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This time, the core microelectronics with the medium power LED driver IC PN8316, 8317 competed for the 2014 high-tech Golden Globe Award. The PN8316/8317 consists of a high-precision quasi-resonant constant current controller and a 1.6~4.2 ohm smart power MOSFET. It uses a BUCK circuit architecture for high-efficiency, single-inductor, peripheral-simplified, medium-power, non-isolated LED illumination with maximum power. 40W.
"This series of products saves the peripheral high-voltage starting resistor. Everyone knows that the high-voltage bus pull-down starting resistor has a voltage drop of several hundred volts, which causes the resistor itself to be easily damaged. After the core has passed the built-in dedicated high-voltage start-up MOS tube, the external starting resistor is omitted. The power supply is more stable and the BOM cost is lower.†Xin Peng, deputy director of the company, said that the series integrates 5N65 high-voltage MOS, and can share the same PCB board from 12-40W. Plug in the inductor / chip, that is, 90% of the components are shared, easy to prepare.
According to Dr. Yi Yangbo, PN8316/8317's built-in high-voltage start-up 100ms instant-on technology and CS short-circuit self-locking protection technology are domestically leading. The 1% line voltage regulation index is domestically leading, and the built-in protection function is more comprehensive.
In order to better serve customers, the core PN8316/8317 has a complete solution, with at least 13-15 peripheral components.
The series is aimed at medium power lighting products such as flat panel lights/fluorescent lamps. At present, this product has been sold for 50% for half a year, especially in the application field of 18-40W flat lamp because of its high BOM integration, simple production and reliable protection.
Everyone is welcome to call and sample, and support the core friend micro PN8316/8317 in the 2014 Golden Globe Awards!
At present, the 2014 (5th) High-tech Golden Globe Award - the annual LED good product selection has entered the WeChat voting stage: August 8 - September 30.
If you have already paid attention to the official WeChat LED, please click on the menu bar "Golden Ball Award - I want to vote" under the official WeChat of Gaogong LED Network to vote.
If you have not paid attention to the high-tech LED WeChat, please pay attention to the official WeChat (micro-signal: weixin-gg-led) of Gaogong LED network, and then click on the menu bar "Golden Ball Award - I want to vote" under the official WeChat LED official website. . 
CorePan micro-carrying non-isolated single-inductor LED constant current driver chip PN8316/8317 compete for high-tech Golden Globe Award
[Text|High-tech LED reporter Long Zonghui] LED lighting drive power efficiency is one of the bottlenecks that limit the improvement of light efficiency and the cost of the whole lamp radiator. The non-isolated drive architecture has the advantages of high efficiency (over 90%), high output voltage, and low BOM cost and low cost compared to the flyback isolation drive architecture.