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reference designTPS544C25 | Demoboard TPS544C25EVM-681

Texas Instruments TPS544C25 | Demoboard TPS544C25EVM-681

TPS544B25EVM-681 and TPS544C25EVM-681, Single Output DC-to-DC Converters with PMBus Interface

Overview

TopologyBuck Converter
Input voltage4.5-18 V
Output 10.95 V / 30 A
IC revisionB

Description

The TPS544C25EVM-681 evaluation module (EVM) is designed as a single output DC-DC converter that demonstrates a typical low-voltage application while providing a number of test points to evaluate the performance. It uses a nominal 12-V input bus to produce a regulated 0.95-V output at up to 30-A of load current, depending on the device installed.If a designer wants to communicate with this EVM from a Windows-based PC, a separate USB Interface Adapter EVM is required. The USB-TO-GPIO Adapter serves as an interface adapter or a bridge between a host PC (IBM compatible) and one or multiple slave devices via a standard type-A to mini-B USB cable. The USB-TO-GPIO Adapter is listed below in the related products section

Features

  • Regulated 0.95-V output up to 30-ADC, steady-state output current
  • Configuarable features via the PMBus interface include:– Programmable Output Voltage via the PMBus Interface– Programmable UVLO, Soft Start, and Enable via the PMBus Interface– Programmable Overcurrent Warning, Fault Limits and Programmable Response to Faults via thePMBus Interface– Programmable Overvoltage, Undervoltage Warning, Fault Limit and Programmable Response toFaults via the PMBus Interface– Programmable external Overtemperature Warning, Fault Limit and Programmable Response toFaults via the PMBus Interface
  • Convenient Test Points for Probing Critical Waveforms
  • Optional External Temperature Sensor

Typical applications

  • Servers and Computing Equipment
  • Smart Power Systems
  • Communications Equipment
  • High-Density Power Solutions

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
C
Tol. C
VR(V (DC))
Size
Operating Temperature
DF(%)
RISO
Ceramic Type
L(mm)
W(mm)
H(mm)
Fl(mm)
Packaging
L(nH)
LR(nH)
IR(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
Material
Pins
Version
Type
Mount
Working Voltage(V (AC))
SamplesAvailability & Sample
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885012109014
SPECWCAP-CSGP MLCCs 25 V(DC), 22 µF, ±20%
Simu­lation
Availability
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 25 V(DC)
Capacitance22 µF
Capacitance±20% 
Rated Voltage25 V (DC)
Size1210 
Operating Temperature -55 °C up to +85 °C
Dissipation Factor10 %
Insulation Resistance0.005 GΩ
Ceramic TypeX5R Class II 
Length3.2 mm
Width2.5 mm
Height2.5 mm
Pad Dimension0.6 mm
Packaging7" Tape & Reel 
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885012109004
SPECWCAP-CSGP MLCCs 6.3 V(DC), 100 µF, ±20%
Simu­lation
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 6.3 V(DC)
Capacitance100 µF
Capacitance±20% 
Rated Voltage6.3 V (DC)
Size1210 
Operating Temperature -55 °C up to +85 °C
Dissipation Factor10 %
Insulation Resistance0.001 GΩ
Ceramic TypeX5R Class II 
Length3.2 mm
Width2.5 mm
Height2.5 mm
Pad Dimension0.6 mm
Packaging7" Tape & Reel 
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744301047
SPECWE-HCM SMT High Current Flat Wire Inductor, –, –

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

Simu­lation
Availability
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCM SMT High Current Flat Wire Inductor
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Size1190 
Operating Temperature -40 °C up to +125 °C
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Length11.3 mm
Width11 mm
Height8.9 mm
Pad Dimension2.2 mm
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Inductance470 nH
Rated Inductance240 nH
Rated Current38 A
Saturation Current @ 10%32.1 A
Saturation Current @ 30%36.1 A
DC Resistance0.32 mΩ
Self Resonant Frequency20 MHz
MaterialMnZn 
Pins2 
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MountSMT 
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61201021621
SPECWR-BHD 2.54 mm Male, –, –

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

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Downloads7 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-BHD 2.54 mm Male
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Operating Temperature -40 °C up to +105 °C
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Insulation Resistance1000 MΩ
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Length20.36 mm
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PackagingTray 
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Rated Current3 A
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Pins10 
VersionLow Profile 
TypeStraight 
MountTHT 
Working Voltage250 V (AC)
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61300211121
SPECWR-PHD Pin Header - Single, –, –
Simu­lation–
Availability
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Downloads7 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Single
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Operating Temperature -40 °C up to +105 °C
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Insulation Resistance1000 MΩ
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Length5.08 mm
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PackagingBag 
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Rated Current3 A
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Pins2 
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TypeStraight 
MountTHT 
Working Voltage250 V (AC)
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