Manufacturer Part Number
TPS54418RTER
Manufacturer
Texas Instruments
Introduction
TPS54418RTER is a high-performance, step-down, adjustable output voltage regulator designed for powering complex digital systems from a single Li-Ion battery or a fixed voltage.
Product Features and Performance
Adjustable output voltage ranging from 0.803V to 4.5V
Capable of delivering up to 4A of output current
Wide input voltage range from 2.95V to 6V
High-efficiency synchronous rectification
Flexible switching frequency from 200kHz to 2MHz
Thermally enhanced 16-WFQFN Exposed Pad package
Supports external synchronization
Integrated under-voltage lockout, soft start, and power good signal
Product Advantages
High efficiency at light and heavy loads increases battery life for portable applications
Wide input voltage range supports various power supplies
Small footprint and low profile suitable for space-constrained applications
Programmable switching frequency allows optimization between efficiency and component size
Thermal shutdown and overcurrent protection enhance safety and reliability
Key Technical Parameters
Output Voltage (Min/Fixed): 0.803V
Output Voltage (Max): 4.5V
Output Current: 4A
Voltage Input (Min): 2.95V
Voltage Input (Max): 6V
Frequency Switching: 200kHz ~ 2MHz
Operating Temperature: -40°C ~ 150°C (TJ)
Quality and Safety Features
Overcurrent protection prevents damage from excessive current
Thermal shutdown mechanism protects against overheating
Under-voltage lockout ensures stability and proper operation
Lead-free and RoHS compliant for environmental safety
Compatibility
Compatible with various microcontrollers, DSPs, and FPGAs needing adjustable power supply
Suitable for Li-Ion powered applications
Application Areas
Portable and battery-powered devices
Networking and telecommunication equipment
Computing and storage systems
Digital cameras and personal multimedia devices
Product Lifecycle
Currently Active with no indication of nearing discontinuation
Manufacturer support available for replacements or upgrades
Several Key Reasons to Choose This Product
High efficiency and flexibility in power management for complex digital systems
Robust thermal and current protection features for enhanced reliability and safety
Wide input voltage range accommodates various power sources
Programmable switching frequency for design flexibility
Compact and thermally enhanced package suitable for high-density designs