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Test Results

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Test Results

This section provides typical performance waveforms for the LM5066IEVM-626 with VIN = 48 V at no load
(unless otherwise specified). Actual performance data is affected by measurement techniques and
environmental variables; therefore, these curves are presented for reference and may differ from actual
results obtained.

Figure 1. Startup Waveform

Figure 2. Startup into Short Performance

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SNVU444 – May 2014

LM5066IEVM-626 Evaluation Module (EVM)

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Copyright © 2014, Texas Instruments Incorporated

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Содержание LM5066I EVM

Страница 1: ... Steps 11 6 2 Device Evaluation 11 6 3 GUI Event Log 13 6 4 Plotting Telemetry Data 14 6 5 Configuring the LM5066I Device 14 6 6 Customizing the Design 16 7 Layout Guidelines 18 8 Board Layout 20 9 Bill of Materials 23 List of Figures 1 Startup Waveform 7 2 Startup into Short Performance 7 3 Overvoltage Performance 8 4 Undervoltage Waveform 8 5 Overload Performance 9 6 Load Transient into Overload...

Страница 2: ... 2 21 22 Bottom Layer 22 List of Tables 1 LM5066IEVM 626 Electrical and Performance Specifications at 25 C 3 2 Connector Functionality 5 3 Test Points 5 4 Switches 6 5 LM5066IEVM 626 BOM 23 2 LM5066IEVM 626 Evaluation Module EVM SNVU444 May 2014 Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 3: ...age protection Programmable power good indicator Programmable auto retry or latch options Fully Node Manager 2 0 and 2 5 compliant with I2 C SMBus interface and PMBus compliant command structure Real time monitoring of VIN VOUT IIN PIN and VAUX with 12 bit resolution and 1 kHz sampling rate 1 2 Applications Any live backplane insertion application Servers Telecommunications 1 3 Electrical Specific...

Страница 4: ... SMBA_ISO SDA_ISO SCL_ISO SDA_ISO SMBA_ISO CTRL1_ISO CTRL2_ISO PGOOD_ISO SCL_ISO SDA_ISO SMBA_ISO CTRL1_ISO CTRL2_ISO FB OUT SDA_ISO SCL_ISO SMBA_ISO VDD RETRYB CL ADR0 ADR1 ADR2 GATE SENSE VINK VIN 100 V D1 1N4148W 7 F Q2 10 kΩ R1 GATE TP4 TP9 VIN 35 to 60 V GND VIN VINK SENSEK SENSE GATE VOUT_S VOUT FB VOUT GND PG TIMER VREF VAUX EN OVLO GND SDA SCL SMBA VIN_GND GND VOUT_GND VDD RETRYB CL ADR0 A...

Страница 5: ...INK Positive supply Kelvin sense pin on sense resistor TP3 SENSEK Sense Kelvin sense pin on sense resistor TP4 SENSEK Sense pin test point TP5 GATE Gate drive output TP6 VOUT_S Output voltage at the pass FET TP7 VOUT Output voltage at the load TP8 FB Power Good feedback TP9 PG Power Good indicator TP10 TIMER Timing capacitor voltage TP11 VREF Internal reference voltage TP12 VAUX Auxiliary ADC inpu...

Страница 6: ...input voltage 2 Turn the power supply off 3 Connect the positive voltage lead from the power supply to J1 VIN Connect the ground lead form the power supply to J2 GND 4 Place a voltmeter or oscilloscope probe across J3 and J4 VOUT 4 Operation 1 Turn on the power supply 2 Enable S1 ON 3 Vary the input voltage and add load current as necessary for test purposes 4 Apply fault conditions to observe fau...

Страница 7: ...performance data is affected by measurement techniques and environmental variables therefore these curves are presented for reference and may differ from actual results obtained Figure 1 Startup Waveform Figure 2 Startup into Short Performance 7 SNVU444 May 2014 LM5066IEVM 626 Evaluation Module EVM Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 8: ...lts www ti com Figure 3 Overvoltage Performance Figure 4 Undervoltage Waveform 8 LM5066IEVM 626 Evaluation Module EVM SNVU444 May 2014 Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 9: ...esults Figure 5 Overload Performance Figure 6 Load Transient into Overload Performance 9 SNVU444 May 2014 LM5066IEVM 626 Evaluation Module EVM Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 10: ...w ti com Figure 7 Hot Short on Vout Zoomed Out Figure 8 Hot Short on Vout Zoomed In 10 LM5066IEVM 626 Evaluation Module EVM SNVU444 May 2014 Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 11: ...o minimize voltage transients which occur when the load current changes or is shut off If the user is not careful wiring inductance in the supply lines will generate a voltage transient at the input which can exceed the absolute maximum rating of the LM5066I resulting in its destruction To protect against such voltage transients TVS device D2 is provided to clamp the voltage at the input to within...

Страница 12: ... of the device as shown in Figure 11 The block level view of the device provides a display of all the telemetry data as well as most of the faults and warnings supported by the device The faults and warnings supported are generally associated with an invalid input or output condition The faults shown on the left side of the block representation are generally associated with the input These include...

