Manufacturer Part Number
TPS65400RGZT
Manufacturer
Texas Instruments
Introduction
The TPS65400RGZT is a multi-channel integrated step-down converter suitable for applications that require efficient power distribution.
Product Features and Performance
Step-Down (Buck) topology
Adjustable output voltage
Multiple outputs (4 channels)
High-efficiency synchronous rectification
Flexible switching frequency from 275kHz to 2.2MHz
Supports a broad input voltage range from 4.5V to 18V
Programmable soft start and power sequencing
Thermal shutdown and over-current protection
Product Advantages
High integration reduces component count
Compact 48-VQFN package saves board space
Configurable frequency synchronisation enhances system performance
Power Good indicators for reliable operation
Precision voltage regulation for sensitive applications
Key Technical Parameters
Voltage - Input (Min): 4.5V
Voltage - Input (Max): 18V
Voltage - Output (Min/Fixed): 0.6V
Voltage - Output (Max): 16.2V
Current - Output: 4A (Channel 1), 2A (Others)
Frequency - Switching: 275kHz to 2.2MHz
Operating Temperature: -40°C to 125°C (TJ)
Quality and Safety Features
Overcurrent protection
Thermal shutdown mechanism
Lead-free and RoHS compliant
Qualification in accordance with JEDEC
Compatibility
Compatible with a multitude of CPUs, FPGAs, and other digital loads
Works well in point-of-load applications
Application Areas
Telecommunications
Networking equipment
Industrial systems
Computing platforms
Consumer electronics
Product Lifecycle
Active status
Not reported as nearing discontinuation
Replacement or upgrade options are typically available for ongoing series
Several Key Reasons to Choose This Product
High efficiency and power density for energy-sensitive designs
Flexibility in power management across multiple rails
Strong technical support and documentation from Texas Instruments
Long-term reliability and robust operation in extreme conditions
Inherent scalability for future power requirements