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    • China Constant Current DC-to-DC Power Supply Chip Manufacturer, Supplier, Factory

    Welcome to wholesale customized Constant Current DC-to-DC Power Supply Chip from our company - Cokintech. Our factory is a Constant Current DC-to-DC Power Supply Chip manufacturer and supplier in China. We look forward to working with you, and we provide good services for you. Our products are high quality, advanced and durable. You are welcome to wholesale our latest selling and low price products from our factory, our factory has in stock.

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    • KP2813ASGA

      KP2813ASGA

      KP2813ASGA is a high power factor, low total harmonic distortion, primary side control flyback constant voltage controller.
    • AS1631

      AS1631

      The AS1631 is a resonant switching power controller based on a half-bridge LLC resonant converter. The chip integrates high-voltage start, AC power failure detection and X capacitor discharge functions to meet the requirements of fast start and ultra-low standby.
    • AS2780

      AS2780

      The AS2780 is a constant voltage output controller with high power factor, low total harmonic distortion, and primary side control.
    • KP18068ESPA

      KP18068ESPA

      KP18068ESPA is a high-precision five channel high voltage LED linear constant current dimming chip, which can be independently set with the I2C (Inter-Integrated-Circuit Bus) interface to adjust the size of five current channels and maintain various dimming modes.
    • 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.
    • KP1075XWPA

      KP1075XWPA

      KP1075XWPA is a highly integrated power switch with Quasi-Resonant Buck (QR-Buck) constant current (CC) control for LED lighting applications without auxiliary winding.
    • Related Blog
    • Reviews

    • 500W, Single Stage LLC Power Supply Reference Design with KP2591(A)

      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.

    • New grid drive series KP8530X for high reliability motor drive.

      Modern power electronics applications are based on the conversion technology of power devices, and all power devices require suitable gate drive solutions. As a bridge between...

    • 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.

    • 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.

    • 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...

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