TPS92411DBVR

Product Overview

Category

The TPS92411DBVR belongs to the category of integrated circuits (ICs) specifically designed for lighting applications.

Use

This product is primarily used in LED lighting systems, providing efficient and reliable control over the LED driver circuitry.

Characteristics

• High efficiency: The TPS92411DBVR offers high power conversion efficiency, ensuring optimal energy utilization.
• Compact package: It comes in a small SOT-23 package, allowing for easy integration into various lighting fixtures.
• Dimming capabilities: This IC supports dimming functionality, enabling users to adjust the brightness of the LED lights.
• Thermal protection: The TPS92411DBVR incorporates thermal shutdown protection, preventing damage due to excessive heat.

Package and Quantity

The TPS92411DBVR is available in a SOT-23 package. It is typically sold in reels containing a specified quantity of units, such as 3000 pieces per reel.

Specifications

• Input voltage range: 4.5V to 65V
• Output current: Up to 1A
• Operating temperature range: -40°C to 125°C
• Dimming control: Analog or PWM input
• Efficiency: Up to 95%
• Thermal shutdown temperature: 150°C

Pin Configuration

The TPS92411DBVR features a 5-pin SOT-23 package with the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. DIM: Dimming control pin
4. VOUT: Output voltage pin
5. NC: No connection pin

Functional Features

• LED current regulation: The TPS92411DBVR ensures precise regulation of the LED current, maintaining consistent brightness levels.
• Overvoltage protection: It provides protection against voltage spikes, safeguarding the LED lighting system.
• Fault detection: This IC incorporates fault detection mechanisms, allowing for quick identification and troubleshooting of any issues.
• Low standby power consumption: The TPS92411DBVR minimizes power consumption during standby mode, enhancing energy efficiency.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and lower operating costs.
• Compact package enables easy integration into various lighting fixtures.
• Dimming capabilities allow for flexible control over brightness levels.
• Thermal protection prevents damage due to excessive heat.

Disadvantages

• Limited output current may not be suitable for high-power LED applications.
• Requires additional external components for complete LED driver circuitry implementation.

Working Principles

The TPS92411DBVR operates as a constant current LED driver. It regulates the LED current by adjusting the duty cycle of the internal switching regulator based on the input voltage and dimming control signal. By maintaining a constant current, it ensures consistent brightness levels and extends the lifespan of the LEDs.

Detailed Application Field Plans

The TPS92411DBVR is widely used in various lighting applications, including:

1. Residential lighting: It can be employed in LED bulbs, downlights, and track lights for energy-efficient illumination in homes.
2. Commercial lighting: This IC finds application in office lighting fixtures, retail displays, and hospitality environments, providing efficient and adjustable lighting solutions.
3. Outdoor lighting: It is suitable for outdoor LED lighting systems such as streetlights, parking lot lights, and landscape lighting, offering enhanced energy savings and durability.

Detailed and Complete Alternative Models

1. TPS92550: A similar IC with higher output current capability, making it suitable for high-power LED applications.
2. LM3409: An alternative IC that offers additional features like integrated fault protection and adjustable switching frequency.

In conclusion, the TPS92411DBVR is an integrated circuit designed for LED lighting applications. With its high efficiency, compact package, and dimming capabilities, it provides reliable control over LED driver circuitry. While it has limitations in terms of output current and requires additional external components, its thermal protection and fault detection mechanisms make it a valuable choice for various lighting projects.