規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| Type | DC DC Regulator |
| Topology | SEPIC, Step-Up (Boost) |
| Internal Switch(s) | Yes |
| Number of Outputs | 4 |
| Voltage - Supply (Min) | 4.5V |
| Voltage - Supply (Max) | 40V |
| Voltage - Output | 45V |
| Current - Output / Channel | 100mA |
| Frequency | 300kHz ~ 2.2MHz |
| Dimming | PWM |
| Applications | Automotive, Backlight |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
The LP8861QPWPRQ1 is an automotive-grade LED driver IC developed by Texas Instruments. It is designed to efficiently control and power high-brightness LEDs in applications such as automotive lighting systems, including headlights, taillights, and interior illumination. This IC supports a wide input voltage range and integrates a high-performance boost converter, allowing it to drive multiple LEDs in series with high precision and reliability.
Key features include dynamic headroom control, which optimizes power efficiency by adjusting the LED current in response to changes in input voltage or LED forward voltage. It also offers PWM dimming for brightness control, fault detection for enhanced safety, and thermal protection mechanisms. The LP8861QPWPRQ1 is AEC-Q100 qualified, ensuring it meets rigorous automotive standards for quality and reliability. Its versatility in handling various lighting configurations and efficiency in power management make it an ideal choice for modern automotive LED applications.
Key features include dynamic headroom control, which optimizes power efficiency by adjusting the LED current in response to changes in input voltage or LED forward voltage. It also offers PWM dimming for brightness control, fault detection for enhanced safety, and thermal protection mechanisms. The LP8861QPWPRQ1 is AEC-Q100 qualified, ensuring it meets rigorous automotive standards for quality and reliability. Its versatility in handling various lighting configurations and efficiency in power management make it an ideal choice for modern automotive LED applications.
Equivalent
The LP8861QPWPRQ1 is an automotive-grade LED driver from Texas Instruments. Equivalent products from other manufacturers might include:
1. Linear Technology LT3965 - LED driver with high current accuracy.
2. Maxim Integrated MAX16832A - High-voltage LED driver.
3. ON Semiconductor NCL30160 - Dimmable constant current LED driver.
When selecting alternatives, ensure compatibility in terms of electrical specifications and features for your specific application.
1. Linear Technology LT3965 - LED driver with high current accuracy.
2. Maxim Integrated MAX16832A - High-voltage LED driver.
3. ON Semiconductor NCL30160 - Dimmable constant current LED driver.
When selecting alternatives, ensure compatibility in terms of electrical specifications and features for your specific application.
Features
The LP8861QPWPRQ1 is an automotive-grade LED driver designed for backlighting applications. It features a high-efficiency, boost converter that supports a wide input voltage range, making it suitable for various automotive power supplies. The device is capable of driving multiple LED strings with precise current regulation, ensuring uniform brightness. It offers a maximum output voltage of up to 50V and includes integrated MOSFETs to minimize the need for external components.
Key features include adaptive voltage control, which optimizes power efficiency by adjusting the output voltage based on LED load, and spread spectrum modulation to reduce electromagnetic interference (EMI). It also supports pulse-width modulation (PWM) and analog dimming for flexible brightness control. The LP8861QPWPRQ1 comes with diagnostic features such as open/short LED detection and thermal shutdown protection to enhance system reliability.
The device is AEC-Q100 qualified, ensuring it meets stringent automotive quality standards, and is housed in a compact HTSSOP package, making it suitable for space-constrained applications.
Key features include adaptive voltage control, which optimizes power efficiency by adjusting the output voltage based on LED load, and spread spectrum modulation to reduce electromagnetic interference (EMI). It also supports pulse-width modulation (PWM) and analog dimming for flexible brightness control. The LP8861QPWPRQ1 comes with diagnostic features such as open/short LED detection and thermal shutdown protection to enhance system reliability.
The device is AEC-Q100 qualified, ensuring it meets stringent automotive quality standards, and is housed in a compact HTSSOP package, making it suitable for space-constrained applications.
Pinout
The LP8861QPWPRQ1 is a LED driver IC designed by Texas Instruments, primarily used for automotive lighting applications. It is part of the LP8861-Q1 series. This device is housed in a 16-pin HTSSOP (PWP) package.
The primary functions of the LP8861QPWPRQ1 include:
- Driving a string of LED lights efficiently in backlighting applications.
- Providing boost DC-DC conversion to supply the necessary voltage for the LED string.
- Supporting PWM dimming control to adjust LED brightness levels.
- Offering protection features such as overcurrent, overvoltage, and thermal protection to ensure safe operation.
This IC is used to control and power LED panels in automotive displays, dashboards, and lighting systems. For detailed pin configuration and specific functionalities, referring to the official datasheet is recommended.
The primary functions of the LP8861QPWPRQ1 include:
- Driving a string of LED lights efficiently in backlighting applications.
- Providing boost DC-DC conversion to supply the necessary voltage for the LED string.
- Supporting PWM dimming control to adjust LED brightness levels.
- Offering protection features such as overcurrent, overvoltage, and thermal protection to ensure safe operation.
This IC is used to control and power LED panels in automotive displays, dashboards, and lighting systems. For detailed pin configuration and specific functionalities, referring to the official datasheet is recommended.
Manufacturer
The LP8861QPWPRQ1 is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are used in electronic devices worldwide. The company is one of the largest producers of analog technology components and embedded processors, and it serves industries such as consumer electronics, automotive, industrial, and communications. TI is known for its innovation in the semiconductor industry and focuses on delivering high-performance products to improve energy efficiency and enhance functionality in electronic devices.
Application
The LP8861QPWPRQ1 is a highly efficient LED driver commonly used in automotive applications. Its primary application areas include automotive interior and exterior lighting systems such as instrument clusters, infotainment displays, and ambient lighting. It supports high-power, high-brightness LED arrays, making it suitable for headlamps, tail lamps, and daytime running lights. The driver's ability to provide precise dimming control and high efficiency under varying conditions makes it ideal for energy-efficient automotive lighting solutions. Additionally, the LP8861QPWPRQ1 can be used in industrial and consumer electronics applications that require reliable LED driving capabilities.
Package
The LP8861QPWPRQ1 is packaged in a 20-pin HTSSOP (Hotrod Thin Shrink Small Outline Package) with PowerPAD. This package type is designed for optimal thermal performance and efficient power dissipation, suitable for automotive LED lighting applications.
