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TPS544C27

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4V to 16V input, 35A, PMBus and SVID synchronous step-down converter

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Data sheet

TPS544C27

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Data sheet Order now

Product details

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 35 Vin (min) (V) 2.7 Vin (max) (V) 16 Switching frequency (min) (kHz) 400 Switching frequency (max) (kHz) 2000 Features Adaptive/Dynamic Voltage Scaling, Adjustable current limit, Differential Remote Sense, Enable, Extended security, Forced PWM, Light load efficiency, Over Current Protection, PMBus, Power good, Pre-Bias Start-Up, SVID, Soft Start Adjustable, Synchronous Rectification, Telemetry, UVLO adjustable, VID Interface, Voltage Margining Control mode D-CAP+ Vout (min) (V) 0.25 Vout (max) (V) 5.5 Iq (typ) (µA) 9000 Duty cycle (max) (%) 80
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 35 Vin (min) (V) 2.7 Vin (max) (V) 16 Switching frequency (min) (kHz) 400 Switching frequency (max) (kHz) 2000 Features Adaptive/Dynamic Voltage Scaling, Adjustable current limit, Differential Remote Sense, Enable, Extended security, Forced PWM, Light load efficiency, Over Current Protection, PMBus, Power good, Pre-Bias Start-Up, SVID, Soft Start Adjustable, Synchronous Rectification, Telemetry, UVLO adjustable, VID Interface, Voltage Margining Control mode D-CAP+ Vout (min) (V) 0.25 Vout (max) (V) 5.5 Iq (typ) (µA) 9000 Duty cycle (max) (%) 80
WQFN-FCRLF (VBD) 33 20 mm² 5 x 4
  • Single chip power supply for SVID rails
  • Intel VR14 and VR13 compliant
  • VR14.Cloud compliant with telemetry level 2 and security level 2
  • PMBus 1.5 interface with NVM for configuration, telemetry (V/I/T) and fault reporting
  • Input voltage: 4V to 18V
  • Output voltage: 0.25V to 5.5V
  • Supports external 5V bias improving efficiency and enabling 2.7V minimum input voltage
  • Output current: 35A continuous and 40A peak
  • Cycle-by-cycle valley IOUT OCF limit programmable up to 40A
  • Input power monitoring (PIN sense)
  • Programmable DCM or FCCM operation
  • Switching frequency: 400kHz to 2MHz
  • Programmable internal loop compensation including droop (DC Load Line)
  • Programmable soft-start time from 0.5ms to 16ms
  • Programmable soft-stop time from 0.5ms to 4ms
  • Programmable output voltage slew rate: 0.625mV/µs to 25mV/µs
  • Programmable VIN UVLO, VOUT OVF/UVF, and OTF
  • Safe start-up into prebiased outputs
  • Precision voltage reference and differential remote sense for high output accuracy
    • ±0.5% tolerance from 0°C to 85°C junction
    • ±1% tolerance from –40°C to 125°C junction
  • Analog output current output pin (IMON)
  • D-CAP+™ control topology with fast transient response
  • Open-drain power-good output (VRRDY)
  • Single chip power supply for SVID rails
  • Intel VR14 and VR13 compliant
  • VR14.Cloud compliant with telemetry level 2 and security level 2
  • PMBus 1.5 interface with NVM for configuration, telemetry (V/I/T) and fault reporting
  • Input voltage: 4V to 18V
  • Output voltage: 0.25V to 5.5V
  • Supports external 5V bias improving efficiency and enabling 2.7V minimum input voltage
  • Output current: 35A continuous and 40A peak
  • Cycle-by-cycle valley IOUT OCF limit programmable up to 40A
  • Input power monitoring (PIN sense)
  • Programmable DCM or FCCM operation
  • Switching frequency: 400kHz to 2MHz
  • Programmable internal loop compensation including droop (DC Load Line)
  • Programmable soft-start time from 0.5ms to 16ms
  • Programmable soft-stop time from 0.5ms to 4ms
  • Programmable output voltage slew rate: 0.625mV/µs to 25mV/µs
  • Programmable VIN UVLO, VOUT OVF/UVF, and OTF
  • Safe start-up into prebiased outputs
  • Precision voltage reference and differential remote sense for high output accuracy
    • ±0.5% tolerance from 0°C to 85°C junction
    • ±1% tolerance from –40°C to 125°C junction
  • Analog output current output pin (IMON)
  • D-CAP+™ control topology with fast transient response
  • Open-drain power-good output (VRRDY)

The TPS544C27 device is highly integrated buck converter with D-CAP+ control topology for fast transient response. All programmable parameters can be configured by the PMBus interface and stored in non-volatile memory (NVM) as the new default values to minimize the external component count. These features make the device well-designed for space-constrained applications.

The TPS544C27 device is designed to work with Intel CPUs and fits well for single-phase, low-to-mid current SVID rails in the Intel server and SoC platforms requiring VR13, VR14, or VR14.Cloud compliance.

Fault management and status reports for the overcurrent fault (OCF), VOUT overvoltage fault (OVF), undervoltage fault (UVF), and overtemperature fault are provided on the device. The TPS544C27 device provides a full set of telemetry, including output voltage, output current, and device temperature.

TPS544C27 is a lead-free device and is RoHS compliant without exemption.

The TPS544C27 device is highly integrated buck converter with D-CAP+ control topology for fast transient response. All programmable parameters can be configured by the PMBus interface and stored in non-volatile memory (NVM) as the new default values to minimize the external component count. These features make the device well-designed for space-constrained applications.

The TPS544C27 device is designed to work with Intel CPUs and fits well for single-phase, low-to-mid current SVID rails in the Intel server and SoC platforms requiring VR13, VR14, or VR14.Cloud compliance.

Fault management and status reports for the overcurrent fault (OCF), VOUT overvoltage fault (OVF), undervoltage fault (UVF), and overtemperature fault are provided on the device. The TPS544C27 device provides a full set of telemetry, including output voltage, output current, and device temperature.

TPS544C27 is a lead-free device and is RoHS compliant without exemption.

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Type Title Date
* Data sheet TPS544C27 4V to 18 V Input, 35 A, Buck Converter With SVID and PMBus® datasheet PDF | HTML 31 Jul 2024
EVM User's guide TPS544C27EVM 4V to 18V, 35A Step-Down Converter Evaluation Module PDF | HTML 18 Jun 2024

Design & development

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Evaluation board

TPS544C27EVM — TPS544C27 evaluation module

The TPS544C27EVM is an evaluation module for the TPS544C27 DC/DC synchronous buck converter with a digital PMBus and a series voltage identification (SVID) interface to accommodate Intel processors. The evaluation module accepts an 8V to 16V input and can deliver an output current up to 35A. The (...)
User guide: PDF | HTML
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Evaluation board

USB-TO-GPIO2 — USB-TO-GPIO2 USB interface adapter evaluation module

This EVM serves as an interface adapter or a bridge between a host PC and one or multiple targeted devices through a standard type-A to mini-B USB cable. The communication between the USB interface adapter and the host PC is via USB, while the communication between the USB interface adapter and (...)
User guide: PDF | HTML
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Design tool

TPS544C27-DESIGN — TPS544C27 Mysecure

TPS544C27 Mysecure folder
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AC/DC & DC/DC converters (integrated FET)
TPS544C27 — 4V to 16V input, 35A, PMBus and SVID synchronous step-down converter
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WQFN-FCRLF (VBD) 33 Ultra Librarian
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