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.
MAX490ESA是XBLW(芯伯乐)推出的兼容MAX490系列的RS-485/422全双工收发器,针对低功耗、多节点、宽电压的通讯需求设计,可实现长距离、双向实时数据传输。产品广泛适配工业自动化、智能家居、物联网网关等场景,兼顾性能与成本优势。
工作电压范围为3V~5.5V,兼容3.3V单片机(如STM32)和5V传统系统,无需额外电平转换芯片,直接对接MCU的TTL/CMOS电平,大幅降低电路复杂度与BOM成本。
内置1个驱动器+1个接收器,独立控制收发,可同时实现数据的上传与下发(如工业现场传感器数据上传+控制指令下发同步),满足实时性要求较高的场景。
最大支持256个节点,是普通RS-485收发器(128节点)的2倍,可构建分布式网络(如智能家居中控连接数十个智能设备、工业PLC连接远程IO模块),适配复杂拓扑结构。
数据速率可达2.5Mbps,比1Mbps速率收发器效率提升150%,可支持低码率高清视频流、实时监测数据(如温度、压力)的快速传输,避免数据延迟。
静态电流仅270μA,待机状态下功耗极低,适合电池供电的便携设备(如手持环境监测仪)或低功耗物联网终端,单次充电可支持数天至数周的连续运行。
具备**±3kV人体模型(HBM)ESD防护**,符合工业级基本防护标准,可有效避免组装、调试过程中静电对器件的损坏,减少现场故障发生率。
工作温度为0℃~+70℃(商业级),稳定适配办公室、家庭、一般工业厂房等室内环境,满足多数消费电子与轻量工业应用的温度需求。
采用SOP-8贴片封装(尺寸5.2mm×6.0mm),体积小巧,适合PCB密集布局,支持自动插入与回流焊工艺,引脚功能清晰:
该产品平衡了性能与成本,是工业、消费电子、物联网领域的高性价比RS-485/422收发器选择。
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