Overview
The TPS92662QPHPRQ1 is a high-performance, automotive-qualified LED driver from Texas Instruments. Designed specifically for automotive lighting applications, this product ensures reliable and efficient control of LED strings. Its advanced features and robust design make it ideal for demanding environments, such as exterior and interior automotive lighting systems. The TPS92662QPHPRQ1 stands out for its high integration, fault diagnostics, and compliance with automotive standards, making it a competitive choice for automotive engineers.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4.5 to 65 | V | Wide operating range |
| Output Current | Up to 1.5 | A | Per channel |
| Number of Channels | 2 | - | Independent control |
| Switching Frequency | Up to 2.2 | MHz | Adjustable |
| Efficiency | Up to 95 | % | High efficiency |
| Operating Temperature Range | -40 to 150 | °C | Automotive-grade |
| Package | HTSSOP-20 | - | Thermally enhanced |
| Qualification | AEC-Q100 | - | Automotive qualified |
Key Features
- High Integration: Combines multiple functions into a single chip, reducing external component count.
- Fault Diagnostics: Built-in diagnostics for open LED, shorted LED, and over-temperature conditions.
- Wide Input Voltage Range: Supports operation from 4.5V to 65V, suitable for automotive battery systems.
- Adjustable Switching Frequency: Allows optimization for efficiency and EMI performance.
- Automotive Qualified: Meets AEC-Q100 standards, ensuring reliability in harsh automotive environments.
Applications
The TPS92662QPHPRQ1 is widely used in automotive lighting systems, including:
- Exterior Lighting: Headlights, taillights, and daytime running lights (DRLs).
- Interior Lighting: Dashboard lighting, ambient lighting, and infotainment displays.
- Advanced Driver Assistance Systems (ADAS): Lighting for sensors and cameras.
Its robust design and fault diagnostics ensure reliable performance in these critical applications.
Q & A
1. What is the input voltage range of the TPS92662QPHPRQ1?
The input voltage range is 4.5V to 65V, making it suitable for automotive battery systems.
2. How many channels does the TPS92662QPHPRQ1 support?
It supports 2 independent channels for LED control.
3. Is the TPS92662QPHPRQ1 automotive-qualified?
Yes, it meets AEC-Q100 standards for automotive applications.
4. What fault diagnostics are available?
It provides diagnostics for open LED, shorted LED, and over-temperature conditions.
5. What is the maximum output current per channel?
The maximum output current is 1.5A per channel.
6. Can the switching frequency be adjusted?
Yes, the switching frequency is adjustable up to 2.2MHz.
7. What is the operating temperature range?
It operates from -40°C to 150°C, suitable for automotive environments.
8. What package does the TPS92662QPHPRQ1 use?
It comes in an HTSSOP-20 package, which is thermally enhanced.
9. What is the typical efficiency of this LED driver?
The efficiency can reach up to 95%.
10. What are the typical applications of the TPS92662QPHPRQ1?
Typical applications include automotive exterior and interior lighting, as well as ADAS lighting systems.
