Overview
The TPS929120QPWPRQ1 is an advanced automotive-grade LED driver produced by Texas Instruments. Designed specifically for automotive lighting applications, this component integrates high-performance features to meet the stringent requirements of modern vehicles. It is part of Texas Instruments' automotive-qualified product line, ensuring reliability and durability in harsh environments. The TPS929120QPWPRQ1 is ideal for use in exterior and interior automotive lighting systems, offering precise control and high efficiency. Its unique selling points include robust diagnostics, high integration, and compliance with automotive standards, making it a competitive choice for automotive designers and engineers.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Number of Channels | 12 | Independent control for each channel | |
| Output Current per Channel | Up to 120 | mA | Adjustable |
| Supply Voltage | 4.5 to 40 | V | Wide operating range |
| Communication Interface | SPI | Supports daisy-chain configuration | |
| Diagnostics | Open LED, short LED, overtemperature | Comprehensive fault detection | |
| Operating Temperature | -40 to 125 | °C | Automotive-grade |
| Package | HTSSOP-28 | Thermally enhanced | |
| Compliance | AEC-Q100 | Qualified for automotive applications |
Key Features
- High Integration: Combines 12 independent LED channels in a single package, reducing board space and complexity.
- Robust Diagnostics: Includes open LED, short LED, and overtemperature detection for enhanced reliability.
- Wide Supply Voltage Range: Supports operation from 4.5V to 40V, suitable for various automotive power systems.
- SPI Interface: Enables precise control and daisy-chain configuration for scalable designs.
- Automotive Compliance: Meets AEC-Q100 standards, ensuring reliability in harsh automotive environments.
Applications
The TPS929120QPWPRQ1 is widely used in automotive lighting systems, including:
- Exterior Lighting: Headlights, taillights, and turn signals benefit from its precise current control and diagnostics.
- Interior Lighting: Ambient lighting, dashboard indicators, and infotainment displays leverage its high integration and efficiency.
- Advanced Driver Assistance Systems (ADAS): Supports lighting requirements for ADAS features like lane departure warnings and blind-spot detection.
Its robust design and compliance with automotive standards make it a reliable choice for modern vehicle lighting solutions.
Q & A
1. What is the maximum output current per channel?
The maximum output current per channel is 120 mA.
2. Does the TPS929120QPWPRQ1 support daisy-chain configuration?
Yes, it supports daisy-chain configuration via its SPI interface.
3. What is the operating voltage range?
The operating voltage range is 4.5V to 40V.
4. Is this component compliant with automotive standards?
Yes, it is AEC-Q100 qualified for automotive applications.
5. What diagnostic features are included?
It includes open LED, short LED, and overtemperature diagnostics.
6. What is the package type?
The package type is HTSSOP-28.
7. Can the output current be adjusted?
Yes, the output current per channel is adjustable.
8. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
9. How many channels does the TPS929120QPWPRQ1 have?
It has 12 independent LED channels.
10. What communication interface does it use?
It uses an SPI interface for communication.
