TPS92641PWP/NOPB

Product Overview

Category

The TPS92641PWP/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 TPS92641PWP/NOPB offers high power conversion efficiency, ensuring optimal energy utilization.
• Compact package: It comes in a small form factor package, allowing for easy integration into various lighting systems.
• Robust design: This IC is built to withstand harsh automotive environments, ensuring long-term reliability.
• Advanced features: The TPS92641PWP/NOPB incorporates advanced protection mechanisms, such as overvoltage and overtemperature protection, enhancing system safety.

Package and Quantity

The TPS92641PWP/NOPB is available in a PowerPAD HTSSOP package. Each package contains one IC.

Specifications

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

Detailed Pin Configuration

The TPS92641PWP/NOPB has the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. VCC: Supply voltage for internal circuitry
4. EN: Enable pin for device operation
5. DIM: Dimming control input
6. FB: Feedback pin for output voltage regulation
7. SW: Switch node connection for external inductor
8. LX: Inductor connection
9. PGND: Power ground

Functional Features

• Wide input voltage range allows compatibility with various automotive power systems.
• Integrated protection features safeguard against overvoltage, overtemperature, and short-circuit conditions.
• Adjustable switching frequency enables optimization for different applications.
• Dimming control input facilitates brightness adjustment according to user requirements.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and improved energy efficiency.
• Compact package allows for space-saving integration in lighting systems.
• Robust design ensures reliable performance in demanding automotive environments.
• Advanced protection mechanisms enhance system safety.

Disadvantages

• Limited output current may not be suitable for high-power lighting applications.
• Analog/PWM dimming control may require additional external components for precise control.

Working Principles

The TPS92641PWP/NOPB operates as a buck LED driver, 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 adjusts the duty cycle of the switching waveform, thereby controlling the brightness of the LEDs.

Detailed Application Field Plans

The TPS92641PWP/NOPB is widely used in various automotive lighting applications, 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 with adjustable brightness levels, enhancing vehicle safety during daytime.
3. Interior lighting: Offers efficient illumination for interior lighting applications, such as dome lights and ambient lighting, enhancing the overall aesthetics and functionality of the vehicle.

Detailed and Complete Alternative Models

1. TPS92640PWP/NOPB: Similar to the TPS92641PWP/NOPB, but with a lower output current capability.
2. TPS92642PWP/NOPB: Similar to the TPS92641PWP/NOPB, but with a higher output current capability.
3. TPS92643PWP/NOPB: Similar to the TPS92641PWP/NOPB, but with additional features like fault detection and diagnostics.

(Note: The above alternative models are for illustrative purposes only and may not represent an exhaustive list of alternatives.)

In conclusion, the TPS92641PWP/NOPB is a highly efficient and reliable integrated circuit designed for automotive lighting applications. Its compact package, advanced features, and robust design make it an ideal choice for various lighting systems in vehicles.