Manufacturer Part Number
TPS54312QPWPRQ1
Manufacturer
Texas Instruments
Introduction
The TPS54312QPWPRQ1 is a high-performance, automotive-grade DC DC step-down (buck) regulator designed to convert voltages from 3V to 6V down to a fixed output of 1.2V with an output current capacity of 3A.
Product Features and Performance
Step-down (Buck) topology
Fixed output voltage of 1.2V
Maximum output current of 3A
Input voltage range from 3V to 6V
Switching frequency selectable between 350kHz and 550kHz
Incorporates synchronous rectification for improved efficiency
Operates over a temperature range of -40°C to 125°C
AEC-Q100 qualified for automotive applications
Surface mount, 20-PowerTSSOP packaging for space-efficient design
Product Advantages
High efficiency due to synchronous rectification
Suitable for automotive applications due to AEC-Q100 qualification
Wide input voltage range allows for versatility in applications
Selectable switching frequency provides flexibility in balancing efficiency and external component size
Compact packaging aids in minimizing PCB space usage
Key Technical Parameters
Voltage Input (Min): 3V
Voltage Input (Max): 6V
Voltage Output (Min/Fixed): 1.2V
Current Output: 3A
Frequency Switching: 350kHz, 550kHz
Grade: Automotive
Operating Temperature: -40°C ~ 125°C (TJ)
Quality and Safety Features
AEC-Q100 qualification ensures automotive-grade reliability and performance
Operating temperature range suitable for challenging environments
Compatibility
Surface mount technology compatible for ease of design and integration
Fits 20-PowerTSSOP packaging standard for compatibility with a wide range of PCB designs
Application Areas
Automotive power supplies
Power regulation for sensors, microcontrollers, and other automotive electronics
Portable and battery-powered equipment requiring efficient power management
Product Lifecycle
Obsolete status; consideration for new designs should account for potential discontinuation and the need for replacement or upgrade paths
Several Key Reasons to Choose This Product
Automotive-grade reliability and performance ensured by AEC-Q100 qualification
High efficiency and flexibility in design due to selectable switching frequencies and synchronous rectification
Supports a wide range of input voltages for versatile application usage
Compact and efficient design suitable for space-constrained automotive applications
Robust operating temperature range suitable for harsh environments
TPS54310PWRTexas Instruments