Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Available for RFQ
Technical data
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
uPD720210K8-BAF-A 是瑞萨(Renesas)推出的一款高性能 USB 集线器控制器芯片,面向 USB 3.0(SuperSpeed)集线器应用。器件封装为 QFN-76(9×9 mm,带散热焊盘),提供 SPI 存储器接口用于固件/描述符存储和配置,适合嵌入式外设扩展、扩展坞与消费类外置集线器等产品线。
该器件面向 USB 3.0 集线器实现,支持 SuperSpeed 通信并兼容低速/全速/高速 USB 设备。通常集成链路管理和 PHY 接口(需结合具体数据手册确认),并提供通过 SPI 外接闪存以实现设备描述符与固件的灵活定制。器件支持常见的电源与端口管理策略(如 VBUS 控制与端口使能),便于在多端口集线器或扩展坞方案中实现对外设的电源和枚举管理。芯片稳定的高速特性可保证外接存储、摄像头和其他大带宽外设的传输性能。
采用 QFN-76(9×9)封装,底部带散热焊盘(EP),建议在 PCB 布局时提供良好散热与接地回流。高速 USB 差分对需严格做阻抗控制与对称布线,靠近器件处保留合适差分对长度匹配。为 1.05 V、3.3 V 与 5 V 电源分别设计去耦电容与上电顺序,确保核心与 IO 稳定。USB VBUS 线应考虑电流承载能力与热耗,外部应配合过流检测、限流与 ESD/浪涌保护器件以提升系统可靠性。SPI 闪存布局应靠近芯片,缩短时钟与数据线长度以保证编程与启动时的可靠性。
在选型时确认所需的端口数与系统电源预算,评估是否需要外部开关或电源控制芯片配合 VBUS 管理;根据产品定位选择合适容量与速度的 SPI 闪存以存放固件与描述符;参考瑞萨提供的数据手册与参考设计,利用评估板进行功能验证与兼容性测试。注意器件的工作温度范围为 0~70 ℃,若应用于更苛刻环境需考虑额外的温度方案或选用更高等级器件。
如需后续提供规格书要点拆解、参考原理图建议或 PCB 布线检查清单,可告诉我您的具体设计与应用场景,我将提供针对性的工程建议。
Request for quote
Use the form for single models, category sourcing, and multi-line BOM requirements.
Product sourcing intelligence
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.
The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.
A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.
The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.
Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.
When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.
Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
Related products