Summary of Power Integrations Combines High-Efficiency Resonant Controller with High Voltage Drivers and Power Factor Correction in a Single IC : New HiperPLCTM Device Targets LCD/Plasma TV, High-Efficiency PC Main Power and LED Streetlights; Cements Power Integrations’ Entry into High-Power Markets
HiperPLC is a single-chip solution integrating continuous-mode PFC and LLC half-bridge control with built-in drivers, reducing component count and improving reliability. It minimizes magnetics costs, eliminates AC input sensing components, and simplifies PCB layout through locked-phase ripple cancellation. The device offers comprehensive fault protection, ZVS operation, and precise dead-time control. A 300W reference design for LCD TVs is available to accelerate development.
Parts used in the HiperPLC Project:
- HiperPLC IC
- Litz wire (eliminated)
- AC input sensing components (eliminated)
- EMI filter
- PFC bulk capacitor
- MOSFETs
- Output diodes
- LLC transformer
- Reference Design Kit RDK-189
- Design Example Report DER-189
SAN JOSE, Calif. (PRWEB) November 10, 2008
HiperPLC combines a continuous-mode power factor correction stage with an LLC half-bridge controller with built-in high voltage (800V) high-side/low-side driver circuitry. The device also provides the necessary protection features for both power stages, increasing reliability and cutting parts count. Continuous-mode PFC minimizes the cost of PFC magnetics by limiting AC flux, obviating the need for expensive Litz wire in the input choke and reducing ripple current delivered to the PFC bulk capacitor. Including both PFC and LLC controllers within a single IC enables numerous cost savings such as locked frequency and phase which promotes ripple current cancelation with less harmonic content, reducing EMI filter requirements. This locked-phase relationship prevents “edge collision” and reduces noise sensitivity, greatly simplifying PCB layout and speeding up design.
Other features include: comprehensive PFC and LLC fault handling and current limiting as well as short-circuit protection designed to protect power components; high-efficiency Zero Voltage Switching (ZVS) LLC; off-time PFC control to eliminate AC input sensing components; configurable, precise dead-time control and frequency limits that prevent hard MOSFET switching; tight LLC duty cycle symmetry for balanced output diode currents; and an internal PFC current sense low pass filter.
Comments Doug Bailey, vice president of marketing at Power Integrations: “HiperPLC embodies at high power all the benefits that our customers have come to expect from Power Integrations’ low-power product lines. This includes a very high level of integration with minimal external components, easy system design, high-quality manufacturing, integrated safety and self-protection features and high operating efficiency.” Bailey continues: “To simplify the design process, we are also offering downloadable design tools which considerably reduce LLC transformer iterations and development time.”
Power Integrations is releasing a Reference Design Kit (RDK-189) describing a 300-watt power supply for LCD TVs using the HiperPLC device. Designers will also find a Design Example Report (DER-189) and full data sheet on Power Integrations’ website at (http://www.powerint.com/products/hiper-family/hiperplc). HiperPLC is available immediately at $ 2.00/ea in 10,000 piece quantities. RDK-189 will be available from December 15 at $ 100/ea.
Picture available here (http://www.powerint.com/sites/default/files/images/prphotos/300dpi/ HiperPLC_IMG_final.jpg) (Due to its length, this URL may need to be copied/pasted into your Internet browser’s address field. Remove the extra space if one exists.).
About Power Integrations
Power Integrations is the leading supplier of high-voltage analog integrated circuits used in energy efficient power conversion. The company’s breakthrough integrated-circuit technology enables compact, energy-efficient power supplies in a wide range of electronic products, in AC-DC, DC-DC and LED lighting applications. The company’s EcoSmart(R) energy-efficiency technology, which dramatically reduces energy waste, has saved consumers and businesses around the world more than an estimated $ 3.0 billion on their electricity bills since its introduction in 1998. Reflecting the environmental benefits of EcoSmart technology, the company’s stock is included in clean-tech stock indices sponsored by Nasdaq (Nasdaq:CELS) and the American Stock Exchange (AMEX:CTIUS). For more information, visit the company’s website at http://www.powerint.com.
Find More Electronic Circuits Press Releases
- What does HiperPLC combine?
HiperPLC combines a continuous-mode power factor correction stage with an LLC half-bridge controller. - How does continuous-mode PFC minimize cost?
It limits AC flux to reduce the need for expensive Litz wire in the input choke. - Can the device eliminate AC input sensing components?
Yes, off-time PFC control allows for the elimination of these components. - Does the device prevent hard MOSFET switching?
Yes, configurable frequency limits prevent hard MOSFET switching. - What is the price of the HiperPLC device?
The device is available at $2.00 per unit in 10,000 piece quantities. - When will the Reference Design Kit be available?
RDK-189 will be available from December 15. - What type of power supply is described in the reference design?
The reference design describes a 300-watt power supply for LCD TVs. - How does the locked frequency relationship help the design?
It promotes ripple current cancellation with less harmonic content, reducing EMI filter requirements. - Does the article mention downloadable design tools?
Yes, Power Integrations offers downloadable design tools to reduce transformer iterations.
