TPS92663QPWPTQ1 - English Editing Encyclopedia Entry

Product Overview

Category

The TPS92663QPWPTQ1 belongs to the category of integrated circuits (ICs) specifically designed for automotive lighting applications.

Use

This product is primarily used for controlling and driving high-power LEDs in automotive lighting systems. It provides efficient and reliable LED current regulation, enabling optimal performance and energy efficiency.

Characteristics

• High integration: The TPS92663QPWPTQ1 integrates various features required for LED control, such as a current regulator, PWM dimming, and fault protection.
• Wide input voltage range: It can operate within a wide input voltage range, typically from 4.5V to 40V, making it suitable for various automotive applications.
• Robust design: The IC is designed to withstand harsh automotive environments, including temperature variations, voltage transients, and electromagnetic interference.
• High efficiency: The TPS92663QPWPTQ1 incorporates advanced power management techniques, resulting in high conversion efficiency and minimal power dissipation.
• Compact package: This IC is available in a small-sized PowerPAD™ HTSSOP package, which facilitates easy integration into space-constrained automotive lighting systems.

Package and Quantity

The TPS92663QPWPTQ1 is packaged in a PowerPAD™ HTSSOP package. It is typically supplied in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Current Range: Up to 1.5A
• Operating Temperature Range: -40°C to 125°C
• Dimming Control: PWM (Pulse Width Modulation)
• Fault Protection: Overvoltage, Undervoltage, Overtemperature, and Short-Circuit Protection

Detailed Pin Configuration

The TPS92663QPWPTQ1 features a 20-pin HTSSOP package with the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. VDD: Power supply for internal circuitry
4. EN: Enable pin for turning on/off the IC
5. PWM: Input for PWM dimming control
6. FAULT: Output indicating fault conditions
7. ISET: Current sense resistor connection
8. NC: No connect
9. NC: No connect
10. NC: No connect
11. NC: No connect
12. NC: No connect
13. NC: No connect
14. NC: No connect
15. NC: No connect
16. NC: No connect
17. NC: No connect
18. NC: No connect
19. NC: No connect
20. NC: No connect

Functional Features

• LED current regulation: The TPS92663QPWPTQ1 provides precise and stable current regulation for driving high-power LEDs, ensuring consistent brightness and color accuracy.
• PWM dimming control: It supports pulse width modulation (PWM) dimming, allowing flexible adjustment of LED brightness levels.
• Fault protection: The IC incorporates various protection mechanisms to safeguard against overvoltage, undervoltage, overtemperature, and short-circuit conditions, enhancing system reliability.
• Thermal shutdown: In case of excessive temperature, the TPS92663QPWPTQ1 automatically shuts down to prevent damage to the IC and connected LEDs.

Advantages and Disadvantages

Advantages

• High integration reduces external component count and simplifies design.
• Wide input voltage range enables compatibility with different automotive systems.
• Robust design ensures reliable operation in harsh environments.
• Efficient power management minimizes energy consumption and heat dissipation.
• Compact package facilitates space-constrained installations.

Disadvantages

• Limited output current range may not be suitable for certain high-power LED applications.
• Lack of detailed pin functionality descriptions in the datasheet can make initial setup challenging for inexperienced users.

Working Principles

The TPS92663QPWPTQ1 operates by regulating the current flowing through the connected LEDs. It utilizes a feedback mechanism to monitor and adjust the LED current based on the desired brightness level set through PWM dimming control. The IC continuously compares the sensed current with the reference value, adjusting the duty cycle of the PWM signal to achieve the desired LED current. Fault protection mechanisms ensure safe operation and prevent damage to the IC and LEDs in case of abnormal conditions.

Detailed Application Field Plans

The TPS92663QPWPTQ1 is widely used in various automotive lighting applications, including:

1. Headlights: It provides precise LED current regulation and dimming control for automotive headlights, ensuring optimal visibility and energy efficiency.
2. Daytime Running Lights (DRL): The IC enables efficient and reliable driving of high-power LEDs used in DRL systems, enhancing vehicle visibility during daylight hours.
3. Rear Combination Lamps