MAX31334

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集成电源开关的超低功耗实时时钟

业界为数不多集成高侧电源开关的RTC

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产品技术资料帮助

ADI公司所提供的资料均视为准确、可靠。但本公司不为用户在应用过程中侵犯任何专利权或第三方权利承担任何责任。技术指标的修改不再另行通知。本公司既没有含蓄的允许,也不允许借用ADI公司的专利或专利权的名义。本文出现的商标和注册商标所有权分别属于相应的公司。

概述

  • 超低功耗实时时钟
    • 计时电流:70nA
    • 计时电压范围:1.1V至5.5V
    • 发生电源故障时自动切换到备用电源
    • 提供用于外部超级电容的涓流充电器
  • 带状态机的集成电源开关可延长系统电池续航时间
    • 连续电流高达500mA
    • 57mΩ超低导通电阻
    • 发生周期中断时唤醒——倒数计时器(100ms至1hr)和警报(分辨率为1s)
    • 发生外部中断(如按钮)时唤醒
  • 节省电路板空间
    • 晶体无需外部电容
    • 1.5mm x 2mm 12-WLP
    • 3mm x 3mm 12-TDFN
  • 提供增值功能以方便使用
    • 可用多种32.768kHz晶体(无CL限制)
    • 两个当日时间警报
    • 事件检测和时间戳
    • 1/128秒寄存器
    • 32字节用户RAM
MAX31334
集成电源开关的超低功耗实时时钟
MAX31334 Circuit Diagram
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工具及仿真模型

IBIS 模型 1


评估套件

eval board
MAX31334SHLD

MAX31334评估套件

特性和优点

  • 简化MAX31334的评估
  • +1.1V至+5.5V单电源供电
  • 经过验证的PCB布局
  • 装配完成且经过测试

产品详情

MAX31334扩展板评估套件(EV套件)是一款装配完成且经过测试的PCB,用于评估MAX31334,后者是一款集成电源开关、I2C接口和电源管理功能的超低功耗、低成本、实时时钟(RTC)。该扩展板评估套件由单电源(来自USB或外部电源)供电,板载晶体提供32.768kHz时钟信号。该器件通过MAX32625PICO板提供的I2C串行接口访问,该板通过USB端口连接到PC。

MAX31334扩展板评估套件提供评估MAX31334所需的硬件和软件图形用户界面(GUI)。该套件预安装了MAX31334。它通过MAX32625 PICO板和micro-USB电缆连接到PC。

应用

  • 电子货架标签
  • 超低功耗物联网模块
  • 可穿戴医疗设备
  • 温度记录器
  • 资产追踪
  • 电池供电设备

eval board
MAX32670-SX-ARDZ

基于 MAX32670 超低功耗 Arm Cortex-M4 微控制器和 SX1261 射频收发器的长距离无线电开发平台

特性和优点

  • 单片机:
    • Arm Cortex-M4 内核,配备 FPU,频率高达 100 MHz
    • 具有纠错功能的 384 kB 闪存
    • 160 kB SRAM(启用 ECC 时为 128 kB),可选择在最低功耗模式下保留
    • 兼容 RTC 分辨率,用于协议超时管理
  • 安全性:
    • 可用的安全引导
    • 支持加密算法,包括 AES-128/192/256
  • 电源
    • 带有集成电源开关的超低功耗实时时钟
      • 休眠模式下功耗为 300 nA
  • 长距离无线电
    • 支持 FSK、GFSK、MSK、GMSK 和长距离 FHSS 调制
    • 输出功率:+15 dBm 发射峰值功率
    • 可编程比特率高达 62.5 kbps 和 300 kbps
    • 支持 800 MHz 至 960 MHz 的 sub-GHz ISM 频段
    • 高灵敏度:低至 -148 dBm

产品详情

MAX32670-SX-ARDZ 基板采用基于 Arm Cortex®-M4 处理器的 MAX32670 高可靠性、超低功耗微控制器和 SX1261 长距离 RF 收发器。集成的 R​​F 收发器支持 800 MHz 至 960 MHz 的频率范围,使其适用于以无线方式远距离传输加密数据的高性能灵活平台;使用 ADI 传感解决方案实现广泛的物联网应用。

由于其低功耗,该模块非常适合使用小型电池运行的设备。板载 MAX32670 Arm Cortex®-M4 32 位微控制器为平台提供了运行整个 RF 堆栈和用户应用程序的完整功能。

