Overview
The LP8869CQPWPRQ1 is a high-performance automotive LED driver produced by Texas Instruments. Designed for automotive display backlighting applications, this component integrates advanced features to enhance efficiency, reduce electromagnetic interference (EMI), and ensure reliable operation under challenging automotive conditions. Its market positioning targets automotive electronics manufacturers, particularly those focused on display systems in vehicles. The LP8869CQPWPRQ1 stands out for its high integration, low EMI, and adaptive voltage control, making it a competitive choice for modern automotive lighting solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Input Voltage Range | 4.5 to 40 | V | Supports automotive start-stop and load dump conditions |
| Output Current | Up to 200 | mA | Per channel, with combinable channels for higher current |
| DC-DC Converter | Boost and SEPIC modes | - | Adaptive output voltage control based on LED forward voltage |
| Switching Frequency | Adjustable | kHz | Supports spread spectrum and external synchronization for EMI reduction |
| Package | HTSSOP-20 | - | Thermally enhanced package |
Key Features
- High integration with built-in DC-DC converter and current sinks.
- Adaptive output voltage control to minimize power dissipation.
- Wide input voltage range for automotive applications.
- Spread spectrum and external synchronization for reduced EMI.
- Comprehensive fault detection features for enhanced reliability.
Applications
The LP8869CQPWPRQ1 is widely used in automotive display backlighting systems, including instrument clusters, infotainment displays, and head-up displays (HUDs). Its robust design ensures reliable performance in harsh automotive environments, making it suitable for both standard and luxury vehicles. Additionally, its low EMI characteristics make it ideal for applications where electromagnetic compatibility (EMC) is critical.
Q & A
1. What is the input voltage range of the LP8869CQPWPRQ1?
The input voltage range is 4.5 V to 40 V, supporting automotive start-stop and load dump conditions.
2. Does the LP8869CQPWPRQ1 support external synchronization?
Yes, it supports external synchronization to reduce EMI.
3. What are the key features of the LP8869CQPWPRQ1?
Key features include high integration, adaptive voltage control, wide input voltage range, and comprehensive fault detection.
4. What package does the LP8869CQPWPRQ1 come in?
It comes in an HTSSOP-20 package.
5. Is the LP8869CQPWPRQ1 suitable for automotive applications?
Yes, it is specifically designed for automotive display backlighting systems.
6. How does the LP8869CQPWPRQ1 minimize power dissipation?
It uses adaptive output voltage control based on LED forward voltage.
7. Can the LP8869CQPWPRQ1 operate in boost mode?
Yes, it supports both boost and SEPIC modes.
8. What is the maximum output current per channel?
The maximum output current per channel is 200 mA.
9. Does the LP8869CQPWPRQ1 include fault detection features?
Yes, it includes comprehensive fault detection for enhanced reliability.
10. What is the switching frequency range of the LP8869CQPWPRQ1?
The switching frequency is adjustable and supports spread spectrum for EMI reduction.
