Overview
The LP8867QPWPRQ1 is a high-performance LED driver IC manufactured by Texas Instruments, designed specifically for automotive applications. This integrated circuit (IC) falls under the category of Power Management ICs (PMIC) and is part of the Automotive, AEC-Q100 series. It is a highly integrated solution that supports LED backlighting in automotive displays, offering features such as high efficiency, precise current control, and robust protection mechanisms. The LP8867QPWPRQ1 is ideal for automotive lighting systems, including LCD displays, instrument clusters, and infotainment systems, where reliability and performance are critical.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Category | Power Management IC (PMIC) | - | LED Driver |
| Manufacturer | Texas Instruments | - | - |
| Series | Automotive, AEC-Q100 | - | - |
| Package | 20-PowerTSSOP | - | HTSSOP |
| Output Channels | 3 | - | - |
| Input Voltage | 4.5V - 45V | V | - |
| Output Voltage | 6V - 45V | V | - |
| Output Current | 120mA | mA | Per Channel |
| Switching Frequency | 300kHz - 2.2MHz | kHz | - |
| Dimming Control | PWM | - | - |
| Operating Temperature | -40°C - 125°C | °C | - |
Key Features
- High Integration: Combines LED driver, power management, and control functions in a single chip.
- Efficient Performance: Utilizes PWM dimming for precise brightness control and low power consumption.
- Robust Protection: Includes overcurrent, overtemperature, and short-circuit protection for enhanced reliability.
- Flexible Control: Supports I2C and PWM interfaces for versatile system integration.
- Automotive Grade: Compliant with AEC-Q100 standards, ensuring suitability for harsh automotive environments.
Applications
The LP8867QPWPRQ1 is widely used in automotive lighting and display systems. Its primary applications include:
- LCD Backlighting: Provides precise control for LED backlighting in automotive displays.
- Instrument Clusters: Ensures consistent and reliable illumination for dashboard instruments.
- Infotainment Systems: Supports LED lighting in multimedia and navigation displays.
- General Automotive Lighting: Suitable for interior and exterior lighting applications requiring high efficiency and durability.
Q & A
1. What is the input voltage range of the LP8867QPWPRQ1?
The input voltage range is 4.5V to 45V.
2. How many output channels does this IC support?
It supports 3 output channels.
3. What is the maximum output current per channel?
The maximum output current per channel is 120mA.
4. Is the LP8867QPWPRQ1 suitable for automotive applications?
Yes, it is compliant with AEC-Q100 standards, making it suitable for automotive environments.
5. What type of dimming control does this IC use?
It uses PWM (Pulse Width Modulation) for dimming control.
6. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
7. Does the IC include protection features?
Yes, it includes overcurrent, overtemperature, and short-circuit protection.
8. What is the switching frequency range?
The switching frequency range is 300kHz to 2.2MHz.
9. Can the output channels be combined for higher current?
Yes, the output channels can be combined to achieve higher current levels.
10. What package does the LP8867QPWPRQ1 come in?
It comes in a 20-PowerTSSOP (HTSSOP) package.
