CY7C65219-40LQXIT USB Billboard Controller | Infineon
MPN: CY7C65219-40LQXIT ✓ نشطCY7C65219-40LQXIT نظرة عامة
A dock-management controller is a specialized USB interface controller used to identify a connected USB dock or monitor and exchange implementation-specific information with a host. In the broader electronics hierarchy, it belongs to the USB controller family, connects to embedded processors and system interfaces, and operates as part of a USB device-management subsystem. The Billboard class provides a standardized mechanism through which a USB device can report descriptive capabilities to the host rather than relying only on a manufacturer-specific protocol.
The CY7C65219-40LQXIT combines a USB 2.0 controller with an Arm Cortex-M0 processor and embedded memory in one package. Its 128KB Flash memory supports firmware storage, while 8KB of SRAM provides working memory for protocol handling and control logic. The available I2C, SPI, and UART interfaces allow the controller to communicate with display panels, bridge devices, sensors, configuration components, and other dock-management peripherals. ESD protection is identified for the device family in manufacturer product information.
This integration reduces the component count required to build a USB-enabled dock-management subsystem. A dedicated microcontroller and separate USB interface IC are not required for the core Billboard function, although external circuitry may still be necessary for display interfaces, power sequencing, high-speed data paths, voltage-level translation, and connector-specific protections. The USB full-speed implementation is appropriate for configuration and control traffic rather than high-bandwidth video or storage transfers.
Typical uses include USB-C docking stations, monitor hubs, universal docking platforms, display-control boards, peripheral-management controllers, and embedded USB accessories. The controller is particularly relevant when a host must identify dock capabilities using the USB Billboard device class. It can also coordinate low-speed sideband communication with I2C, SPI, or UART peripherals while the product’s primary high-speed interfaces are handled separately.
Designers should assign USB, power, clock, reset, programming, and exposed peripheral interfaces according to the manufacturer pin-description table and application schematic. USB routing requires careful control-impedance implementation, short return paths, and placement of decoupling close to the device. External ESD and surge protection should be selected for the connector environment rather than assumed to cover every exposed interface.
This page consolidates the exact device identity, interface capabilities, package information, sourcing links, drop-in assessment, and application guidance into one engineering reference. It also separates verified device facts from parameters that require confirmation with the manufacturer datasheet, helping designers evaluate the controller without relying on unrelated USB interface listings.
بدائل مباشرة لـ CY7C65219-40LQXIT — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع CY7C65219-40LQXIT (نفس عامل الشكل والبصمة) — يختلف في ESD Protection, Embedded Flash Memory.
CY7C65219-40LQXI
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←CY7C65219-40LQXIT المواصفات
| Device Type | USB Billboard dock management controller |
| USB Specification | USB 2.0 |
| USB Speed | Full speed |
| USB Device Class | USB Billboard device class v1.21 |
| Processor Core | Arm Cortex-M0 |
| Embedded Flash Memory | 128KB |
| SRAM | 8KB |
| Serial Interfaces | I2C, SPI, UART |
| العلبة | 40-QFN (6 x 6 mm) |
| نوع التركيب | Surface mount |
| ESD Protection | Present on the device family |
دليل تكوين أطراف CY7C65219-40LQXIT 40-qfn (6 x 6 mm)
تكوين الأطراف لـ CY7C65219-40LQXIT (حزمة 40-qfn (6 x 6 mm)). يتم تعريف ترقيم الأطراف والوظائف ومخططات التوصيل في ورقة البيانات الفنية من الشركة المصنعة. راجعها للحصول على البصمة الدقيقة وإرشادات اللحام.
لا تتوفر بيانات مفصلة لمخطط التوصيلات لـ CY7C65219-40LQXIT.
راجع ورقة البيانات للحصول على تكوين الأطراف الكامل.
التطبيقات النموذجية
CY7C65219-40LQXIT مناسب لـ 6 التطبيقs: USB-C Dock Management Controller, Monitor Dock and Hub Control, Universal Docking Platform, USB Peripheral Configuration Controller, Embedded USB Accessory and Hub, Industrial USB Control Panel.
USB-C Dock Management Controller
The CY7C65219-40LQXIT fits the control plane of a USB-C dock because it combines a USB 2.0 full-speed Billboard interface with an Arm Cortex-M0 processor, 128KB Flash, and 8KB of SRAM. Firmware can respond to host enumeration, identify dock capabilities, and coordinate attached functions without a separate microcontroller for the core management task. I2C, SPI, and UART provide links to configuration devices or downstream controllers. High-speed display or storage paths should remain separate because this part is specified for full-speed management traffic.
موصى به
Monitor Dock and Hub Control
The CY7C65219-40LQXIT is suited to monitor docks that must report identity and capabilities over the USB Billboard class. Its Cortex-M0 core, 128KB embedded Flash, and 8KB SRAM support dedicated dock-management firmware, while I2C and SPI can connect panel configuration controllers, sensors, or bridge devices. UART can provide a simple auxiliary control channel. The design should keep USB full-speed routing short and controlled, and it must use the manufacturer pin table for all 40-QFN assignments.
