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TPS544B25

Texas Instruments
Part Number TPS544B25
Manufacturer Texas Instruments
Description Synchronous Buck Converters
Published Nov 20, 2019
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design TPS544C25, TPS5...
Datasheet PDF File TPS544B25 PDF File

TPS544B25
TPS544B25

Overview
Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design TPS544C25, TPS544B25 SLUSC81 – MAY 2015 TPS544x25 4.
5-V to 18-V, 20-A and 30-A SWIFT™ Synchronous Buck Converters with PMBus™ and Frequency Synchronization 1 Features •1 PMBus 1.
2 Compliant Converters: 20 A and 30 A • Input Voltage Range: 4.
5 V to 18 V • Output Voltage Range: 0.
5 V to 5.
5 V • 5 mm × 7 mm LQFN Package • Single Thermal Pad • Integrated 5.
5-mΩ and 2.
0-mΩ Stacked NexFET™ Power Stage • 500-mV to 1500-mV Reference for Adapative Voltage Scaling (AVS) and Margining through PMBus • 0.
5% Reference Accuracy at 600 mV and Above • Lossless Low-Side MOSFET Current Sensing • Voltage Mode Control with Input Feed-Forward • Differential Remote Sensing • Monotonic Start-Up into Pre-Biased Output • Output Voltage and Output Current Reporting • External Temperature Monitoring with 2N3904 Transistor • Programmable via the PMBus interface – VOUT_COMMAND and AVS VOUT Transition Rate – Overcurrent Protection with Thermal Compensation – UVLO, Soft-Start and Soft-Stop – PGOOD, OV, UV, OT Levels – Fault Responses – Turn-On and Turn-Off Delays • Thermal Shutdown • Pin Strapping for Switching Frequency: 200 kHz to 1 MHz • Frequency Synchronization to an External Clock • Footprint Compatible 20-A, 30-A Converters 2 Applications • Test and Instrumentation • Ethernet Switches, Optical Switches, Routers, Base Stations • Servers • Enterprise Storage SSD • High-Density Power Solutions 3 Description The TPS544x25 devices are PMBus 1.
2 Compliant, non-isolated DC-DC converters with integrated FETs, capable of high-frequency operation and 20-A or 30-A current output from a 5 mm × 7 mm package.
Highfrequency, low-loss switching, provided by an integrated NexFET™ power stage and optimized drivers, allows for very high-density power solutions.
The PMBus interface enables the AVS through VOUT_COMMAND, flexible converter configuration, as well as key parameters monitoring including output...


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