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Power Integrations has introduced HiperLCS, a range of high-voltage LLC power-supply ICs that incorporate the controller, high- and low-side drivers and both MOSFETs into a single package, making them suitable for applications such as slim LED-backlit TVs, PC main power, servers, telecoms and networking equipment, LED streetlights and laser printers.

HiperLCS devices provide all the required functions in a single IC, thereby streamlining the design cycle, saving board space, reducing assembly costs and increasing reliability.

The high switching frequency of HiperLCS devices allows designers to use low-cost SMD ceramic capacitors in the output loop instead of bulky, unreliable electrolytic capacitors, and reduces the size of the magnetics required.

Key specifications

  • Maximum efficiency of better than 97 per cent
  • Operation up to 750kHz
  • New thermally efficient, low-profile eSIPe-16C package further contributes to space savings and reduces heat sink size
  • Resonant control circuitry provides very low power loss
  • Designs exceed benchmarks set by Energy Star N 4.0 and 5.0, and the 80 PLUSP Gold and Platinum PC efficiency standards
  • HiperLCS devices allow users to set circuit parameters such as dead time and soft start
  • Design process is assisted by PI XLSL, a real-time design and modelling tool


Power Integrations

Power Integrations is the leading supplier of high-voltage integrated circuits used in energy-efficient power conversion. The company’s innovative technology enables compact, energy-efficient power supplies in a wide range of electronic products, in AC-DC, DC-DC and LED lighting applications. Since its introduction in 1998, Power Integrations’ EcoSmartä energy-efficiency technology has saved an estimated $4.5 billion of standby energy waste and prevented millions of tons of CO2 emissions. The company’s Green Room web site provides a wealth of information about “energy vampires” and the issue of standby energy waste, along with a comprehensive guide to energy-efficiency standards around the world. Reflecting the environmental benefits of EcoSmart technology, Power Integrations is included in clean-technology stock indices sponsored by the Cleantech Group (Amex: CTIUS) and Clean Edge (Nasdaq: CELS).

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