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CONSONANCE CN810L
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- CONSONANCE CN810L
- Type
- CONSONANCE
- Minimum package
- 3000 卷
Technical parameters
- Electronic Component
- CONSONANCE
- Electronic Component
- CN810L
- Electronic Component
- 1
- Package
- SOT-23-3
- Electronic Component
- Supervisorand positions IC
- Electronic Component
- 0.02g
- Electronic Component
- 1
- Electronic Component
- BM0257674202
- Reset
- 140ms
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 1.15V~5.5V
- ICType
- Voltage Supervisor
- Voltage
- 4.63V
- Static Current(Iq)
- 3.2uA
- Supervisor Voltage
- 1
- Reset Level
- Level
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
CN810L 产品概述
一、产品简介
CN810L 是 CONSONANCE（上海如韵）推出的一款低功耗电源电压监控器（复位 IC），用于对单路电源进行欠压监测与复位管理。器件工作电压范围宽（1.15V ~ 5.5V），当被监控电压降至阈值以下或电源上电未稳时，向系统输出复位信号，保证微控制器或数字电路在稳定电源下启动或运行。
二、主要特性
- 工作电压范围：1.15V ~ 5.5V，适用 1.2V、1.8V、3.3V、5V 等常见电压域。
- 监测路数：单路电压监控。
- 复位有效电平：高电平有效（复位信号为高电平时系统被复位）。
- 阈值电压：4.63V（用于检测 5V 供电的欠压情况）。
- 复位保持时间：典型 140 ms（上电或欠压恢复时保证足够的复位保持时间）。
- 休眠电流：静态电流仅 3.2 µA，适合电池供电或低功耗系统。
- 工作温度范围：-40℃ ～ +85℃，适合工业级环境。
- 封装：SOT-23-3，体积小、易于 PCB 布局。
三、电气规格要点
- 适用于需要 5V 欠压监测的应用场合，阈值 4.63V 能有效检测电源下陷、掉电与瞬态跌落。
- 复位输出为“高电平有效”，具体输出驱动类型（推挽或开漏）请参考完整数据手册以决定是否需外接上拉。
- 140 ms 的复位超时保证 MCU 在电源稳定后有足够的时间完成初始化，避免因短暂电压抖动导致误工作。
- 极低的静态电流有利于延长电池使用寿命并减少待机功耗。
四、典型应用场景
- 单片机、DSP、FPGA 的电源欠压保护与可靠上电复位。
- 电池供电设备、便携式仪器、低功耗传感节点。
- 工业控制设备、嵌入式系统、通信设备等需稳健复位管理的场合。
- 作为系统电源管理的前端监督器，配合电源开关与电源路径保护电路使用。
五、设计与使用建议
- 电源引脚应配置 0.1 µF 陶瓷去耦电容，靠近器件电源引脚布局以抑制瞬态噪声。
- 若数据手册指出输出为开漏，请外接合适阻值的上拉电阻；若为推挽输出，则可直接驱动目标复位输入。
- 考虑到阈值为 4.63V，请在多电源或线性稳压器环境下验证实际上电/下电曲线，以确保复位动作符合预期。
- 对于对复位时间有特殊要求的系统，可在外部增加 RC 或使用额外复位控制器以延长或缩短复位保持时间。
- PCB 布局上，优先将 CN810L 放置于电源入口附近，并保证地线回流路径短且稳固，以减少干扰导致的误动作。
六、封装与订购信息
- 型号：CN810L
- 品牌：CONSONANCE（上海如韵）
- 封装：SOT-23-3，便于焊接与自动贴装。
- 使用前建议参考完整数据手册获取精确阈值公差、输出类型、时序曲线与可靠性试验数据，以便在设计中正确选型。
总结：CN810L 以其宽工作电压、低静态电流和 4.63V 欠压阈值，适合对 5V 电源进行可靠监控与复位管理，是便携与工业嵌入式系统中常用的电源监督解决方案。
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