Страница 13: ... of telemetry information To enable or disable specific telemetry click the Display Options button on the block representation and choose the desired telemetry to display see Figure 12 Figure 12 LM5066I Telemetry Display Options Note that turning off the various warning options does not mask the faults from issuing an SMBus alert by turning off warning options the selected warnings are just not di...

Страница 14: ...a is plotted as a black line that continually updates as the device is queried In addition to the telemetry data the relevant warning and fault thresholds are also plotted Warning thresholds are shown as orange lines while fault thresholds are shown in red and blue From the Plot menu option in the main menu bar the user can disable the plotting grid and the warning and fault lines 6 5 Configuring ...

Страница 15: ...www ti com Getting Started Figure 14 Device Configuration Panel 15 SNVU444 May 2014 LM5066IEVM 626 Evaluation Module EVM Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 16: ...limit can be set to either 26 mV CL VDD or 50 mV CL GND The circuit breaker threshold can also be set in software to either 1 9 or 3 9 the current limit value through the software Fault masking is possible for many of the device fault conditions Fault conditions allow masking of both the MOSFET response and the SMBus alert signal Note that if a fault occurs repeatedly while the MOSFET is masked da...

Страница 17: ...ss pins of the device need to be configured to achieve a desired address After the ADR pin switches are configured for a particular address power to the device needs to be cycled and the GUI restarted in order for the new address to take effect When invalid or incorrect inputs are given to the design tool text associated with the faulty input turns red Positioning the mouse cursor over the red tex...

Страница 18: ...to VIN_K and SENSE pins respectively Connect RS using the Kelvin techniques shown in Figure 16 7 The high current path from the board s input to the load through Q1 and the return path should be parallel and close to each other to minimize loop inductance 8 The AGND and GND connections should be connected at the pins of the device The ground connections for the various components around the LM5066...

Страница 19: ...VOLTAGE TO DRAIN OF MOSFET Q1 HIGH CURRENT PATH VIN www ti com Layout Guidelines Figure 17 Sense Resistor Connections 19 SNVU444 May 2014 LM5066IEVM 626 Evaluation Module EVM Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 20: ...Layout www ti com 8 Board Layout Figure 18 Top Assembly Figure 19 Top Layer 20 LM5066IEVM 626 Evaluation Module EVM SNVU444 May 2014 Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 21: ...ti com Board Layout Figure 20 Internal Layer 1 Figure 21 Internal Layer 2 21 SNVU444 May 2014 LM5066IEVM 626 Evaluation Module EVM Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 22: ...Board Layout www ti com Figure 22 Bottom Layer 22 LM5066IEVM 626 Evaluation Module EVM SNVU444 May 2014 Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 23: ...1 J2 J3 J4 4 Standard Banana Jack 575 8 Keystone Uninsulated 8 9mm Electronics J5 1 Header 5x2 100mil R A TH Header 5x2 TSW 105 08 G D Samtec 100mil R A RA Q1 Q3 2 100V MOSFET N CH 100V 120A DDPAK PSMN4R8 100BSEJ NXP DDPAK Semiconductor Q2 1 0 5V Transistor PNP 150V 0 5A SOT 23 MMBT5401LT1G ON SOT 23 Semiconductor Q4 1 0 2V Transistor NPN 40V 0 2A SOT 23 CMPT3904 LEAD Central SOT 23 FREE Semicondu...

Страница 24: ...st Point TH Miniature White 5002 Keystone TP5 TP6 TP7 TP8 Electronics TP9 TP10 TP11 TP12 TP13 TP14 TP15 TP16 TP17 TP18 TP19 TP20 TP21 TP22 TP23 TP24 TP25 TP26 TP27 U1 1 LM5066I A High Voltage System PWP0028A LM5066IPWP Texas Power Management and Instruments Protection IC with PMBus PWP0028A C6 0 1000pF CAP CERM 1000pF 100V 0603 06031C102JAT2A AVX 5 X7R 0603 FID1 FID2 FID3 0 Fiducial mark There is ...

Страница 25: ...ndling and use of EVMs and if applicable compliance in all respects with such laws and regulations 10 User has sole responsibility to ensure the safety of any activities to be conducted by it and its employees affiliates contractors or designees with respect to handling and using EVMs Further user is responsible to ensure that any interfaces electronic and or mechanical between EVMs and any human ...

Страница 26: ...This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at its own expense FCC Interference Statement ...

Страница 27: ...érieur au gain maximal indiqué sont strictement interdits pour l exploitation de l émetteur Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2014 Texas Instruments Incorporated spacer Important Notice for Users of EVMs Considered Radio Frequency Products in Japan EVMs entering Japan are NOT certified by TI as conforming to Technical Regulations of Radio Law of ...

Страница 28: ...esponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related information or support that may be provided by TI Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failur...

Страница 29: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments LM5066IEVM 626 ...

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