Manufacturer Part Number
TPS40051PWPR
Manufacturer
Texas Instruments
Introduction
The TPS40051PWPR is a specialized Power Management IC designed for DC DC switching control, primarily utilized in buck (step-down) conversions.
Product Features and Performance
Step-down (buck) topology achieving efficient power conversion
Supports synchronous rectification for improved efficiency
Capable of up to 94% duty cycle for low-dropout operation
Includes features like current limit, enable pin, frequency control, and soft start for a smoother operation
Operates at a switching frequency of 500kHz, allowing for smaller passive components
Supports clock synchronization for noise-sensitive applications
Designed for a wide voltage supply range of 8V to 40V, accommodating various input sources
Product Advantages
High efficiency and flexibility in managing power
Reduced external component size due to high switching frequency
Enhanced system reliability through built-in protection features
Wide operating temperature range suitable for industrial applications
Key Technical Parameters
Output Type: Transistor Driver
Function: Step-Down
Output Configuration: Positive
Voltage Supply (Vcc/Vdd): 8V ~ 40V
Frequency Switching: 500kHz
Duty Cycle (Max): 94%
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Incorporates current limit feature for overcurrent protection
Soft start to mitigate power-on surges
Built for robust operation in harsh environmental conditions
Compatibility
Surface Mount packaging for compatibility with modern PCB assembly processes
Suitable for a wide range of power applications due to its flexible input voltage requirement
Application Areas
Power supply modules
Industrial equipment
Telecommunication infrastructure
Automotive systems
Product Lifecycle
Specified as Not For New Designs, indicating that it may be nearing the end of its lifecycle but still supported by Texas Instruments
Users should consider future availability and potential replacements or upgrades for long-term designs
Several Key Reasons to Choose This Product
High efficiency and flexibility in power management
Reduced component sizes thanks to high switching frequency
Built-in features for enhanced safety and reliability
Compatibility with a wide range of applications and systems
Support from Texas Instruments despite its status, providing reliability for ongoing designs
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