TPS92515QDGQTQ1

Product Overview

Category

The TPS92515QDGQTQ1 belongs to the category of integrated circuits (ICs) and specifically falls under the LED driver ICs.

Use

This product is primarily used for driving and controlling LEDs (Light Emitting Diodes). It provides efficient power management and control for LED lighting applications.

Characteristics

• High efficiency: The TPS92515QDGQTQ1 offers high efficiency power conversion, minimizing energy losses.
• Dimming capabilities: It supports various dimming techniques such as analog, PWM (Pulse Width Modulation), and digital dimming.
• Thermal protection: The IC incorporates thermal shutdown and over-temperature protection features to ensure safe operation.
• Wide input voltage range: It can operate with input voltages ranging from 4.5V to 65V, making it suitable for a wide range of applications.
• Compact package: The TPS92515QDGQTQ1 is available in a small-sized, thermally enhanced package, enabling space-saving designs.

Package and Quantity

The TPS92515QDGQTQ1 is packaged in a 10-pin VSSOP (Very Small Outline Package) with an exposed pad for improved thermal dissipation. It is typically supplied in reels or tubes, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 65V
• Output Current Range: Up to 1.5A
• Switching Frequency: Adjustable up to 2MHz
• Dimming Control: Analog, PWM, and Digital
• Operating Temperature Range: -40°C to +125°C
• Package Type: 10-pin VSSOP

Detailed Pin Configuration

The TPS92515QDGQTQ1 has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. EN: Enable pin for turning the IC on/off
4. DIM: Dimming control input pin
5. FB: Feedback pin for regulating output voltage/current
6. AGND: Analog ground pin
7. VCC: Supply voltage for internal circuitry
8. SW: Switch node pin for connecting to the LED load
9. PGND: Power ground pin
10. NC: No connection pin

Functional Features

• High-efficiency LED driver with integrated power MOSFET
• Wide input voltage range for versatile applications
• Supports various dimming techniques for flexible lighting control
• Over-temperature and thermal shutdown protection for safe operation
• Compact package with improved thermal dissipation for space-saving designs

Advantages and Disadvantages

Advantages

• High efficiency leads to energy savings and reduced operating costs.
• Versatile dimming options allow for customized lighting scenarios.
• Integrated thermal protection ensures safe and reliable operation.
• Wide input voltage range enables compatibility with different power sources.
• Compact package facilitates compact and efficient luminaire designs.

Disadvantages

• Limited output current range may not be suitable for high-power LED applications.
• Requires additional external components for certain functionalities.
• Higher cost compared to simpler LED driver solutions.

Working Principles

The TPS92515QDGQTQ1 operates as a buck converter, converting the higher input voltage to a lower voltage suitable for driving LEDs. It utilizes a high-efficiency power MOSFET to regulate the output current. The dimming control input allows for adjusting the brightness of the connected LEDs using various dimming techniques. The IC incorporates thermal protection mechanisms to prevent overheating and ensure safe operation.

Detailed Application Field Plans

The TPS92515QDGQTQ1 is well-suited for a wide range of LED lighting applications, including but not limited to:

1. Residential lighting: Provides efficient and dimmable LED driver solutions for residential lighting fixtures such as downlights, track lights, and sconces.
2. Commercial lighting: Enables energy-efficient and controllable LED drivers for office spaces, retail stores, and hospitality environments.
3. Outdoor lighting: Suitable for outdoor applications like street lighting, parking lot illumination, and landscape lighting, where high efficiency and robustness are essential.
4. Automotive lighting: Offers reliable LED driver solutions for automotive lighting applications, including headlights, taillights, and interior lighting.

Detailed and Complete Alternative Models

1. TPS92515RGYTQ1: Similar to the TPS92515QDGQTQ1, but packaged in a 16-pin QFN (Quad Flat No-Lead) package.
2. TPS92515YFFR: A smaller-sized alternative with a 6-pin DSBGA (Dual Sided Ball Grid Array) package.
3. TPS92515PWP: A higher-power alternative capable of driving larger LED loads, packaged in a 20-pin HTSSOP (He