应用

  • 智能仪表
  • 供应链和物流
  • 楼宇自动化
  • 农业传感器
  • 智慧城市
  • 零售店传感器
  • 资产追踪
  • 路灯
  • 停车传感器
  • 环境传感器
  • 医疗健康
  • 安全与安保传感器
  • 远程控制器应用

eval board
MAX32670-LR-ARDZ

基于 MAX32670 超低功耗 Arm Cortex-M4 微控制器和 LR1110 射频收发器的长距离无线电开发平台

特性和优点

  • 单片机:
    • Arm Cortex-M4 内核,配备 FPU,频率高达 100 MHz
    • 具有纠错功能的 384 kB 闪存
    • 160 kB SRAM(启用 ECC 时为 128 kB),可选择在最低功耗模式下保留
    • 兼容 RTC 分辨率,用于协议超时管理
  • 安全性:
    • 可用的安全启动
    • 支持加密算法,包括 AES-128/192/256
  • 电源
    • 带有集成电源开关的超低功耗实时时钟
      • 休眠模式下功耗为 300 nA
  • 用于地理定位目的的多功能无线电前端
    • 全球导航卫星系统(GNSS)(GPS/北斗)低功耗扫描
    • 802.11b/g/n Wi-Fi 超低功耗被动扫描
  • 长距离无线电
    • 支持 FSK、GFSK、MSK、GMSK 和长距离 FHSS 调制
    • 输出功率:+15 dBm 发射峰值功率
    • 可编程比特率高达 62.5 kbps 和 300 kbps
    • 支持 800 MHz 至 960 MHz 的 sub-GHz ISM 频段
      • 高灵敏度:低至 -148 dBm

产品详情

MAX32670-LR-ARDZ 基板采用基于 Arm Cortex-M4 处理器的 MAX32670 高可靠性、超低功耗微控制器和 LR1110 长距离 RF 收发器模块。集成的 R​​F 收发器支持 800 MHz 至 960 MHz 的频率范围,使其适用于以无线方式远距离传输加密数据的高性能灵活平台;使用 ADI 传感解决方案实现广泛的物联网应用。

该解决方案还利用 Semtech 的 Long Range Cloud™ 地理定位功能,通过在基于云的解算器中确定资产位置来显著降低功耗。由于耗电量低,该模块非常适合使用小型电池运行的设备。板载 MAX32670 Arm Cortex®-M4 32 位微控制器为平台提供了运行整个 RF 协议栈和用户应用程序的完整功能。

应用

  • 资产位置
  • 资产追回
  • 资产可追溯性
  • 库存管理
  • 预防资产丢失和盗窃

eval board
AD-MAX32LRWISE-SL

Long Range Wireless Radio Development Kit Based on MAX32670 Ultralow Power Arm Cortex-M4 Microcontroller and LR1110 RF Transceiver

特性和优点

  • Provides the user with a platform to evaluate the features and performance of the evaluation kit​
  • Allows the user to prototype and test their IoT applications before moving on to full-scale development​
  • Provides tools for analyzing the power consumption of the device, helping the user to optimize their applications for energy efficiency​
  • Includes development tools, libraries, and documentation to assist user in writing and debugging their code​
  • Helps the user analyze and study the different modulation schemes, data rates, and other parameters relevant to IoT communication​
  • Comes with user-friendly interfaces, documentation, and software tools that simplify the integration process which can save developers time and effort when incorporating the LR1110 into their IoT devices​

产品详情

The AD-MAX32LRWISE-SL development kit is a tool intended for designing solutions based on low-power, long range proprietary radio communication technique. This platform features the LR1110, an RF transceiver based on spread spectrum modulation techniques derived from chirp spread spectrum (CSS) technology, and supports a frequency range from 800 MHz to 960 MHz. This solution is also based on the MAX32670 ultralow power microcontroller based on ARM Cortex-M4 processor.​

The platform comes in an Arduino Uno form factor, with two PMOD connectors, and an ESP32 Dev Kit connector for easy-to-connect sensors and signal conditioning add-on modules. Complete with working software and hardware, as well as software examples, this kit makes it easier for customers to prototype and create connected systems and solutions for IoT applications.​

The base platform is accompanied with various Analog Devices add-on hardware but is also compatible with 3rd party hardware. A free programming and debugging tool called Maxim SDK is also provided by Analog Devices.​

The AD-MAX32LRWISE-SL development kit is complete with 1 base board, 1 sensor node, gateway setup essentials, and other accessories. However, customers also have the option to avail of the components individually as intended for their application development.​

  • Base Board:
    • MAX32670-LR-ARDZ Base board (can be purchased separately)​
  • Component Sensor Node:
    • EV-CATTLETAG-ARDZ Smart Livestock Tracking and Health Monitoring Sensor (can be purchased separately)​
  • Gateway Essentials and Other Accessories (can be purchased separately)​
    • RAK5146 PiHAT Kit
    • Raspberry Pi 4 Model B
    • MAX32625PICO rapid development Board
    • RPi4 Power Supply
    • MicroSD Card
    • LAN Cable

