Power Integrations
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TNY255G
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TNY255G

Product Overview

Category

The TNY255G belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

It is primarily used for providing energy-efficient power conversion in various electronic devices and systems.

Characteristics

  • Energy-efficient power conversion
  • Compact design
  • Low standby power consumption
  • Wide input voltage range

Package

The TNY255G comes in a small outline package (SOP) with a specified pin configuration.

Essence

The essence of TNY255G lies in its ability to provide efficient power management solutions for a wide range of applications.

Packaging/Quantity

The TNY255G is typically packaged in reels and is available in varying quantities based on customer requirements.

Specifications

  • Input Voltage Range: 85 VAC to 265 VAC
  • Output Power: Up to 10 W
  • Operating Temperature Range: -40°C to 125°C
  • Standby Power Consumption: Less than 30 mW

Detailed Pin Configuration

The TNY255G features a detailed pin configuration as follows: 1. Pin 1: AC Input 2. Pin 2: Ground 3. Pin 3: Drain 4. Pin 4: Feedback 5. Pin 5: Output 6. Pin 6: Sense 7. Pin 7: Control 8. Pin 8: VCC

Functional Features

  • Integrated high-voltage power MOSFET
  • Auto-restart operation
  • Frequency jittering for reduced EMI
  • Built-in output overvoltage protection
  • Accurate hysteretic thermal shutdown

Advantages and Disadvantages

Advantages

  • High efficiency
  • Simplified circuit design
  • Enhanced safety features
  • Wide input voltage range

Disadvantages

  • Limited output power compared to some alternative models
  • Higher cost compared to non-integrated solutions

Working Principles

The TNY255G operates on the principles of primary-side regulation, where it integrates the control and power components onto a single chip. This allows for simplified designs and improved efficiency in power conversion.

Detailed Application Field Plans

The TNY255G is well-suited for various applications including: - LED lighting - Home appliances - Industrial power supplies - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to TNY255G include: - TNY254G - TNY256G - TNY257G

In summary, the TNY255G is a versatile power management IC that offers energy-efficient solutions for a wide range of applications, despite its limitations in output power and cost compared to some alternative models.

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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng TNY255G trong giải pháp kỹ thuật

  1. What is TNY255G?

    • TNY255G is a highly integrated off-line switcher IC designed for low power AC-DC power supplies.

  2. What are the key features of TNY255G?

    • The key features of TNY255G include integrated 700V MOSFET, frequency jittering for low EMI, and auto-restart for short circuit protection.

  3. What are the typical applications of TNY255G?

    • TNY255G is commonly used in applications such as USB chargers, auxiliary power supplies, and home appliances.

  4. What is the maximum output power supported by TNY255G?

    • TNY255G supports a maximum output power of around 15W in typical applications.

  5. How does TNY255G help in reducing standby power consumption?

    • TNY255G incorporates advanced energy-efficient design techniques to minimize standby power consumption, making it ideal for energy-saving applications.

  6. What are the recommended input and output voltage ranges for TNY255G?

    • The recommended input voltage range is typically 85VAC to 265VAC, and the output voltage can be tailored based on specific application requirements.

  7. Does TNY255G have built-in overvoltage protection?

    • Yes, TNY255G includes built-in overvoltage protection to safeguard the system during fault conditions.

  8. Can TNY255G operate in continuous conduction mode (CCM) or discontinuous conduction mode (DCM)?

    • TNY255G is designed to operate in both CCM and DCM, providing flexibility in various load conditions.

  9. What are the thermal considerations for using TNY255G in a design?

    • Proper PCB layout and thermal management are essential for optimizing the thermal performance of TNY255G in a given application.

  10. Are there any reference designs available for TNY255G?

    • Yes, several reference designs and application notes are available from the manufacturer to assist in implementing TNY255G in technical solutions.