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LTC692CS8

产品分类: 电源监控芯片
厂牌: ANALOG DEVICES
产品描述: 是 1 4.5V 5.5V 否 是 SOP 贴片安装
供应商型号:
供应商:
标准整包数: 0
ANALOG DEVICES 电源监控芯片 LTC692CS8

LTC692CS8概述

    Electronic Component Product Technical Manual: LTC692/LTC693 Microprocessor Supervisory Circuits
    1. Product Introduction
    The LTC692/LTC693 series from Linear Technology is a family of microprocessor supervisory circuits designed to offer comprehensive monitoring and control capabilities for embedded systems, particularly in environments where reliable microprocessor (μP) reset, battery backup, and power fail warning are critical. These devices cater to a wide range of applications including automotive systems, intelligent instruments, and battery-powered computers.
    Primary functions include:
    - μP Power Monitoring: Ensures proper operation of microprocessors by monitoring power supply voltages.
    - RAM Write Protection: Protects data integrity by write-protecting external memory during power failures.
    - Watchdog Timing: Automatically triggers system resets if a watchdog input is not toggled within a specified interval.
    - Battery Backup Support: Provides seamless switching to auxiliary power sources in the event of main power loss.
    2. Technical Parameters
    Below are key technical specifications extracted from the product datasheet:
    | Parameter | Min | Typ | Max | Units |

    | Supply Voltage (VCC) | 4.50 | 5.50 | — | V |
    | Voltage Output (VOUT) | VCC – 0.1 | VCC – 0.05 | — | V |
    | Supply Current | 0.6 | 1.5 | — | mA |
    | Standby Current | 0.04 | 0.04 | 5 | μA |
    | Reset Voltage Threshold | 4.25 | 4.40 | 4.50 | V |
    | Watchdog Timeout Period | 70 | 140 | 200 | ms |
    | Maximum Temperature Range | -40°C | 85°C | — | °C |
    The components support advanced features such as thermal limiting, adjustable reset delay, and guaranteed reset assertion even at VCC levels as low as 1V.
    3. Product Features and Advantages
    The LTC692/LTC693 offer several standout advantages over similar products like the MAX690 family:
    - Low Dropout Voltage Regulator: Ensures minimal voltage drop while maintaining high efficiency.
    - Low Standby Current: Minimizes power consumption during idle states.
    - Integrated Watchdog Timer: Prevents system crashes due to unresponsive processes.
    - Enhanced Reliability: Includes thermal limiting and performance specification over a wide temperature range (-40°C to 85°C).
    - High Integration: Combines multiple functions into a single chip, reducing board space and design complexity.
    4. Application Cases and Usage Recommendations
    The LTC692/LTC693 find use across a variety of applications:
    - Automotive Systems: Monitor vehicle electronics and ensure safety-critical operations.
    - Embedded Computing: Provide robust power management solutions for portable devices.
    - Battery-Powered Devices: Offer continuous data integrity via battery-backed RAM.
    Recommendations:
    - Always use a bypass capacitor of at least 0.1μF at the VCC pin to minimize noise effects.
    - Test for optimal settings during initial integration, especially the watchdog timeout duration, to match application needs.
    - Ensure that the power-on reset pulse duration matches your system's initialization requirements.
    5. Compatibility and Support
    The LTC692/LTC693 are compatible with a variety of external components and systems requiring μP reset and power management. Linear Technology provides detailed documentation and support, including sample schematics and application notes. Additionally, they support multiple package options (SO8 and SO16), enhancing flexibility for designers.
    6. Common Issues and Solutions
    Here are some common user issues along with recommended fixes:
    - Problem: RESET output does not toggle correctly during power-down.
    - Solution: Verify correct wiring of VCC and VBATT, and ensure external pull-up resistors

LTC692CS8参数

参数
应用场景 -
人工复位
最小工作供电电压 4.5V
重置延迟时间 -
监控数量 1
工作电源电流 -
最大工作供电电压 5.5V
看门狗计时器
复位 -
输出类型 -
电池备用开关
5mm(Max)
3.99mm(Max)
1.5mm(Max)
通用封装 SOP
安装方式 贴片安装
应用等级 商用级

LTC692CS8厂商介绍

Analog Devices(简称ADI)是一家全球领先的半导体公司,专注于模拟、混合信号和数字信号处理(DSP)集成电路(IC)的设计、制造和营销。公司成立于1965年,总部位于美国马萨诸塞州的诺伍德。

ADI的主营产品主要分为以下几类:
1. 数据转换器:包括模数转换器(ADC)和数模转换器(DAC),广泛应用于通信、工业、医疗等领域。
2. 放大器和比较器:提供各种高性能放大器和比较器产品,用于信号放大、滤波和比较等。
3. 射频(RF)和微波产品:包括射频收发器、混频器、放大器等,应用于无线通信、**等领域。
4. 电源管理:提供电源转换、电源管理等解决方案,满足各种电源需求。
5. 接口和通信:包括以太网、串行通信等接口产品,用于数据传输和通信。
6. 处理器和DSP:提供高性能处理器和数字信号处理器,用于复杂信号处理和控制。

ADI的优势在于其在模拟和混合信号领域的深厚技术积累,以及对客户需求的深刻理解。公司不断推出创新产品,满足客户在各种应用场景下的需求,如5G通信、自动驾驶、工业自动化等。此外,ADI还提供全面的技术支持和定制化服务,帮助客户实现产品快速上市。

LTC692CS8数据手册

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ANALOG DEVICES 电源监控芯片 ANALOG DEVICES LTC692CS8 LTC692CS8数据手册

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