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IR21571STR
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IR21571STR

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High voltage level shifting - Low quiescent current - Wide input voltage range - Over-temperature protection - Under-voltage lockout

Package: SOP-8 (Small Outline Package)

Essence: The IR21571STR is a power management IC designed for high voltage level shifting applications. It provides efficient and reliable voltage level shifting capabilities while consuming low power.

Packaging/Quantity: The IR21571STR is typically packaged in reels containing 2500 units per reel.

Specifications

  • Input Voltage Range: 10V to 20V
  • Output Voltage Range: 5V to 15V
  • Quiescent Current: 2mA
  • Operating Temperature Range: -40°C to +125°C
  • Maximum Power Dissipation: 1.25W

Detailed Pin Configuration

The IR21571STR has a total of 8 pins arranged as follows:

  1. VCC: Power supply input
  2. IN: Input pin for the control signal
  3. GND: Ground reference
  4. OUT: Output pin for the shifted voltage signal
  5. NC: No connection
  6. NC: No connection
  7. NC: No connection
  8. VDD: Power supply input for the high-side driver

Functional Features

  • High voltage level shifting: The IR21571STR can shift the voltage level from a low voltage input signal to a higher voltage output signal.
  • Low quiescent current: The IC consumes minimal current when not actively switching.
  • Wide input voltage range: It supports a wide range of input voltages, allowing flexibility in various applications.
  • Over-temperature protection: The IC includes built-in protection against excessive temperature, ensuring safe operation.
  • Under-voltage lockout: It prevents the IC from operating when the input voltage falls below a certain threshold, protecting the circuit from potential damage.

Advantages and Disadvantages

Advantages: - Efficient voltage level shifting - Low power consumption - Wide input voltage range for versatility - Built-in protection features

Disadvantages: - Limited pin configuration options - Relatively high cost compared to alternative solutions

Working Principles

The IR21571STR utilizes a combination of internal circuitry and external components to achieve voltage level shifting. The control signal received at the IN pin is processed by the IC, which then drives the output pin (OUT) to produce the desired shifted voltage signal. The IC operates within specified voltage and temperature ranges to ensure reliable performance.

Detailed Application Field Plans

The IR21571STR finds applications in various fields, including:

  1. Industrial automation: Used in control systems that require voltage level shifting for interfacing different devices.
  2. Automotive electronics: Employed in automotive control modules to enable communication between low voltage sensors and high voltage actuators.
  3. Power supply units: Integrated into power management circuits to facilitate voltage conversion and regulation.

Detailed and Complete Alternative Models

  1. IR2155: A similar power management IC with additional features such as integrated high-side and low-side drivers.
  2. IR2153: Offers similar voltage level shifting capabilities but includes built-in protection against over-current and short-circuit conditions.
  3. IR2159: Designed for high-performance applications, providing enhanced voltage level shifting and advanced protection features.

These alternative models offer similar functionality to the IR21571STR while catering to specific requirements and preferences.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av IR21571STR i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of IR21571STR in technical solutions:

  1. Q: What is IR21571STR? A: IR21571STR is a specific model of integrated circuit (IC) designed for power management applications.

  2. Q: What are the key features of IR21571STR? A: Some key features of IR21571STR include high voltage capability, low quiescent current, overcurrent protection, and thermal shutdown.

  3. Q: What are the typical applications of IR21571STR? A: IR21571STR is commonly used in various technical solutions such as motor control, lighting systems, power supplies, and battery chargers.

  4. Q: How does IR21571STR help in motor control applications? A: IR21571STR provides efficient power management and protection features, making it suitable for controlling motors in applications like robotics, industrial automation, and electric vehicles.

  5. Q: Can IR21571STR be used in LED lighting systems? A: Yes, IR21571STR can be used in LED lighting systems as it offers precise current regulation and dimming capabilities, ensuring optimal performance and energy efficiency.

  6. Q: Does IR21571STR have built-in protection mechanisms? A: Yes, IR21571STR incorporates overcurrent protection and thermal shutdown features to safeguard the IC and the connected components from damage due to excessive current or temperature.

  7. Q: What is the maximum voltage that IR21571STR can handle? A: IR21571STR has a high voltage capability, typically up to several hundred volts, which makes it suitable for applications requiring higher voltage levels.

  8. Q: Is IR21571STR compatible with different types of power supplies? A: Yes, IR21571STR is compatible with a wide range of power supply topologies, including flyback, forward, and resonant converters.

  9. Q: Can IR21571STR be used in battery charging applications? A: Absolutely, IR21571STR can be employed in battery chargers as it provides efficient power management and protection features required for safe and reliable charging.

  10. Q: Are there any application notes or reference designs available for IR21571STR? A: Yes, the manufacturer of IR21571STR typically provides application notes, datasheets, and reference designs that offer guidance on using the IC effectively in various technical solutions.

Please note that the specific details and answers may vary depending on the manufacturer's documentation and the context of the application.