    APPLICATIONS

    • Battery-Powered Medical Devices
    • Industrial Sensors
    • Optical Communication Modules
    • Secure Radio Modem Controller
    • Smart Sensor Controller
    • System Housekeeping Controller

eval board
AD-MAX32SXWISE-SL

Long Range Wireless Radio Development Kit Based on MAX32670 Ultralow Power Arm Cortex-M4 Microcontroller and SX1261 RF Transceiver

特性和优点

  • Provides the user with a platform to evaluate the features and performance of the evaluation kit​
  • Allows the user to prototype and test their IoT applications before moving on to full-scale development​
  • Provides tools for analyzing the power consumption of the device, helping the user to optimize their applications for energy efficiency​
  • Includes development tools, libraries, and documentation to assist user in writing and debugging their code​​
  • Helps the user analyze and study the different modulation schemes, data rates, and other parameters relevant to IoT communication​
  • Comes with user-friendly interfaces, documentation, and software tools that simplify the integration process which can save developers time and effort when incorporating the SX1261 into their IoT devices​

产品详情

The AD-MAX32SXWISE-SL development kit is a tool intended for designing solutions based on low-power, long range proprietary radio communication technique. This platform features the SX1261, an RF transceiver based on spread spectrum modulation techniques derived from chirp spread spectrum (CSS) technology, and supports a frequency range from 800 MHz to 960 MHz. This solution is also based on the MAX32670 ultralow power microcontroller based on Arm Cortex-M4 processor.

The platform comes in an Arduino Uno form factor, with two PMOD connectors, and an ESP32 Dev Kit connector for easy-to-connect sensors and signal conditioning add-on modules. Complete with working software and hardware, as well as software examples, this kit makes it easier for customers to prototype and create connected systems and solutions for IoT applications. The base platform is accompanied with various Analog Devices add-on hardware but is also compatible with 3rd party hardware. A free programming and debugging tool called MaximSDK is also provided by Analog Devices.

The AD-MAX32SXWISE-SL development kit is complete with 1 base board, 3 sensor nodes, gateway setup essentials, and other accessories. However, customers also have the option to avail of the components individually as intended for their application development.

Base Board:

  • MAX32670-SX-ARDZ Base board (can be purchased separately)

Component Sensor Nodes:

  • EV-STRUCTURAL-ARDZ Sensor for Structural Monitoring (can be purchased separately)
  • EV-FLOWMETER-ARDZ Sensor for Flow Rate Metering (can be purchased separately)
  • EV-ADE9000-SHIELDZ Sensor for Electric Metering (can be purchased separately)

Gateway Essentials and Other Accessories (can be purchased separately)

  • RAK5146 PiHAT Kit
  • Raspberry Pi 4 Model B
  • MAX32625PICO Rapid Development Board
  • RPi4 Power Supply Adapter
  • MicroSD Card
  • LAN Cable

Applications:

  • Battery-Powered Medical Devices
  • Industrial Sensors
  • Optical Communication Modules
  • Secure Radio Modem Controller
  • Smart Sensor Controller

MAX31334SHLD
MAX31334评估套件
MAX31334SHLD: Board Photo
MAX32670-SX-ARDZ
基于 MAX32670 超低功耗 Arm Cortex-M4 微控制器和 SX1261 射频收发器的长距离无线电开发平台
MAX32670-SX-ARDZ Board Photo Angle View MAX32670-SX-ARDZ Board Photo Top View MAX32670-SX-ARDZ Board Photo Bottom View MAX32670-SX-ARDZ Block-Diagram
MAX32670-LR-ARDZ
基于 MAX32670 超低功耗 Arm Cortex-M4 微控制器和 LR1110 射频收发器的长距离无线电开发平台
MAX32670-LR-ARDZ Board Photo Angle View MAX32670-LR-ARDZ Board Photo Top View MAX32670-LR-ARDZ Board Photo Bottom View MAX32670-LR-ARDZ Block Diagram
AD-MAX32LRWISE-SL
Long Range Wireless Radio Development Kit Based on MAX32670 Ultralow Power Arm Cortex-M4 Microcontroller and LR1110 RF Transceiver
AD-MAX32LRWISE-SL Block Diagram AD-MAX32LRWISE-SL
AD-MAX32SXWISE-SL
Long Range Wireless Radio Development Kit Based on MAX32670 Ultralow Power Arm Cortex-M4 Microcontroller and SX1261 RF Transceiver
AD-MAX32SXWISE-SL AD-MAX32SXWISE-SL Block Diagram

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