TPS92641PWPT/NOPB

Product Overview

Category

The TPS92641PWPT/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 TPS92641PWPT/NOPB offers high power conversion efficiency, ensuring optimal energy utilization.
• Compact package: It comes in a small package, allowing for 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 TPS92641PWPT/NOPB supports various dimming techniques, enabling precise control over the brightness of LED lights.

Package and Quantity

The TPS92641PWPT/NOPB is available in a thermally enhanced HTSSOP-28 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 TPS92641PWPT/NOPB features a total of 28 pins, which are assigned specific functions as follows:

1. VIN: Power supply input
2. GND: Ground reference
3. VCC: Internal voltage regulator output
4. EN: Enable pin for device operation
5. DIM: Dimming control input
6. PWM: Pulse width modulation input
7. FB: Feedback pin for regulating output voltage
8. AGND: Analog ground reference
9. PGND: Power ground reference
10. BST: Bootstrap capacitor connection
11. LX: Switching node connection 12-28. Other pins for internal circuitry and connections

Functional Features

• Integrated boost converter: The TPS92641PWPT/NOPB incorporates a high-efficiency boost converter, enabling voltage regulation for LED lighting applications.
• Current regulation: It provides precise current regulation to ensure consistent brightness levels across multiple LEDs.
• Fault protection: This IC includes various protection features such as overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown to safeguard the system from potential failures.
• Dimming control: The TPS92641PWPT/NOPB supports both analog and pulse width modulation (PWM) dimming techniques, allowing for versatile control of LED brightness.

Advantages and Disadvantages

Advantages

• High power conversion efficiency leads to energy savings.
• Compact package facilitates easy integration into lighting systems.
• Robust design ensures reliability in automotive environments.
• Flexible dimming options provide precise control over LED brightness.

Disadvantages

• Limited output current may not be suitable for high-power LED applications.
• Higher cost compared to non-integrated solutions.

Working Principles

The TPS92641PWPT/NOPB operates by converting the input voltage to a regulated output voltage suitable for driving LEDs. It utilizes a boost converter topology to step up the voltage efficiently. The integrated control circuitry ensures accurate current regulation, maintaining consistent brightness levels across the LEDs. The dimming control input allows for adjusting the LED brightness according to the desired level.

Application Field Plans

The TPS92641PWPT/NOPB finds extensive application in automotive lighting systems, including headlights, taillights, and interior lighting. Its compact size and robust design make it ideal for use in vehicles where space is limited, while its efficient power conversion capabilities contribute to improved energy efficiency.

Alternative Models

For those seeking alternative options, the following models can be considered:

1. TPS92642PWPT/NOPB: Similar to TPS92641PWPT/NOPB but with higher output current capability.
2. TPS92630PWPT/NOPB: A lower-cost alternative with slightly reduced features and performance.
3. TPS92550PWPR/NOPB: Suitable for general LED lighting applications, offering a different set of features.

These alternatives provide flexibility in choosing the most suitable IC based on specific requirements and budget considerations.

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