TPS92561DGNR

Product Overview

Category

The TPS92561DGNR belongs to the category of integrated circuits (ICs) specifically designed for lighting applications.

Use

This IC is commonly used in LED lighting systems to provide efficient and precise control over the LED current, ensuring optimal performance and energy efficiency.

Characteristics

• High efficiency: The TPS92561DGNR offers high power conversion efficiency, minimizing energy losses during operation.
• Precise current regulation: It provides accurate current regulation for LEDs, allowing for consistent brightness levels.
• Dimming capabilities: This IC supports various dimming techniques, such as pulse width modulation (PWM), enabling flexible control over the LED brightness.
• Thermal protection: It incorporates thermal shutdown and over-temperature protection features to prevent damage due to excessive heat.
• Wide input voltage range: The TPS92561DGNR can operate with a wide input voltage range, making it suitable for different lighting applications.

Package

The TPS92561DGNR is available in a small form factor package, known as an 8-pin MSOP (Mini Small Outline Package). This package offers compactness and ease of integration into lighting system designs.

Essence

The essence of the TPS92561DGNR lies in its ability to efficiently drive and control LED lighting systems, providing precise current regulation and dimming capabilities.

Packaging/Quantity

The TPS92561DGNR is typically sold in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 4.5V to 65V
• Output Current Range: Up to 1A
• Dimming Control: PWM, Analog
• Operating Temperature Range: -40°C to 125°C
• Efficiency: Up to 95%
• Package Type: 8-pin MSOP

Detailed Pin Configuration

The TPS92561DGNR features the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. DIM: Dimming control pin
4. EN: Enable pin
5. FB: Feedback pin
6. VCC: Supply voltage pin
7. SW: Switching node pin
8. LX: Inductor connection pin

Functional Features

• LED current regulation: The TPS92561DGNR ensures precise and stable current regulation for LEDs, maintaining consistent brightness levels.
• Dimming control: It supports various dimming techniques, allowing for flexible adjustment of LED brightness according to specific requirements.
• Thermal protection: The IC incorporates thermal shutdown and over-temperature protection features, safeguarding against excessive heat and potential damage.
• Wide input voltage range: The TPS92561DGNR can operate with a wide range of input voltages, making it suitable for diverse lighting applications.
• High efficiency: With its high power conversion efficiency, this IC minimizes energy losses, contributing to overall energy savings.

Advantages and Disadvantages

Advantages

• Precise current regulation ensures consistent LED brightness.
• Supports various dimming techniques for flexible control.
• Thermal protection prevents damage due to excessive heat.
• Wide input voltage range allows for versatile application.
• High efficiency reduces energy consumption.

Disadvantages

• Limited output current range may not be suitable for high-power LED applications.
• Requires external components for operation, increasing system complexity.

Working Principles

The TPS92561DGNR operates as a constant current LED driver. It regulates the LED current by adjusting the duty cycle of the internal switching regulator. The feedback pin (FB) monitors the LED current and provides feedback to the IC, which adjusts the switching frequency accordingly. This control mechanism ensures precise and stable current regulation, resulting in consistent LED brightness.

Detailed Application Field Plans

The TPS92561DGNR is widely used in various lighting applications, including:

1. Residential lighting: It can be employed in LED bulbs, downlights, and track lighting for energy-efficient illumination in homes.
2. Commercial lighting: The IC finds application in office lighting, retail displays, and hospitality environments, providing efficient and adjustable lighting solutions.
3. Automotive lighting: It can be utilized in automotive headlights, taillights, and interior lighting systems to enhance visibility and energy efficiency.
4. Outdoor lighting: The TPS92561DGNR is suitable for street lighting, landscape lighting, and architectural lighting, offering reliable and energy-saving solutions.

Detailed and Complete Alternative Models

• TPS92560DGNR
• TPS92562DGNR
• TPS92563DGNR
• TPS92564DGNR

These alternative models offer similar functionality and characteristics to the TPS92561DGNR, providing flexibility in choosing the most suitable IC for specific lighting system requirements.

In conclusion,