全新发布!纳芯微可调延时的电压监控复位芯片NSR7808系列

Release time:2023-04-19
author:AMEYA360
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  纳芯微全新推出电压监控复位芯片NSR7808系列,该系列产品专为汽车和工业场景中微处理器中的电路监控而设计,可持续监控电源的跌落和恢复,保障设备系统的可靠和稳定运行。广泛应用于车载信息娱乐系统、汽车自动驾驶、车身控制模块、MCU和处理器等控制电路,以及工业应用场景服务器和数据中心,安防监控摄像头中。

全新发布!纳芯微可调延时的电压监控复位芯片NSR7808系列

  该系列产品可以用于监控最低0.4V的系统电压,并提供复位功能,且复位延时是可编程的。当SENSE电压降低到阈值VIT,或者手动复位MR电压触发至低电平时,RESET信号便被设置为有效。RESET输出保持低,直到用户设置的延迟时间后释放,拉升至逻辑高电平。复位电压可以设置为0.9V至5V的典型电压轨,且NSR7808G01 版本的复位电压可通过外部电阻分压器进行调节配置。

  NSR7808系列产品具有3.6uA典型值的超低静态电流,非常适合汽车和工业上电池供电的应用场景。它提供了精确的基准电压,可实现+0.5%的阈值精度。通过连接在CD和GND之间的电容器可以配置选择复位延迟的时间,可以实现1.25ms至10s之间选择任意值。将CD引脚悬空,默认延迟时间为20ms;将CD引脚连接到VDD,延迟时间则为300ms。

全新发布!纳芯微可调延时的电压监控复位芯片NSR7808系列

  NSR7808系列产品给硬件设计者提供了丰富的解决方案,有各种固定电压版本,也提供可调电压选项。提供SOT23-6(2.9mm*1.6mm)和DFN-6 ( 2mm*2mm)两种封装形式,满足用户不同设计需求。

  产品特性

  上满足AEC-Q100车规要求

  供电电压范围: 1.8V-5.5V

  监控阈值电压:

    固定版本: 0.84, 1.12, 1.16, 1.4, 1.67, 1.77, 2.33, 2.79,3.07, 4.65

      可调版本:可选分压电阻可调Adjustable

  超低静态功耗lq:典型值3.6uA

  高精度复位阈值电压: +0.5%

  带Manual Reset功能

  输出类型: Open-Drain开漏

  宽温度范围-40°C至125°C

  封装: SOT23-6, DFN-6

       应用场景:

全新发布!纳芯微可调延时的电压监控复位芯片NSR7808系列

全新发布!纳芯微可调延时的电压监控复位芯片NSR7808系列

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