TPS61181RTET - Texas Instruments

Manufacturer Part Number

TPS61181RTET

Manufacturer

Texas Instruments

Introduction

The TPS61181RTET is a high-efficiency, step-up DC DC regulator designed by Texas Instruments, specifically engineered for powering LED backlights. It belongs to the Power Management Integrated Circuits (PMIC) category, focusing on LED driving solutions.

Product Features and Performance

Integrated step-up (boost) regulator

Capable of driving up to 6 LED outputs

Supports a wide input voltage range from 5V to 24V

Provides an output voltage up to 38V

Output current capability of 25mA per channel

High-frequency operation at 1MHz allows for small external components

Supports Pulse-Width Modulation (PWM) dimming for brightness control

Built-in internal switch for enhanced power efficiency

Packaged in a compact 16-WFQFN Exposed Pad for optimal thermal performance

Product Advantages

High integration reduces component count and system footprint

Wide input voltage range accommodates various power supplies

Flexible output configuration supports multiple LED strings

High switching frequency minimizes the size of external inductors and capacitors

PWM dimming capability offers versatile brightness control

Key Technical Parameters

Voltage Supply (Min): 5V

Voltage Supply (Max): 24V

Voltage Output: 38V

Current Output / Channel: 25mA

Frequency: 1MHz

Operating Temperature: -40°C to +85°C

Quality and Safety Features

Overcurrent protection to safeguard against excessive power draw

Thermal shutdown prevents damage from overheating

Compatibility

Ideally suited for surface mount technology (SMT)

Compatible with various LED configurations for backlight applications

Application Areas

LCD panel backlighting for laptops, monitors, and TVs

General LED lighting solutions requiring a step-up voltage

Product Lifecycle

Currently marked as Active indicating ongoing production and support

Check for potential future updates regarding discontinuation or replacement models

Several Key Reasons to Choose This Product

Texas Instruments' reputation for reliability and performance in power management solutions

Versatile input voltage range and adjustable output parameters for broad application compatibility

High-efficiency design leads to energy savings and lower heat generation

Compact packaging suited for space-constrained applications

Comprehensive protection features ensure long-term reliability