Manufacturer Part Number
TPS40140RHHR
Manufacturer
Texas Instruments
Introduction
The TPS40140RHHR is a versatile and efficient synchronous buck controller designed for power management applications requiring dual outputs.
Product Features and Performance
Two output buck design for efficient voltage step-down
Support synchronous rectification for improved power efficiency
Wide voltage supply range from 4.5V to 15V
Adjustable switching frequency between 150kHz to 1MHz
Maximum duty cycle of 87.5%
Phase and frequency control for optimized performance
"Power Good" signal and tracking features for system stability
Embedded current limit for protection
Product Advantages
High efficiency and reliability
Flexible power supply compatibility
Advanced control features including phase, frequency, and power monitoring
Enhanced thermal management with exposed pad design
Key Technical Parameters
Output Type: Transistor Driver
Topology: Buck (Step-Down)
Number of Outputs: 2
Output Phases: 2
Voltage Supply (Vcc/Vdd): 4.5V to 15V
Frequency Switching: 150kHz to 1MHz
Duty Cycle (Max): 87.5%
Operating Temperature: -40°C to 85°C
Quality and Safety Features
Current limiting capabilities to protect against overcurrent conditions
Robust thermal performance with 36-VFQFN exposed pad package
Compatibility
Compatible with a variety of DC input sources from 4.5V up to 15V
Application Areas
Telecommunications
Computing Systems
Industrial Power Supplies
Product Lifecycle
Product status: Not For New Designs
Guidance for replacement or upgrade options available
Several Key Reasons to Choose This Product
High efficiency and dual output capability reduce system complexity
Broad range of input voltage and adjustable switching frequency provide design flexibility
Advanced security features ensure reliability and safety in critical applications
Readily available support and documentation from Texas Instruments for design integration
TPS40131RHBTexas Instruments