Overview
The TPS92391RHBR is a highly integrated LED driver IC produced by Texas Instruments. Designed for precision control in lighting applications, this product is categorized as a constant current LED driver. It is specifically engineered to meet the demands of high-performance LED lighting systems, offering superior efficiency and reliability. The TPS92391RHBR is targeted at applications in industrial lighting, automotive lighting, and general-purpose LED drivers. Its unique selling points include advanced dimming capabilities, high efficiency, and robust thermal performance, making it a competitive choice in the LED driver market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4.5 to 65 | V | Wide input range for versatile applications |
| Output Current | Up to 1.5 | A | Adjustable for precise control |
| Switching Frequency | 200 to 2000 | kHz | Programmable for optimization |
| Dimming Control | PWM and Analog | - | Supports multiple dimming methods |
| Efficiency | Up to 95 | % | High efficiency reduces power loss |
| Operating Temperature | -40 to 125 | °C | Wide temperature range for robust performance |
| Package | VQFN-32 | - | Compact and thermally efficient |
Key Features
- Wide Input Voltage Range: Supports operation from 4.5V to 65V, making it suitable for a variety of applications.
- High Efficiency: Achieves up to 95% efficiency, minimizing energy loss and heat generation.
- Advanced Dimming Control: Supports both PWM and analog dimming for flexible brightness adjustment.
- Programmable Switching Frequency: Allows optimization for efficiency and EMI performance.
- Robust Thermal Performance: Designed to operate reliably in harsh environments with a wide temperature range.
Applications
The TPS92391RHBR is widely used in various lighting applications, including:
- Industrial Lighting: Provides reliable and efficient power for high-intensity LED systems.
- Automotive Lighting: Ensures precise control and durability for automotive LED lighting.
- General-Purpose LED Drivers: Suitable for a broad range of LED lighting solutions, from residential to commercial use.
Q & A
1. What is the input voltage range of the TPS92391RHBR?
The input voltage range is 4.5V to 65V.
2. What is the maximum output current it can handle?
It can handle up to 1.5A of output current.
3. Does it support dimming control?
Yes, it supports both PWM and analog dimming.
4. What is the efficiency of this LED driver?
It achieves up to 95% efficiency.
5. What is the operating temperature range?
It operates from -40°C to 125°C.
6. What package does the TPS92391RHBR come in?
It comes in a VQFN-32 package.
7. Is the switching frequency programmable?
Yes, the switching frequency is programmable from 200kHz to 2000kHz.
8. What are the typical applications for this IC?
Typical applications include industrial lighting, automotive lighting, and general-purpose LED drivers.
9. How does it handle thermal performance?
It is designed for robust thermal performance, ensuring reliability in harsh environments.
10. Where can I find the official datasheet?
The official datasheet can be found on the Texas Instruments website.
