Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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Technical data
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ETA1617S2G 是钰泰(ETA)推出的一款单通道升压型恒流 LED 驱动器,采用 SOT23-6 小封装,集成开关管,工作电压范围宽(2.7V 至 6V),适合便携式电源或电池供电的白光/单颗高亮 LED 驱动场景。器件开关频率高达 800kHz,支持 PWM 调光,最大输出电流可达 60mA,并具备过压保护(OVP)与过温保护(OTP),适合空间受限、对静噪和效率有要求的应用。
ETA1617S2G 在 2.7V~6V 范围内稳定工作,内部开关管减小外围元件数量。800kHz 的高开关频率有利于减小电感体积与输出滤波电容,提升系统的小型化能力。PWM 调光接口可实现高频调光,避免可见闪烁。保护机制在异常工况下自动介入,提升系统可靠性。
SOT23-6 小封装便于小型化设计,但散热受限。高功率或高占空比工作时需注意 PCB 散热:增大 GND 铜箔面积,设计散热钢琴键或加热散热垫,并保证电感、二极管布置合理以降低温升。
ETA1617S2G 集成 OVP 与 OTP,遇到输出异常或器件过热时会自动限制输出或进入保护关断,保证 LED 与器件安全。建议在系统级增加保险与过流检测以提高整体可靠性。
ETA1617S2G 以其小封装、高频率与内置开关的集成度,适合对体积、成本和电池驱动效率有要求的小功率 LED 驱动应用。在实际设计中按上述建议选择外部被动元件并优化 PCB 布局,可获得较好的效率与稳定性。
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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.
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