TNY266G - English Editing Encyclopedia Entry

Product Overview

Category

TNY266G belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for power management applications.

Characteristics

• TNY266G is a highly efficient and compact IC designed for low-power offline switch mode power supplies.
• It offers excellent performance in terms of energy efficiency and reliability.
• The IC incorporates various features that enhance its functionality and ease of use.

Package

TNY266G is available in a small outline package (SOP) with a specific pin configuration.

Essence

The essence of TNY266G lies in its ability to efficiently regulate and control power in low-power applications, ensuring optimal performance and energy savings.

Packaging/Quantity

TNY266G is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Input Voltage Range: 85V AC to 265V AC
• Output Power: Up to 10W
• Operating Temperature Range: -40°C to +150°C
• Efficiency: Greater than 80%
• Frequency Range: 132 kHz to 150 kHz
• Standby Power Consumption: Less than 30 mW

Detailed Pin Configuration

TNY266G features the following pin configuration:

1. VDD: Power supply input
2. BP/M: Brown-in protection and frequency modulation input
3. FB: Feedback input for output voltage regulation
4. GND: Ground reference
5. DRAIN: High-voltage power switch output
6. SOURCE: Return path for high-voltage power switch
7. SENSE: Current sense input for primary-side control
8. CONTROL: Control circuitry input for primary-side control

Functional Features

• Primary-side control: TNY266G utilizes primary-side regulation, eliminating the need for an optocoupler and secondary-side feedback circuitry.
• Auto-restart protection: The IC incorporates auto-restart functionality to protect against fault conditions such as output short-circuit or open-loop situations.
• Frequency modulation: TNY266G employs frequency modulation to minimize electromagnetic interference (EMI) and improve system reliability.
• Built-in safety features: The IC includes various safety features like over-temperature protection, over-voltage protection, and over-current protection.

Advantages and Disadvantages

Advantages

• High energy efficiency, leading to reduced power consumption and lower operating costs.
• Compact size and simplified design, enabling space-saving and cost-effective solutions.
• Wide input voltage range, making it suitable for a variety of applications.
• Integrated safety features ensure reliable operation and protection against faults.

Disadvantages

• Limited output power capability compared to higher-power ICs.
• Requires careful consideration of thermal management due to its small form factor.

Working Principles

TNY266G operates on the principle of primary-side control, where the control circuitry is integrated on the primary side of the power supply. This eliminates the need for a separate feedback circuit and optocoupler, simplifying the overall design. The IC regulates the output voltage by adjusting the duty cycle of the high-voltage power switch based on the feedback received from the FB pin.

Detailed Application Field Plans

TNY266G finds extensive application in various low-power offline switch mode power supplies. Some specific application areas include:

1. Consumer electronics: Power adapters, chargers, and small appliances.
2. LED lighting: Low-power LED drivers and lighting fixtures.
3. Industrial automation: Control systems, sensors, and actuators.
4. Telecommunications: Modems, routers, and network equipment.
5. Automotive electronics: On-board chargers, infotainment systems, and lighting control.

Detailed and Complete Alternative Models

1. TNY267G: Similar to TNY266G but with higher output power capability.
2. TNY268G: Enhanced version with additional features like frequency jittering for further EMI reduction.
3. TNY265G: Lower-power variant suitable for ultra-low-power applications.
4. TNY264G: Cost-effective alternative with slightly reduced performance specifications.

Please note that the above list is not exhaustive, and there may be other alternative models available in the market.

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