Mingwei Electronics High-tech LED Lighting Exhibition pushes 763X stroboscopic high power factor IC

[Text / high-tech LED reporter Long Zonghui] High-tech Golden Globe Award IC class winner Ming Microelectronics participated in the push high-voltage linear drive solution. Not only the main models SM7513 and SM7302 bring 763X without stroboscopic and high power factor, but also the 733X and 753X series in the small batch trial production stage.

According to the field power management FAE Liu Zhigang, SM7513 is a high-performance constant current control chip, mainly used in the constant current control switch chip in the field of low-power LED lighting. This chip is used in the 90Vac-264Vac-input voltage range. Compatible with 1-3W (including red LED) lighting scheme, the system constant current accuracy is less than Â± 3%.

No need for loop compensation, and saves power, TL431 and transformer auxiliary windings, the overall BOM cost is lower. SM7303 is also an efficient LED constant current control power switch chip. The above IC chips can pass EFT, lightning strike, surge and other reliability tests, and can pass 3C, UL, CE and other certification standards.

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