TPS92002DGKR

Product Overview

Category

The TPS92002DGKR belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This IC is primarily used for driving high-power LEDs in lighting applications. It provides efficient control and regulation of LED current, ensuring optimal performance and longevity.

Characteristics

• High efficiency: The TPS92002DGKR offers high power conversion efficiency, minimizing energy losses during operation.
• Dimming capability: It supports dimming functionality, allowing users to adjust the brightness of the connected LEDs.
• Thermal protection: The IC incorporates thermal shutdown protection, preventing damage due to excessive heat.
• Wide input voltage range: It can operate with a wide range of input voltages, making it suitable for various lighting systems.
• Compact package: The TPS92002DGKR comes in a small form factor package, enabling space-saving designs.

Package and Quantity

The TPS92002DGKR is available in a 8-pin VSSOP (Very Small Outline Package) package. It is typically sold in reels containing a specified quantity of ICs.

Specifications

• Input Voltage Range: 4.5V to 65V
• Output Current Range: Up to 1.5A
• Dimming Control: Analog or PWM
• Operating Temperature Range: -40°C to 125°C
• Efficiency: Up to 95%
• Package Type: VSSOP-8

Pin Configuration

The TPS92002DGKR features the following pin configuration:

```

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| | --| VIN | --| GND | --| DIM | --| FB | --| CS | --| EN | --| SW | |___________| ```

Functional Features

1. LED Current Regulation: The TPS92002DGKR ensures precise regulation of LED current, maintaining consistent brightness levels.
2. Dimming Control: It supports both analog and pulse-width modulation (PWM) dimming techniques, allowing flexible control over LED brightness.
3. Over-Temperature Protection: The IC incorporates thermal shutdown protection, safeguarding the LEDs and the IC itself from excessive heat.
4. Wide Input Voltage Range: It can handle a wide range of input voltages, making it suitable for various lighting applications.
5. High Efficiency: The TPS92002DGKR offers high power conversion efficiency, reducing energy wastage and enhancing overall system performance.

Advantages and Disadvantages

Advantages

• Efficient LED driving with high power conversion efficiency.
• Flexibility in dimming control methods.
• Compact package size for space-constrained designs.
• Wide input voltage range for versatile application scenarios.
• Built-in thermal protection for enhanced reliability.

Disadvantages

• Limited output current capacity compared to some other power management ICs.
• Requires additional external components for complete LED driver implementation.

Working Principles

The TPS92002DGKR operates as a buck converter, converting the higher input voltage to a regulated lower voltage suitable for driving LEDs. It employs a feedback mechanism to regulate the LED current, ensuring stable and accurate illumination. The dimming control is achieved by adjusting the duty cycle of the PWM signal or varying the analog control voltage.

Application Field Plans

The TPS92002DGKR finds extensive use in various lighting applications, including: 1. Residential lighting systems 2. Commercial and office lighting 3. Automotive lighting 4. Street and outdoor lighting 5. Industrial lighting

Alternative Models

For those seeking alternative options, the following models provide similar functionality to the TPS92002DGKR: 1. TPS92550DGQR 2. LM3409HVMM/NOPB 3. LT3799EMSE#PBF 4. MAX16834ATE+ 5. NCL30186DR2G

These alternative models can be considered based on specific requirements and design constraints.

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