Littelfuse Inc.
图片可能具有代表性。
产品详情请参阅规格.
SP725AATG
查看详情 数据表

SP725AATG

Product Overview

Category: Integrated Circuit
Use: Voltage Supervisor
Characteristics: Low power consumption, high accuracy
Package: SOT-23-5
Essence: Monitors system voltage
Packaging/Quantity: Tape & Reel, 3000 units

Specifications

  • Input Voltage Range: 1.6V to 6.0V
  • Accuracy: ±1.5%
  • Quiescent Current: 1.5µA
  • Reset Threshold Options: 4 options available
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. GND
  2. RESET
  3. MR
  4. VDD
  5. VOUT

Functional Features

  • Monitors system voltage and provides a reset signal when the voltage drops below a preset threshold
  • Low power consumption makes it suitable for battery-powered applications
  • Wide input voltage range allows for versatile use in different systems

Advantages

  • High accuracy ensures reliable voltage monitoring
  • Low quiescent current minimizes power consumption
  • Small package size enables space-efficient designs

Disadvantages

  • Limited to monitoring single voltage rail
  • Fixed reset threshold options may not suit all applications

Working Principles

The SP725AATG operates by comparing the monitored voltage with a preset threshold. When the voltage falls below this threshold, the device asserts a reset signal, which can be used to initiate system recovery or shutdown procedures.

Detailed Application Field Plans

  • Battery-powered devices such as portable electronics and IoT sensors
  • Embedded systems requiring reliable voltage monitoring and reset functionality
  • Industrial control systems where maintaining system integrity is critical

Detailed and Complete Alternative Models

  1. MAX809

    • Similar voltage supervisor IC with adjustable reset threshold
    • Available in SOT-23 package
    • Offers more flexibility in setting the reset threshold

  2. ADM811

    • Low-power voltage monitor with fixed reset threshold
    • SOT-23 package
    • Suitable for applications with specific voltage monitoring requirements

  3. TPS3808

    • Precision voltage supervisor with manual reset input
    • SOT-23 package
    • Provides additional control over the reset function

In conclusion, the SP725AATG is a reliable voltage supervisor IC with low power consumption and high accuracy, making it suitable for various battery-powered and embedded applications. While it has certain limitations, alternative models are available to address specific application needs.

[Word Count: 333]

10个与SP725AATG在技术解决方案中的应用相关的常见问题及解答

  1. What is SP725AATG?

    • SP725AATG is a low-capacitance TVS (transient voltage suppressor) diode array designed to protect sensitive electronics from voltage transients induced by lightning, ESD (electrostatic discharge), and other transient voltage events.

  2. What are the key features of SP725AATG?

    • The key features of SP725AATG include low capacitance, high surge capability, low clamping voltage, and compatibility with various communication interfaces such as USB, Ethernet, and HDMI.

  3. What applications can SP725AATG be used in?

    • SP725AATG is commonly used in applications such as industrial automation, telecommunications equipment, automotive electronics, and consumer electronics where protection against voltage transients is critical.

  4. How does SP725AATG provide protection against voltage transients?

    • SP725AATG diverts excessive voltage transients away from sensitive components by providing a low-impedance path to ground, thereby limiting the voltage across the protected circuit.

  5. What is the maximum surge capability of SP725AATG?

    • SP725AATG has a high surge capability, typically able to withstand surge currents up to 30A (8/20μs waveform).

  6. Is SP725AATG RoHS compliant?

    • Yes, SP725AATG is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  7. What is the operating voltage range of SP725AATG?

    • SP725AATG has an operating voltage range of 5V to 24V, making it suitable for a wide range of electronic systems.

  8. Can SP725AATG be used in high-speed data lines?

    • Yes, SP725AATG's low capacitance makes it suitable for use in high-speed data lines, ensuring minimal signal distortion.

  9. Does SP725AATG require external components for proper operation?

    • No, SP725AATG is a standalone device and does not require external components for proper operation, simplifying its integration into existing designs.

  10. Where can I find detailed technical specifications and application notes for SP725AATG?

    • Detailed technical specifications and application notes for SP725AATG can be found on the manufacturer's website or in the product datasheet.