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
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