【产品】微处理器监控IC R5106N内置延迟电路和看门狗定时器，检测精度高达±1.0％

时间： 2023-12-07 来源：NISSHINBO官网

技术问答

NISSHINBO (日清纺) 推出的R5106N是一款微处理器监控IC，内部集成有高精度和超低功耗的电流电压检测器，内置延迟电路和看门狗定时器。当电源电压下降超过检测器的阈值，或看门狗定时器未检测到来自微处理器的系统时钟时，产生复位输出，电压检测电路则用于系统复位。检测器阈值在芯片内部恒定不变，检测精度高达±1.0％。内置释放延迟时间电路，输出延迟时间可通过外部电容进行调节，调节精度为±16％。当电源电压高于释放电压时，在延迟时间内将保持复位状态。复位的输出类型可进行选择，分为Nch漏极开路或CMOS方式。

看门狗定时器的超时周期也可以通过外部电容设置，精度为±33％。通过看门狗定时器（INH功能）可以停止监视时钟。根据不同封装以及电压检测器和看门狗定时器特定功能，还有其他4种产品可选择。R5106N的封装采用SOT-23-6。

微处理器监控IC R5106N特性与优势

• 电源电流（ISS）典型值低至11μA；

• 工作电压范围（VDD）为0.9V至6.0V；

<电压检测器部件>

• 检测器阈值范围为 1.5V至5.5V（0.1V步进）；

• 探测器门限精度达到±1.0％；

• 上电复位延迟时间精度可高达±16％（- 40°C≤Ta≤105°C）；

• 电压检测器的上电复位延迟时间的典型值为370ms，带外部电容值0.1μF；

<看门狗定时器部件>

• 看门狗定时器的超时周期精度达到±33％（- 40°C≤Ta≤105°C）；

• 看门狗定时器的超时时间典型值为310ms，带外部电容值0.1μF；

• 看门狗定时器的复位定时器典型值为34ms，带外接电容0.1μF；

• 抑制引脚（INH）能够停止看门狗定时器；

• 封装型号为SOT-23-6；

微处理器监控IC R5106N应用领域

• 微处理器设备的监控电路

关于Nisshinbo (日清纺)
原新日本无线（NJR）株式会社和原理光微电子（原RICOH）株式会社已于2022年1月合并，并以⽇清纺微电⼦（Nisshinbo）株式会社的名义运营。日清纺（Nisshinbo）整合两家公司的优势，完善 "连接一切 "的技术，并努力作为一个模拟解决方案的供应商进一步成长和发展，为实现超智能社会做出贡献。

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本文由月照松间转载自NISSHINBO官网，原文标题为:【产品】内置延迟电路和看门狗定时器的高精度微处理器监控IC R5106N，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。

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型号- R5106N201X,R5106N411X,R5106NXX1∗-TR-#E,R5106NXX1C,R5106NXX1B,R5106N191X,R5106NXX1A,R5106N381X,R5106N151X,R5106N171X,R5106N361X,R5106N341X,R5106N321X,R5106N551X,R5106N531X,R5106N301X,R5106N511X,R5106NXX1X-TR-AE,R5106N,R5106NXX1X-TR-JE,R5106N291X,R5106N271X,R5106N481X,R5106N251X,R5106N231X,R5106N461X,R5106N211X,R5106N441X,R5106N421X,R5106N401X,R5106N SERIES,R5106N181X,R5106N391X,R5106N371X,R5106N161X,R5106N351X,R5106N541X,R5106N331X,R5106N311X,R5106N521X,R5106N501X,R5106N491X,R5106N281X,R5106N471X,R5106N261X,R5106N241X,R5106N451X,R5106N431X,R5106N221X

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日清纺看门狗定时器（WDT）选型表

日清纺（NISSHINBO）提供以下技术参数看门狗定时器的选型，低消耗电流：8.5μA-25μA，输入电压0.9-42V，输出电压精度：0.9%-5%，超时时间：18ms、310ms，精度：20% 、21.7％、33％

产品型号	品类	最小输入电压(V)	最大输入电压（V）	封装	超时时间（ms）	超时时间精度（±%）	消耗电流（μA）
R5107G431A-FE	WATCHDOG TIMER	0.9V	6V	SSOP-8G	310ms	±33%	11μA