{"product_id":"ch334p-4-port-usb-2-0-hub-controller-crystal-less-qfn-16","title":"CH334P 4-Port USB 2.0 Hub Controller (Crystal-less, QFN-16)","description":"\u003cp\u003eExpand your system's connectivity effortlessly with the \u003cb\u003eCH334P\u003c\/b\u003e high-performance 4-port USB 2.0 Hub controller. Designed for space-constrained embedded systems, this highly integrated IC allows you to split a single USB port into four independent USB 2.0 interfaces. It is an invaluable component for custom drone payloads, where a companion computer (like a Raspberry Pi or Compute Module) needs to interface simultaneously with multiple USB devices such as flight controllers, cameras, telemetry radios, and LiDAR sensors.\u003c\/p\u003e\n\u003cp\u003eWhat sets the CH334P apart is its crystal-less design—it features a built-in oscillator and PLL, completely eliminating the need for an external crystal. Combined with integrated pull-up and pull-down resistors, it drastically reduces your Bill of Materials (BOM) and saves precious PCB real estate. Packaged in an ultra-compact QFN-16 footprint, it delivers robust, high-speed (480 Mbps) USB expansion for professional DIY electronics, custom keyboards, and robotics.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCrystal-less Architecture:\u003c\/b\u003e Features a built-in 12MHz oscillator, removing the need for a bulky external crystal and simplifying PCB routing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e4-Port Expansion:\u003c\/b\u003e Converts one upstream USB 2.0 port into four downstream ports, all supporting High-Speed (480 Mbps), Full-Speed (12 Mbps), and Low-Speed (1.5 Mbps) transfers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHigh Integration:\u003c\/b\u003e Includes internal LDOs and necessary USB termination resistors, requiring minimal external components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eUltra-Compact:\u003c\/b\u003e The tiny QFN-16 package is perfect for lightweight, densely populated boards in FPV drones and IoT devices.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePart Number:\u003c\/b\u003e CH334P\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eIC Type:\u003c\/b\u003e 4-Port USB 2.0 Hub Controller\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTransfer Rates:\u003c\/b\u003e Up to 480 Mbps (High-Speed)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eOscillator:\u003c\/b\u003e Internal (No external crystal required)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePackage Type:\u003c\/b\u003e QFN-16 (SMD\/SMT)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RC-LIFE","offers":[{"title":"Default Title","offer_id":54258635702610,"sku":null,"price":1.5,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1065\/8067\/2850\/files\/ch334p.jpg?v=1786698343","url":"https:\/\/rc-life.com\/products\/ch334p-4-port-usb-2-0-hub-controller-crystal-less-qfn-16","provider":"rc-life","version":"1.0","type":"link"}