Manufacturer Part Number
LM5176RHFR
Manufacturer
Texas Instruments
Introduction
The LM5176RHFR from Texas Instruments is a flexible and highly integrated Power Management IC, designed for DC-DC switching control.
Product Features and Performance
Step-up/step-down capability
Positive output configuration
Buck-boost topology
Single output with a phase of 1
Wide voltage supply range: 4.2V to 55V
Adjustable switching frequency from 100kHz to 600kHz
Supports synchronous rectification for improved efficiency
Clock synchronization feature
Product Advantages
High integration reduces external component count
Broad input voltage range accommodates various power sources
Flexible switching frequency allows optimization between efficiency and component size
Advanced control features enhance power system performance
Key Technical Parameters
Output Type: Transistor Driver
Voltage Supply (Vcc/Vdd): 4.2V ~ 55V
Frequency Switching: 100kHz ~ 600kHz
Operating Temperature: -40°C to 125°C (TJ)
Quality and Safety Features
Current limit functionality for overcurrent protection
Soft start feature to limit inrush current at power-up
Power Good signal for output voltage monitoring
Robust thermal performance with operating temperature range from -40°C to 125°C
Compatibility
Suitable for use in a surface mount technology assembly process
Mounting Type: Surface Mount
Package / Case: 28-VFQFN Exposed Pad
Application Areas
Industrial power systems
Automotive power supplies
Portable and battery-powered equipment
Renewable energy systems
Product Lifecycle
Status: Active
Not nearing discontinuation, ensuring long-term availability
Potential future upgrades and replacements available through Texas Instruments' product roadmap
Several Key Reasons to Choose This Product
Texas Instruments' reputation for reliable and high-quality power management solutions
Versatile input voltage range and output configurations for a wide range of applications
Customizable operating characteristics for performance optimization
Advanced safety features to protect against common electrical faults
Comprehensive thermal management and reliability over a wide temperature range
Ready for automated production environments with surface-mount packaging