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China High-Efficiency LLC Power Supply Chip Manufacturer, Supplier, Factory

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  • KP1315SPA

    KP1315SPA

    The KP1315SPA model supports PWM and 0-10V dimming isolation primary PSR constant current chips, with high dimming accuracy and depth, suitable for applications such as medium and high-power isolated lighting power supplies.
  • AS68032

    AS68032

    AS68032 is a high-precision 3-route LED modulation drive, which can independently set the PWM signal duty ratio of 3 channels through 3 PWM interfaces to achieve the dimming and color adjustment function.
  • KP1511SPA

    KP1511SPA

    KP1511SPA is a highly integrated step-up PFC constant voltage controller, the chip adopts a quasi-resonant mode of operation, coupled with active power factor correction control technology to meet the requirements of high power factor, ultra-low harmonic distortion and high efficiency.
  • KP1070QWPA

    KP1070QWPA

    KP1070QWPA is a highly integrated power switch with Quasi-Resonant Buck (QR-Buck) constant current (CC) control for LED lighting applications without auxiliary winding.
  • KP127XFCSA

    KP127XFCSA

    KP127XFCSA is a family of highly integrated Constant Current LED power switch. The IC utilizes Quasi-Resonant (QR) Buck topology with active PFC control for high PF, low THD, and high efficiency.
  • SI1211

    SI1211

    SI1211 is an AC high-voltage AC linear LDO constant voltage chip with a compact inductorless design.
  • Related Blog
  • Reviews

  • PFC+LLC Composite controller.

    ​For high power density, high power output fast charge needs, Sillij launched a high-performance PFC+LLC combination controller SY5055, which sealed the front BOOST PFC and the rear LLC controller, making the peripheral circuit more concise, saving costs and also conducive to improving the power density of the entire power solution.

  • DBTR_2591A_01_REV1.0_2023-04-14

    The KP2591(A) is a resonant switching power controller based on half-bridge LLC resonant converter, which integrates half-bridge driver with 50% duty cycle, and the maximum operating frequency is up to 350kHz.

  • 50W High Performance LED Filament Lamp Driver with KP1352+GaN FET

    The demo board is designed to demonstrate a highperformance 50WLED filament lamp solution with a full input voltage range. The demonstration board is realized through a highly integrated high-frequency direct drive gallium nitride boost boost PFC constant current controller KP1352, with 650V power GaN FET.

  • Drain Sensing CrM Boost PFC 100W Demo Board with KP2801A

    This DEMO Board provides 100W CrM Boost PFC Solution. The controller KP2801A enables to drive without auxiliary winding ZCD sensing by Novel Drain sensing tech...

  • ​How Does Integrated EMI Filter in ACDC Constant Current Chip Simplify Power Supply Design?

    This technological leap demonstrates its advantages in wide-voltage scenarios. When the input voltage jumps from 90V to 264V, Huqin's ACDC chip can dynamically adjust the internal electromagnetic structure to keep the noise attenuation rate consistently above 42dB. However, when the voltage of a certain competing product's DCDC solution undergoes a sudden change, the filtering effect will decline by 15dB. This is like teaching the chip "metamorphosis". Test engineer Xiao Zhang pointed at the spectrum analyzer and said, "Our chip can reconstruct the electromagnetic topology in real time based on the interference frequency. This kind of intelligent response is something that discrete solutions can never catch up with."

  • The ultra-compact 40V series of buck converters are used in areas such as smart home appliances.

    With the improvement of consumers' quality of life, networked remote control makes smart home appliances with a "sense of science and technology" halo become a new generation...

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