LP8861QPWPRQ1 - Texas Instruments

Manufacturer Part Number

LP8861QPWPRQ1

Manufacturer

Texas Instruments

Introduction

The LP8861QPWPRQ1 is an automotive grade, high-efficiency LED driver designed for power management in backlight applications.

Product Features and Performance

Integrated DC DC regulator with SEPIC and Step-Up (Boost) topology

Contains internal switches

Supports four outputs

Operates within a supply voltage range of 4.5V to 40V

Delivers an output voltage of 45V

Provides output current of 100mA per channel

Adjustable frequency between 300kHz and 2.2MHz

PWM dimming capability

Operating temperature range from -40°C to 125°C

Product Advantages

High efficiency for reduced power consumption

Supports a wide range of input voltages

Capable of driving multiple LED strings

High-temperature operational capability makes it suitable for harsh environments

Automotive grade reliability and AEC-Q100 qualification

Key Technical Parameters

Voltage Supply (Min): 4.5V

Voltage Supply (Max): 40V

Voltage Output: 45V

Current Output / Channel: 100mA

Frequency: 300kHz ~ 2.2MHz

Quality and Safety Features

AEC-Q100 qualified for automotive applications

Built-in thermal shutdown and overcurrent protection

Compatibility

Compatible with various LED configurations for backlight applications

Ideal for applications requiring adjustable frequency and high current output

Application Areas

Primarily used in automotive backlighting systems

Product Lifecycle

Currently in active production

Not nearing discontinuation

Supports potential upgrades or replacements as needed

Several Key Reasons to Choose This Product

High efficiency and integrated switchers reduce extra component needs

Capable of handling harsh automotive environments

Wide operational frequency range offers design flexibility

Supports complex backlight applications with multiple outputs

Ensured quality with automotive qualification