Overview
The TPS92520QDAPRQ1, manufactured by Texas Instruments, is a high-performance LED driver designed for automotive and industrial lighting applications. This synchronous buck LED driver is part of the TPS92520-Q1 series, known for its reliability and efficiency in demanding environments. It is specifically tailored for high-brightness LED systems, offering advanced features such as PWM dimming, thermal protection, and short-circuit protection. The TPS92520QDAPRQ1 is ideal for automotive headlights, industrial lighting, and commercial lighting systems, providing precise control and robust performance.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4.5 to 65 | V | |
| Output Current | 1.6 | A | Per channel |
| Switching Frequency | 100 to 2200 | kHz | |
| Output Voltage Range | 2.8 to 54.4 | V | |
| Operating Temperature | -40 to +125 | °C | |
| Dimming | Analog, PWM | ||
| Package | 32-HTSSOP | Surface mount | |
| Channels | 2 | ||
| Protection Features | Thermal, Short Circuit | ||
| Humidity Sensitivity | Yes |
Key Features
- Supports both analog and PWM dimming for flexible lighting control.
- Integrated thermal and short-circuit protection ensures safe operation.
- Wide input voltage range (4.5V to 65V) suitable for automotive and industrial applications.
- High switching frequency (up to 2.2MHz) enables compact designs.
- SPI interface for advanced diagnostics and fault monitoring.
Applications
The TPS92520QDAPRQ1 is widely used in automotive lighting systems, including headlights, tail lights, and daytime running lights. Its robust design and high efficiency also make it suitable for industrial lighting applications such as high-ceiling lighting and area lighting. Additionally, it is employed in commercial lighting systems, such as office and retail lighting, where precise dimming and reliable performance are essential.
Q & A
1. What is the input voltage range of the TPS92520QDAPRQ1?
The input voltage range is 4.5V to 65V.
2. How many channels does this LED driver support?
It supports two independent channels.
3. What types of dimming are supported?
It supports both analog and PWM dimming.
4. What is the maximum output current per channel?
The maximum output current per channel is 1.6A.
5. Is the TPS92520QDAPRQ1 suitable for automotive applications?
Yes, it is specifically designed for automotive lighting systems.
6. What protection features are included?
It includes thermal protection and short-circuit protection.
7. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
8. What is the switching frequency range?
The switching frequency range is 100kHz to 2.2MHz.
9. Does it support SPI communication?
Yes, it includes an SPI interface for diagnostics and fault monitoring.
10. What package does the TPS92520QDAPRQ1 come in?
It comes in a 32-HTSSOP surface-mount package.
