-up current (1.7 μA typical)
  • EZ-EMI® design enhances manufacturability

Product Name: iW1677
Product Category: Power Grid Analysis - ASIC and IC Design

  • No-load power consumption < 20 mW at 230 Vac with typical application circuit (5-star rating)
  • Fast dynamic load response for both one-time and repetitive load transients
  • Very tight constant voltage and constant current regulation over entire operating range
  • Primary-side feedback eliminates opto-isolators and simplifies design
  • EZ-EMI® design enhances manufacturability

Product Name: iW1678
Product Category: Power Grid Analysis - ASIC and IC Design

  • Primary-side feedback eliminates opto-isolators and simplifies design
  • 64 kHz PWM switching frequency
  • Meets <100mW no-load power consumption
  • Adaptive multi-mode PWM/PFM control improves efficiency
  • Quasi-resonant operation for highest overall efficiency & low EMI
  • EZ-EMI ® design to easily meet global EMI standards
  • Direct drive of low-cost BJT switch
  • Very tight constant voltage and constant current regulation with primary-side feedback

Product Name: iW1689
Product Category: Design Verification

  • Primary-side feedback eliminates opto-isolators and simplifies design
  • Multi-mode operation for highest overall efficiency
  • ±4% typical output voltage regulation
  • No external compensation components required

Product Name: iW1690
Product Category: Power Grid Analysis - ASIC and IC Design

  • Primary-side feedback eliminates opto-isolators and simplifies design
  • Built-in cable drop compensation
  • Direct drive of BJT switching device
  • Very tight output voltage regulation
  • No external compensation components required
  • Exceeds CEC/EPA no load power consumption and average efficiency regulations
  • Built-in output constant-current control with primary-side feedback
  • Low start-up current (10 µA typical)
  • Built-in soft start
  • Built-in short circuit protection and output overvoltage protection

101 Albright Way
Los Gatos, CA 95032-1827
United States
Phone: 1-408-374-4200
Fax: 1-408-341-0455
Contact us
Url: http://www.iwatt.com/



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