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
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MAX4372TEUK+T 是一款面向高压侧电流检测的微功耗电流检测放大器(current-sense amplifier),适合高侧电流监测及电流采样场合。器件采用 SOT-23-5 小封装,工作于单电源 2.7V 至 28V,并能在高达 28V 的共模电压下对负载电流对应的分流电阻两端差分电压进行 20V/V 的放大输出。器件静态电流仅约 30µA,输入偏置电流低(约 1µA),输入失调电压小(约 300µV),非常适合电池供电和低功耗系统中的长时间电流监测。
典型 SOT-23-5 引脚分配(请以具体器件数据手册为准):
注:实际引脚排列请参照官方规格书和封装图。
假设希望测量最大 1A 电流,要求放大器输出满量程约 2V,则所需分流电阻: Vshunt_max = 2V / 20 = 0.1V → Rshunt = 0.1V / 1A = 0.1Ω 在此设计下,器件安全且输出位于常见 ADC 输入范围内,且满足差分电压小于 ±0.3V 的限制。
MAX4372TEUK+T 是一款适合高压侧、低功耗场合的电流检测放大器,凭借 0–28V 的共模支持、20V/V 的固定增益、低静态电流和小失调,适用于电池供电系统、过流保护和工业电流监测等应用。在系统设计时注意差分输入限制、输出摆幅与分流电阻的配合,以及必要的布线与滤波措施,可实现稳定、准确的电流测量。有关精确引脚定义、电气特性曲线和典型应用电路,请参见官方数据手册以获得详细参数与建议。
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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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