TPS61043DRBR - Texas Instruments

Manufacturer Part Number

TPS61043DRBR

Manufacturer

Texas Instruments

Introduction

The TPS61043DRBR is a high-frequency, high-efficiency step-up converter designed for driving white LEDs.

Product Features and Performance

Highly efficient step-up(boost) converter

Integrated power switch

PWM brightness control

Operating frequency of 1MHz

Over-temperature protection

Thermal shutdown

LED open/short-circuit protection

Product Advantages

Minimal external components required

Stable with small output capacitors

High efficiency for extended battery life

Small package footprint

Key Technical Parameters

Voltage - Supply (Min): 1.8V

Voltage - Supply (Max): 6V

Voltage - Output: 16.9V

Current - Output / Channel: 60mA

Number of Outputs: 1

Dimming: PWM

Operating temperature range: -40°C to 85°C

Quality and Safety Features

Built-in over-temperature protection

Thermal shutdown response

LED open and short-circuit protection

Compatibility

Designed for driving white LEDs in backlighting applications

Compatible with PWM dimming control methods

Application Areas

Backlighting for LCD displays

Portable lighting

Keypad backlighting for mobile devices

Product Lifecycle

Product Status: Active

No indication of nearing discontinuation

Availability of replacements or upgrades not explicitly provided

Several Key Reasons to Choose This Product

High power efficiency for longer battery operation

Compact size ideal for space-constrained applications

Low voltage operation down to 1.8V suitable for battery-powered devices

Integrated power FET simplifies design

High switching frequency allows for smaller passive components

Robust protection features ensure product reliability

Suitable for a wide range of LED backlighting applications