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TI TPS544B25RVFRRoHS

Manufacturer
TI
MPN
TPS544B25RVFR
LCSC Part #
C5219402
Packaging
LQFN-40-CLIP(5x7)
Customer #
Key Attributes
4.5V to 18V, 20A and 30A SWIFT Synchronous Buck Controllers with PMBus and Frequency Synchronization
Datasheetpdf iconTI TPS544B25RVFR
In-Stock: 87
87 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 5.2761$ 5.28
10+$ 5.0227$ 50.23
30+$ 4.8683$ 146.05
100+$ 4.7383$ 473.83
Standard Packaging2500/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerTI
PackagingLQFN-40-CLIP(5x7)
Operating Temperature-40℃~+125℃@(TJ)
Frequency - Switching200kHz~1MHz;425kHz~575kHz
Number of Outputs1
FunctionStep-down type
FeaturesAdjustable current limiting;Adjustable soft-start;Frequency synchronization;Output voltage differential sensing;Overcurrent Protection;Operating status indication
Output TypeAdjustable
TopologyBuck
Operating Voltage4.5V~18V
Switch tube (built-in/external)Built-in
Output Current20A
Output Voltage500mV~5.5V
Quiescent Current9.5mA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

The TPS544x25 device is a non-isolated DC/DC converter in a 5mm×7mm package that complies with the PMBus 1.2 specification. It features integrated FETs and can operate at high frequencies, delivering an output current of 20A or 30A. The integrated NexFET power stage and optimized drivers provide high-frequency, low-loss switching, enabling highly dense power supply solutions. The PMBus interface supports the AVS function through VOUT_COMMAND, and also enables flexible converter configuration and monitoring of key parameters, including output voltage, current, and optional external temperature. The response to fault conditions can be set to restart, latch, or ignore, depending on system requirements.

Features

AI Translation
  • PMBus 1.2 compliant converter: 20A and 30A
  • Input voltage range: 4.5V to 18V
  • Output voltage range: 0.5V to 5.5V
  • 5mm×7mm LQFN package
  • Single thermal pad
  • Integrated 5.5mΩ and 2.0mΩ stacked NexFET power stage
  • 500mV to 1500mV reference voltage for AVS and margining via PMBus, 0.5% accuracy at ≥600mV
  • Lossless low-side MOSFET current sensing
  • Voltage mode control with input feedforward
  • Differential remote sensing
  • Single start-up to pre-biased output
  • Output voltage and output current reporting
  • External temperature sensing transistor using 2N3904
  • PMBus-programmable VOUT_COMMAND and AVS VOUT slew rate
  • Overcurrent protection with thermal compensation
  • UVLO, soft-start, and soft-stop
  • PGOOD, OV, UV, OT fault response
  • Turn-on and turn-off delay
  • Thermal shutdown
  • Pin-selectable switching frequency: 200kHz to 1MHz
  • Synchronization to external clock frequency
  • Package-compatible 20A and 30A converters

Applications

AI Translation
  • Test and measurement instruments
  • Ethernet switches, optical switches, routers, base stations
  • Servers
  • Enterprise-grade storage SSDs
  • High-density power solutions