TPS92690PWPR/NOPB

Product Overview

Category

The TPS92690PWPR/NOPB belongs to the category of integrated circuits (ICs) specifically designed for lighting applications.

Use

This product is primarily used in automotive lighting systems, providing efficient and reliable control for LED drivers.

Characteristics

• High efficiency: The TPS92690PWPR/NOPB offers high power conversion efficiency, ensuring optimal energy utilization.
• Compact package: It comes in a small form factor package, enabling easy integration into various lighting systems.
• Robust design: This IC is built to withstand harsh automotive environments, ensuring long-term reliability.
• Flexible dimming options: The TPS92690PWPR/NOPB supports various dimming techniques, allowing for versatile lighting control.

Package and Quantity

The TPS92690PWPR/NOPB is available in a 20-pin HTSSOP package. It is typically sold in reels containing 250 units.

Specifications

• Input voltage range: 4.5V to 65V
• Output current: Up to 1.5A
• Switching frequency: Adjustable up to 2MHz
• Dimming control: Analog/PWM
• Operating temperature range: -40°C to 125°C

Pin Configuration

The TPS92690PWPR/NOPB features the following pin configuration:

1. VCC
2. GND
3. EN
4. DIM
5. FB
6. AGND
7. PGND
8. SW
9. SW
10. SW
11. SW
12. SW
13. SW
14. SW
15. SW
16. SW
17. SW
18. SW
19. SW
20. SW

Functional Features

• Integrated protection: The IC incorporates various protection mechanisms such as overvoltage, undervoltage, and overtemperature protection, ensuring safe operation.
• Fault detection: The TPS92690PWPR/NOPB includes fault detection circuitry to identify and respond to abnormal operating conditions promptly.
• High dimming resolution: It provides precise dimming control with high resolution, allowing for smooth and accurate lighting adjustments.

Advantages and Disadvantages

Advantages

• Efficient power conversion, reducing energy consumption.
• Compact package enables easy integration into lighting systems.
• Robust design ensures reliability in automotive environments.
• Flexible dimming options provide versatile lighting control.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Higher cost compared to some alternative models.

Working Principles

The TPS92690PWPR/NOPB operates as a buck LED driver, converting the input voltage to a lower regulated voltage suitable for driving LEDs. It utilizes a switching regulator topology to achieve high efficiency. The IC incorporates a feedback mechanism to regulate the output voltage and current accurately. Dimming control is achieved through analog or PWM signals applied to the DIM pin.

Application Field Plans

The TPS92690PWPR/NOPB finds extensive application in various automotive lighting systems, including:

1. Headlights: Provides efficient and reliable LED driving for automotive headlights, offering improved visibility and energy efficiency.
2. Daytime running lights (DRL): Enables low-power DRL operation, enhancing vehicle safety while conserving energy.
3. Interior lighting: Offers flexible dimming control for interior lighting, creating a comfortable and customizable ambiance inside the vehicle.
4. Rear lights: Ensures optimal performance and longevity of LED-based rear lights, contributing to enhanced visibility and safety.

Alternative Models

For those seeking alternatives to the TPS92690PWPR/NOPB, the following models can be considered:

1. TPS92630PWPR/NOPB: Similar functionality with a lower output current capability.
2. TPS92602PWPR/NOPB: Provides higher output current but lacks some advanced protection features.
3. TPS92550PWPR/NOPB: Offers similar specifications and features, but in a different package.

In conclusion, the TPS92690PWPR/NOPB is a highly efficient and reliable integrated circuit designed for automotive lighting applications. Its compact size, flexible dimming options, and robust design make it an ideal choice for various lighting systems. While it may have limitations in terms of output current and cost, it offers significant advantages in energy efficiency and versatility.