Manufacturer Part Number
LM5176PWPT
Manufacturer
Texas Instruments
Introduction
High-efficiency DC-DC converter controller with Buck-Boost topology for a versatile power management solution.
Product Features and Performance
Wide input voltage range from 4.2V to 55V
Adjustable switching frequency from 100kHz to 600kHz
Supports up to 100% duty cycle for continuous conduction mode
Synchronous rectification for improved efficiency
Integrated features for precise control: Current limit, enable pin, frequency control, power good signal, and soft start function
Capable of operating at high temperatures up to 125°C (TJ)
Product Advantages
Highly flexible for varied application requirements
Reduces external component count with integrated features
Robust performance in extreme temperature environments
Improves battery life and power efficiency for portable devices
Key Technical Parameters
One output phase
Single output configuration
Output type: Transistor Driver
Function: Step-Up/Step-Down (Buck-Boost)
Topology: Buck-Boost
Duty Cycle (Max): 100%
Synchronous Rectifier: Yes
Clock synchronization capability
Quality and Safety Features
Protection against overcurrent conditions
Thermal shutdown mechanism
Built-in soft start function to minimize inrush current
Compatibility
Designed for surface mount technology (SMT)
Compatible with 28-PowerTSSOP package requirements
Application Areas
Battery-powered devices
Industrial power supplies
Automotive applications
Medical equipment
Portable electronics
Product Lifecycle
Status: Active
Not nearing discontinuation with ongoing manufacturer support
Replacements or upgrades are available for future needs
Several Key Reasons to Choose This Product
Optimized for power efficiency and battery management
Versatility in managing wide input voltage variations
Ease of design in for engineers due to comprehensive control features
Scalable switching frequency for noise-sensitive applications
High reliability and long operational lifespan in challenging environments
Support from a reputable manufacturer with a strong track record in power management solutions