موصى به
Universal Docking Platform
A universal docking platform can use the CY7C65219-40LQXIT to standardize host-facing identification while its embedded processor manages product-specific behavior. The USB 2.0 full-speed interface implements Billboard v1.21 communication, and the available I2C, SPI, and UART interfaces reduce the need for separate glue logic when talking to downstream peripherals. Because the device manages configuration rather than high-speed media transport, designers should pair it with dedicated pathways for display, networking, and storage traffic when those functions are required.
موصى به
USB Peripheral Configuration Controller
The CY7C65219-40LQXIT can act as a dedicated configuration controller in an accessory that needs firmware-defined behavior after USB enumeration. Its 128KB Flash provides room for protocol and product-specific logic, while 8KB SRAM supports runtime state and serial communication. I2C is useful for small sensors and configuration memories, SPI for faster peripheral controllers, and UART for diagnostic or boot-time communication. This role remains separate from a USB data bridge because the embedded processor handles management rather than bulk payload transfer.
موصى به
Embedded USB Accessory and Hub
The CY7C65219-40LQXIT can add standardized device identification to an embedded accessory or auxiliary hub section. The Billboard interface communicates with the host, and the Cortex-M0-based architecture allows firmware to coordinate the accessory’s operating mode. Auxiliary I2C, SPI, or UART links can connect the controller to local sensors, panel controllers, or configuration registers. Connector-level ESD and surge protection must be designed separately, and USB routing must preserve controlled impedance and short return paths.
موصى به
Industrial USB Control Panel
The CY7C65219-40LQXIT is applicable to an industrial control panel requiring a host-visible USB identity plus local device management. Firmware can implement Billboard identification and coordinate status or configuration functions through I2C, SPI, or UART. Its integrated 128KB Flash and 8KB SRAM provide a defined firmware platform without requiring a separate general-purpose processor for the management function. For industrial deployment, validate the exact operating-temperature grade, electrical limits, isolation strategy, and protection requirements before production release.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ CY7C65219-40LQXIT — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | CY7C65219-40LQXI |
|---|---|---|
| Brand | Infineon Technologies | Infineon Technologies |
| Package | 40-QFN (6 x 6 mm) | 40-QFN (6 x 6 mm) |
| Device Type | USB Billboard dock management controller | USB Billboard dock management controller |
| Processor Core | Arm Cortex-M0 | Arm Cortex-M0 |
| Embedded Flash Memory | 128KB | 128KB |
| SRAM | 8KB | 8KB |
| USB Configuration | USB 2.0 full speed | USB 2.0 full speed |
| Auxiliary Interfaces | I2C, SPI, UART | I2C, SPI, UART |
| Billboard Class | v1.21 | v1.21 |
أبرز الفروقات
- Integrated management processor and memory (مقابلCY7C65211-24LTXIT)
- Purpose-built USB Billboard support (مقابلCY7C68013A-56LTXC)
- Multiple embedded sideband interfaces (مقابلCY7C65219-40LQXI)
ملاحظات التصميم
Use the manufacturer package drawing and land pattern for the 40-QFN, including its exposed thermal or electrical pad as defined by the datasheet. Place input and internal decoupling capacitors close to their assigned pins, provide a continuous ground reference beneath the device, and route USB D+ and D- as a controlled-impedance pair with minimal stubs. Avoid placing test pads or other high-capacitance structures directly on the differential pair.
Decouple each required supply rail near the controller and keep power-distribution branches independent from noisy USB or display-converter paths. Confirm the exact input-voltage range, absolute maximum ratings, operating-temperature grade, and exposed-pad connection from the manufacturer datasheet before selecting regulators. If the exposed pad is electrically connected, follow the recommended plane and via pattern rather than assuming it is only a thermal surface.
Do not substitute the CY7C65211-24LTXIT or CY7C68013A-56LTXC solely because they are related USB controllers; their package counts and footprints differ from the 40-QFN target. Likewise, confirm the final ordering character of CY7C65219-40LQXI against the Infineon ordering table. Validate Billboard firmware, programming, reset, clock, and exposed auxiliary interfaces as a complete system rather than checking only the USB D+ and D- pins.
Keep the USB connector, protection devices, controller, and required support components in a predictable signal path. Provide low-impedance return connections beneath the USB pair, avoid routing the pair across split planes, and place ESD protection close to the connector. The Billboard interface carries management traffic rather than high-speed media, but correct signal integrity still improves enumeration reliability and reduces susceptibility to external interference.
Treat the USB full-speed interface as a differential high-speed signal even though its intended bandwidth is lower than high-speed USB. Use a geometry consistent with the board’s calculated impedance, minimize via count, avoid stubs, and maintain consistent reference planes. Confirm whether the device requires an external PHY, transceiver, or series termination from the manufacturer application schematic before finalizing the USB front end.
معلومات الامتثال
The manufacturer product page and distributor listings do not provide explicit compliance values in the referenced excerpts. Automotive qualification is not applicable to this general-purpose USB controller ordering code.
