TPS544B20 DC/DC Integrated FET Converters

TI's 4.5-18 V, 20 A SWIFT™ with PMBus™ programmability and voltage, current and temperature monitoring

Image of Texas Instruments' TPS544B20 DC/DC Integrated FET Converters

Texas Instruments' TPS544B20 device is a PMBus-compatible, non-isolated DC-DC integrated FET converter, capable of high-frequency operation and delivering 20 A , or 30 A current output from a 5 × 7 mm package, enabling high-power density and fast transient performance with minimal PCB area. The PMBus interface provides for converter configuration as well as monitoring of key parameters including output voltage, current and an optional external temperature. High-frequency, low-loss switching, provided by an integrated NexFET power stage and optimized drivers, allows for very high-density power solutions and reduced inductor and filter capacitor sizes. Response to fault conditions can be set to either restart or latch off depending on system requirements.

  • PMBus-enabled converters: 20 A, 30 A
  • 4.5 to 18 V input, 0.6 to 5.5 V output
  • 5 × 7 mm LQFN package with 0.5 mm pitch
  • Single thermal pad
  • Integrated 4.5 mΩ and 2.0 mΩ stacked NexFET power stage
  • 600 mV, 0.5% reference
  • Lossless, low-side MOSFET current sensing
  • Selectable D-CAP and D-CAP2 mode control
  • Differential remote sensing
  • Monotonic start-up into pre-biased output
  • Output voltage margin and trim
  • Output voltage and current reporting
  • External temperature monitoring with 2N3904

TPS544B20 DC/DC Integrated FET Converter

ImageManufacturer Part NumberDescriptionFunctionOutput ConfigurationAvailable QuantityView Details
TPS544B20RVFT datasheet linkIC REG BUCK ADJ 20A SYNC 40LQFNTPS544B20RVFTIC REG BUCK ADJ 20A SYNC 40LQFNStep-DownPositive0TPS544B20RVFT product page link

Evaluation Board

ImageManufacturer Part NumberDescriptionMain PurposeOutputs and TypeAvailable QuantityView Details
TPS544B20EVM-634 datasheet linkEVAL BOARD BUCK REG TPS544B20TPS544B20EVM-634EVAL BOARD BUCK REG TPS544B20DC/DC, Step Down1, Non-Isolated3 - Immediate
24 - Factory Stock
TPS544B20EVM-634 product page link
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Published: 2014-07-29