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GR61CN2702MR是国睿(GR)推出的低功耗单路电压检测器,核心用于数字系统的上电/掉电复位保护,凭借宽电压范围、极低静态电流及工业级温度适应性,适配电池供电、小型化及 harsh 环境下的各类应用场景。
该器件属于复位类电压检测器,核心功能是监控系统电源电压:当电源电压低于阈值(2.7V)时,输出低电平(复位有效),强制数字电路(如MCU、DSP)处于复位状态;当电源电压恢复并稳定后,延迟一段时间释放复位,确保电路正常启动。
需注意:产品无手动复位功能,设计时无需额外添加复位按键,可简化PCB布局。
GR61CN2702MR的参数围绕“低功耗、宽适配、精准复位”设计,核心参数及意义如下:
产品采用SOT-23-3表面贴装封装,尺寸为2.9mm×1.6mm×1.1mm,体积小巧,适合高密度PCB设计。引脚功能如下:
引脚编号 引脚名称 功能说明 1 VDD 电源正极(接系统电源) 2 GND 电源负极(接地) 3 RESET 复位输出(开漏)注意:RESET引脚需外接上拉电阻至VDD或逻辑电源,否则无有效输出电平。
GR61CN2702MR的特性使其适配以下典型场景:
GR61CN2702MR的核心优势集中在“低功耗、宽适配、高可靠”三方面:
GR61CN2702MR内部集成基准电压源、比较器及延迟电路:
该产品以高性价比、低功耗及宽适配性,成为小型数字系统复位保护的优选器件,适合对成本、空间及功耗敏感的应用场景。
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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.
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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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