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TNY274PNAU

TNY274PNAU - English Editing Encyclopedia Entry

Product Overview

Category

TNY274PNAU belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used for power management applications.

Characteristics

  • TNY274PNAU is a highly efficient and compact power management solution.
  • It offers excellent performance in terms of power conversion and control.
  • The IC is designed to provide reliable and stable power supply in various electronic devices.

Package

TNY274PNAU comes in a small outline package (SOP) with a specific pin configuration.

Essence

The essence of TNY274PNAU lies in its ability to efficiently manage power conversion, ensuring optimal performance and reliability in electronic devices.

Packaging/Quantity

This IC is typically packaged in reels or tubes, containing a specified quantity per package.

Specifications

  • Input Voltage Range: 85V to 265V AC
  • Output Power: Up to 10W
  • Switching Frequency: 132 kHz
  • Operating Temperature Range: -40°C to +150°C
  • Efficiency: Up to 88%
  • Protection Features: Overload, overvoltage, and thermal shutdown protection

Detailed Pin Configuration

  1. VDD: Power supply input
  2. BP/M: Bypass/Multifunction pin
  3. FB: Feedback pin
  4. DRAIN: High-voltage power MOSFET drain connection
  5. SOURCE: High-voltage power MOSFET source connection
  6. GND: Ground reference
  7. SENSE: Current sense input
  8. SYNC: Synchronization input

Functional Features

  • Integrated high-voltage power MOSFET
  • Auto-restart protection feature
  • Frequency jittering for reduced EMI emissions
  • Built-in soft-start for controlled startup
  • Cycle-by-cycle current limit
  • Accurate output voltage regulation

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption.
  • Compact size allows for space-saving designs.
  • Wide input voltage range enables versatile applications.
  • Comprehensive protection features enhance device reliability.

Disadvantages

  • Limited output power capability (up to 10W).
  • Relatively high operating temperature range may require additional cooling measures in certain applications.

Working Principles

TNY274PNAU operates on the principle of pulse width modulation (PWM) control. It regulates the power conversion process by adjusting the duty cycle of the switching signal. This control mechanism ensures efficient power transfer from the input to the output, while maintaining stable voltage levels.

Detailed Application Field Plans

TNY274PNAU finds extensive application in various electronic devices, including but not limited to: - Power adapters - LED lighting systems - Home appliances - Industrial equipment - Consumer electronics

Detailed and Complete Alternative Models

  1. TNY274PN: Similar specifications and pin configuration, but without the "A" suffix denoting specific package type.
  2. TNY275PNAU: Higher output power capability (up to 15W) with similar characteristics and pin configuration.
  3. TNY276PNAU: Lower output power capability (up to 5W) with similar characteristics and pin configuration.

These alternative models provide flexibility in choosing the appropriate IC based on specific power management requirements.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von TNY274PNAU in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of TNY274PNAU in technical solutions:

  1. Q: What is TNY274PNAU? A: TNY274PNAU is a highly integrated offline switcher IC (integrated circuit) designed for low-power applications.

  2. Q: What are the key features of TNY274PNAU? A: The key features of TNY274PNAU include high efficiency, low standby power consumption, built-in safety features, and a compact form factor.

  3. Q: What are the typical applications of TNY274PNAU? A: TNY274PNAU is commonly used in various low-power applications such as USB chargers, LED lighting, home appliances, and IoT devices.

  4. Q: How does TNY274PNAU achieve high efficiency? A: TNY274PNAU incorporates advanced control techniques like frequency jittering and burst mode operation to optimize power conversion efficiency.

  5. Q: Can TNY274PNAU handle different input voltages? A: Yes, TNY274PNAU has a wide input voltage range, typically from 85VAC to 265VAC, making it suitable for global applications.

  6. Q: Does TNY274PNAU provide protection against overvoltage and overcurrent? A: Yes, TNY274PNAU includes built-in protection features such as overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown.

  7. Q: Is TNY274PNAU compatible with dimming functionality for LED lighting applications? A: No, TNY274PNAU does not support dimming functionality. It is primarily designed for non-dimmable LED lighting solutions.

  8. Q: What is the maximum output power that TNY274PNAU can handle? A: The maximum output power of TNY274PNAU depends on various factors, but it is typically around 10-15 watts.

  9. Q: Can TNY274PNAU operate in a wide temperature range? A: Yes, TNY274PNAU has a wide operating temperature range, usually from -40°C to +125°C, ensuring reliable performance in different environments.

  10. Q: Are there any reference designs or application notes available for TNY274PNAU? A: Yes, the manufacturer of TNY274PNAU provides reference designs and application notes that can help engineers in implementing the IC effectively in their designs.

Please note that the answers provided here are general and may vary depending on specific design requirements and application scenarios.