Manufacturer Part Number
TPS40422RHAR
Manufacturer
Texas Instruments
Introduction
The TPS40422RHAR is a high-performance, dual-output, step-down (buck) switching controller. It is specifically designed for power management applications requiring efficient power conversion.
Product Features and Performance
Dual-output, step-down switching controller
Supports synchronous rectification for improved efficiency
Capable of operating at frequencies between 100kHz and 1MHz
Features PMBus serial interfaces for enhanced control and monitoring
Incorporates frequency control and power good signal for better system stability and reliability
Designed for a wide input voltage range from 4.5V up to 20V
Efficient power conversion topology (Buck) suitable for positive output configurations
Clock synchronization feature for system noise reduction
Product Advantages
Enhanced power efficiency due to synchronous rectification
Flexible control options with PMBus interface and frequency control
Supports complex multi-phase power supply designs with dual outputs and two phases
Wide operating temperature range (-40°C to 125°C) suitable for harsh environments
High integration level reduces external component count and system footprint
Key Technical Parameters
Number of Outputs: 2
Output Phases: 2
Voltage Supply (Vcc/Vdd): 4.5V ~ 20V
Frequency Switching: 100kHz ~ 1MHz
Topology: Buck
Serial Interfaces: PMBus
Operating Temperature: -40°C ~ 125°C (TJ)
Quality and Safety Features
Built to high-quality standards of Texas Instruments
Robust thermal management with exposed pad packaging
Safety features integrated for over-voltage, under-voltage, over-current protection
Compatibility
Compatible with a wide range of microcontrollers for PMBus communication
Flexible for use in various power supply architectures due to adjustable frequency and phase add-on capability
Application Areas
Computing systems
Servers and networking equipment
Telecommunication infrastructure
Industrial and automation systems
Product Lifecycle
Status: Active
Not nearing discontinuation, with strong manufacturer support for future upgrades and replacements
Several Key Reasons to Choose This Product
Highly efficient power conversion reduces system power losses
Dual-channel output provides flexibility in managing multiple power rails
High system reliability supported by comprehensive control features and robust safety protections
Extensive support from Texas Instruments, including design tools and technical documentation
Ideal for demanding applications requiring low power consumption, compact design, and high reliability
TPS40400RHLTexas Instruments