TPS92690PWP/NOPB

Product Overview

Category

The TPS92690PWP/NOPB belongs to the category of integrated circuits (ICs) specifically designed for lighting applications.

Use

This product is primarily used in automotive lighting systems, where it serves as a high-performance LED driver.

Characteristics

• High efficiency: The TPS92690PWP/NOPB offers excellent power conversion efficiency, ensuring optimal energy utilization.
• Compact package: It comes in a small-sized package, making it suitable for space-constrained applications.
• Robust design: This IC is built with robust features to withstand harsh automotive environments, ensuring reliable performance.
• Dimming capabilities: The TPS92690PWP/NOPB supports various dimming techniques, allowing for flexible control of the LED brightness.
• Thermal protection: It incorporates thermal shutdown and over-temperature protection mechanisms to prevent damage due to excessive heat.

Package and Quantity

The TPS92690PWP/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 range: Up to 1.5A
• Switching frequency: Adjustable up to 2MHz
• Operating temperature range: -40°C to +125°C
• Dimming control: Analog/PWM
• Fault detection and protection features: Overvoltage, undervoltage, overcurrent, and over-temperature protection

Pin Configuration

The TPS92690PWP/NOPB has the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. VCC: Supply voltage
4. EN: Enable pin
5. DIM: Dimming control input
6. FB: Feedback pin
7. CS: Current sense pin
8. PGND: Power ground
9. LX: Switch node
10. SW: Switch node
11. SW: Switch node
12. SW: Switch node
13. SW: Switch node
14. SW: Switch node
15. SW: Switch node
16. SW: Switch node
17. SW: Switch node
18. SW: Switch node
19. SW: Switch node
20. SW: Switch node

Functional Features

• High-efficiency buck LED driver
• Wide input voltage range for automotive applications
• Adjustable switching frequency for design flexibility
• Integrated fault detection and protection mechanisms
• Supports both analog and PWM dimming control methods
• Compact package suitable for space-constrained designs

Advantages and Disadvantages

Advantages

• High efficiency leads to energy savings
• Robust design ensures reliable performance in automotive environments
• Flexible dimming options allow for customized lighting effects
• Comprehensive fault detection and protection features enhance system safety
• Small package size enables compact product designs

Disadvantages

• Limited output current range may not be suitable for high-power applications
• Requires additional external components for proper operation

Working Principles

The TPS92690PWP/NOPB operates as a buck converter, converting the input voltage to a regulated output voltage suitable for driving LEDs. It utilizes a high-frequency switching technique to efficiently regulate the LED current. The dimming control input allows for adjusting the LED brightness using either an analog or PWM signal. The IC incorporates various protection mechanisms to safeguard against faults such as overvoltage, undervoltage, overcurrent, and over-temperature conditions.

Application Field Plans

The TPS92690PWP/NOPB is widely used in automotive lighting applications, including:

1. Headlights: It provides efficient LED driving for automotive headlights, offering improved visibility and energy efficiency.
2. Daytime Running Lights (DRL): The IC enables the implementation of DRL systems, enhancing vehicle safety during daylight hours.
3. Interior Lighting: It can be used for interior lighting applications, such as ambient lighting and instrument panel illumination.
4. Rear Lights: The TPS92690PWP/NOPB is suitable for driving LED arrays in rear lights, including brake lights, turn signals, and reverse lights.

Alternative Models

• TPS92691PWP/NOPB
• TPS92692PWP/NOPB
• TPS92693PWP/NOPB
• TPS92694PWP/NOPB

These alternative models offer similar functionality and characteristics to the TPS92690PWP/NOPB, providing designers with options based on specific application requirements.

In conclusion, the TPS92690PWP/NOPB is a high-performance LED driver IC designed for automotive lighting applications. Its compact size, high efficiency, and robust features make it an ideal choice for various lighting systems. With its comprehensive protection mechanisms and flexible dimming control, this IC offers enhanced reliability and