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BM85163ESA是捷茂微(GATEMODE)推出的一款低功耗工业级实时时钟(RTC)芯片,采用SOP-8封装,专为需要精准计时、低功耗待机及定时触发功能的应用场景设计。其核心优势在于宽电压兼容、极低静态电流及内置晶振,可简化系统设计并延长电池续航,适用于消费电子、工业控制、智能家居等多领域。
BM85163ESA的参数设计聚焦功耗、兼容性与环境适应性,关键指标如下:
静态电流仅0.25uA,意味着一块CR2032纽扣电池可驱动BM85163ESA待机数年,特别适合电池供电的便携设备(如智能手环、电子钟)或长期待机的工业节点,无需频繁更换电池。
无需外接32.768kHz晶振及匹配电容,不仅降低了BOM成本(减少2~3个元器件),还节省了PCB布局空间,尤其适合小型化、高密度的产品设计(如智能手表、微型传感器)。
1V~5.5V的宽电压范围,可直接对接1.8V单片机、3.3V MCU及5V电源系统,无需额外的电平转换电路,提升系统兼容性与设计效率。
-40℃~+85℃的工作温度范围,覆盖了大部分工业场景(如PLC模块、户外传感器)及极端环境应用,避免了普通消费级RTC在低温下计时不准的问题。
集成闹钟输出功能,可通过I2C设置定时时间,输出信号可触发外部设备(如唤醒休眠的MCU、启动数据采集、触发报警等),满足多样化的定时任务需求。
BM85163ESA的参数与功能使其适用于以下场景:
综上,BM85163ESA凭借低功耗、宽电压、内置晶振、工业级温度等核心优势,成为多领域实时时钟设计的高性价比选择,尤其适合对功耗敏感、需要简化设计的应用场景。
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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.
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The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
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