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STM6718SFWY6F

STM6718SFWY6F

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, low power consumption
  • Package: Surface Mount Technology (SMT)
  • Essence: Voltage Supervisor with Watchdog Timer
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.5V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Watchdog Timeout Period: Adjustable from 6.4ms to 51.2s
  • Reset Threshold Voltage Options: 2.63V, 3.08V, 4.38V, or adjustable
  • Power-On Reset Delay: Fixed 100ms delay
  • Quiescent Current: 1.5µA typical
  • Output Type: Active-Low Push-Pull or Open-Drain

Detailed Pin Configuration

The STM6718SFWY6F IC has the following pin configuration:

  1. VDD: Supply voltage input
  2. GND: Ground reference
  3. MR: Manual reset input
  4. WDI: Watchdog timer input
  5. RESET: Active-low reset output

Functional Features

  • Monitors supply voltage and asserts reset when it falls below the specified threshold.
  • Provides a watchdog timer to detect system malfunctions and initiate a reset if necessary.
  • Offers an adjustable watchdog timeout period to suit different application requirements.
  • Allows manual reset through the MR pin for system debugging or recovery.
  • Provides an active-low reset output to reset other devices in the system.

Advantages and Disadvantages

Advantages: - High efficiency power management solution. - Low power consumption extends battery life. - Flexible reset threshold voltage options. - Adjustable watchdog timeout period for customization. - Small form factor and surface mount package for space-saving designs.

Disadvantages: - Limited to a maximum supply voltage of 5.5V. - Fixed power-on reset delay may not suit all applications. - Requires external components for proper operation.

Working Principles

The STM6718SFWY6F is a voltage supervisor IC that continuously monitors the supply voltage. When the voltage falls below the specified threshold, it asserts the reset output, initiating a system reset. Additionally, it incorporates a watchdog timer that requires periodic input pulses (WDI) to prevent system lock-up. If the watchdog timer does not receive the expected pulses within the set timeout period, it triggers a reset as well.

Detailed Application Field Plans

The STM6718SFWY6F is widely used in various applications where reliable power management and system monitoring are crucial. Some potential application fields include:

  1. Battery-powered devices: Portable electronics, IoT sensors, wearable devices.
  2. Industrial control systems: PLCs, motor control units, robotics.
  3. Automotive electronics: Engine control units, infotainment systems, advanced driver-assistance systems (ADAS).
  4. Medical equipment: Patient monitoring devices, diagnostic instruments, implantable devices.
  5. Home automation: Smart thermostats, security systems, lighting control.

Detailed and Complete Alternative Models

  1. STM6717SFWY6F: Similar to STM6718SFWY6F but with fixed reset threshold voltage options.
  2. MAX6718SFWY6F: Voltage supervisor IC from Maxim Integrated with comparable features.
  3. MIC6718SFWY6F: Voltage supervisor IC from Microchip Technology offering similar functionality.

These alternative models provide similar voltage supervision and watchdog timer capabilities, allowing designers to choose the most suitable option for their specific application requirements.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von STM6718SFWY6F in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of STM6718SFWY6F in technical solutions:

  1. Q: What is STM6718SFWY6F? A: STM6718SFWY6F is a specific model or part number of a component used in technical solutions, typically in electronic circuits.

  2. Q: What is the purpose of STM6718SFWY6F? A: The purpose of STM6718SFWY6F can vary depending on the specific application, but it is commonly used for power management, voltage regulation, or control functions.

  3. Q: What are the key features of STM6718SFWY6F? A: Some key features of STM6718SFWY6F may include high efficiency, low power consumption, wide input voltage range, overvoltage/undervoltage protection, and thermal shutdown.

  4. Q: How does STM6718SFWY6F work? A: STM6718SFWY6F works by receiving an input voltage, regulating it to a desired output voltage, and providing necessary control functions to ensure stable and reliable operation.

  5. Q: What are the typical applications of STM6718SFWY6F? A: STM6718SFWY6F can be used in various technical solutions such as power supplies, battery chargers, motor control systems, LED lighting, and portable devices.

  6. Q: What is the maximum input voltage supported by STM6718SFWY6F? A: The maximum input voltage supported by STM6718SFWY6F is typically specified in the datasheet and can vary, but it is commonly around 36V.

  7. Q: Does STM6718SFWY6F have built-in protection features? A: Yes, STM6718SFWY6F often includes built-in protection features such as overvoltage protection, undervoltage lockout, and thermal shutdown to ensure safe operation.

  8. Q: Can STM6718SFWY6F be used in automotive applications? A: Yes, STM6718SFWY6F is often designed to meet automotive-grade requirements and can be used in automotive applications where appropriate.

  9. Q: Is STM6718SFWY6F available in different package options? A: Yes, STM6718SFWY6F may be available in various package options such as surface mount packages (e.g., SOIC, DFN) or through-hole packages (e.g., TO-220).

  10. Q: Where can I find more information about STM6718SFWY6F? A: You can find more detailed information about STM6718SFWY6F in the datasheet provided by the manufacturer or on their official website.