Table of Contents
Advertisement
Quick Links
www.ti.com
User's Guide
TPS40074 Buck Controller Evaluation Module User's
Guide
1
Introduction.............................................................................................................................................................................2
1.1 Description.........................................................................................................................................................................
1.2
Applications........................................................................................................................................................................2
1.3 Features.............................................................................................................................................................................
2 TPS40074EVM-001 Electrical Performance Specifications................................................................................................
...............................................................................................................................................................................4
3.1 Adjusting Output Voltage (R5 and R6)...............................................................................................................................
3.2 Using Remote Sense (J3)..................................................................................................................................................
3.3 5V Input Operation (R10 and R15)....................................................................................................................................
Setup................................................................................................................................................................................6
4.1 Equipment..........................................................................................................................................................................
Setup................................................................................................................................................................7
4.3 Start-Up/Shutdown Procedure...........................................................................................................................................
4.4 Equipment Shutdown.........................................................................................................................................................
5.1
Efficiency............................................................................................................................................................................9
5.2 Line and Load Regulation..................................................................................................................................................
Materials.....................................................................................................................................................................13
8 Revision History...................................................................................................................................................................
Figure 3-1. TPS40074EVM-001 Power Stage/Control Schematic Reference Only, See Table 3 for Specific Values.................
Figure 4-1. TPS40074EVM-001 Recommended Test Setup.......................................................................................................
Figure 4-2. Output Ripple Measurement - Tip and Barrel using TP15 and TP16.......................................................................
Figure 5-1. TPS40074EVM-001 Efficiency V
Figure 5-2. TPS40074EVM-001 Line and Load Regulation - ±1% Window...............................................................................
Figure 6-3. TPS40074EVM-001 Top Copper (Viewed from Top)...............................................................................................
Figure 6-5. TPS40074EVM-001 Layer 3 (X-Ray View from Top)..............................................................................................
Figure 6-6. TPS40074EVM-001 Bottom Copper (X-Ray View from Top)..................................................................................
1V5_OUT
Trademarks
All trademarks are the property of their respective owners.
SLUU231A - JUNE 2006 - REVISED JANUARY 2022
Submit Document Feedback
Table of Contents
Layout.................................................................................................................................10
List of Figures
Top).................................................................................................10
List of Tables
With R14......................................................................................................................................
Materials.........................................................................................................................13
Copyright © 2022 Texas Instruments Incorporated
Curves...............................................................................9
1V5_OUT
Top).............................................................................10
Top)...............................................................................................11
Specifications.................................................................................2
TPS40074 Buck Controller Evaluation Module User's Guide
Table of Contents
= 0 A-15
A...................................9
2
2
2
5
5
5
6
8
8
9
14
4
7
8
9
11
12
12
5
1
Advertisement
Table of Contents
Related Manuals for Texas Instruments TPS40074EVM-001
Summary of Contents for Texas Instruments TPS40074EVM-001
-
Page 1: Table Of Contents
Materials..................................13 8 Revision History................................... List of Figures Figure 3-1. TPS40074EVM-001 Power Stage/Control Schematic Reference Only, See Table 3 for Specific Values....Figure 4-1. TPS40074EVM-001 Recommended Test Setup....................... Figure 4-2. Output Ripple Measurement – Tip and Barrel using TP15 and TP16............... -
Page 2: Introduction
TPS40074 in a given application. The EVM can be modified to support output voltages from 0.9 V to 3.3 V by changing a single resistor. The TPS40074EVM-001 has been built to the sample application used in the... -
Page 3: 12V_In = 10
TPS40074EVM-001 Electrical Performance Specifications Table 2-1. TPS40074EVM-001 Electrical and Performance Specifications (continued) PARAMETER NOTES AND CONDITIONS UNIT Full load efficiency = 1.5 V, I = 15 A = 10 V 12V_IN = 12 V 12V_IN = 14 V 12V_IN SLUU231A –... -
Page 4: Schematic
Schematic www.ti.com 3 Schematic Figure 3-1. TPS40074EVM-001 Power Stage/Control Schematic Reference Only, See Table 3 for Specific Values TPS40074 Buck Controller Evaluation Module User's Guide SLUU231A – JUNE 2006 – REVISED JANUARY 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 5: Adjusting Output Voltage (R5 And R6)
R6 to generate popular output voltages with R5 open R5 can be used to increase the accuracy that can be obtained without using more expensive resistors. The TPS40074EVM-001 is stable through these output voltages but the efficiency can suffer as the power stage is optimized for the 1.5-V output. -
Page 6: Test Setup
TP16 can be cut and opened to cradle the probe barrel. Using a leaded ground connection can induce additional noise due to the large ground loop area. TPS40074 Buck Controller Evaluation Module User's Guide SLUU231A – JUNE 2006 – REVISED JANUARY 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 7: Equipment Setup
Test Setup 4.2 Equipment Setup Figure 4-2 shows the basic recommended test setup to evaluate the TPS40074EVM-001. Note that although the return for J1 and J2 are the same, the connections should remain separate as shown in Figure 4-1. -
Page 8: Start-Up/Shutdown Procedure
1. Shut down the oscilloscope. 2. Shut down LOAD1. 3. Shut down V 12V_IN 4. Shut down FAN. TPS40074 Buck Controller Evaluation Module User's Guide SLUU231A – JUNE 2006 – REVISED JANUARY 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 9: Tps40074Evm Typical Performance Data And Characteristic Curves
1.505 1.495 I - Load Current - A Revision Tested A Figure 5-2. TPS40074EVM-001 Line and Load Regulation – ±1% Window SLUU231A – JUNE 2006 – REVISED JANUARY 2022 TPS40074 Buck Controller Evaluation Module User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 10: Evm Assembly Drawings And Layout
Figure 6-6 show the design of the TPS40074EVM-001 printed circuit board. The EVM has been designed using a 4-layer, 2-oz copper-clad circuit board 3.0 inch × 3.0 inch with all components on the top side to allow the user to easily view, probe, and evaluate the TPS40074 control IC in a practical application. -
Page 11: Figure 6-3. Tps40074Evm-001 Top Copper (Viewed From Top)
EVM Assembly Drawings and Layout Figure 6-3. TPS40074EVM-001 Top Copper (Viewed from Top) Figure 6-4. TPS40074EVM-001 Layer 2 (X-Ray View from Top) SLUU231A – JUNE 2006 – REVISED JANUARY 2022 TPS40074 Buck Controller Evaluation Module User's Guide Submit Document Feedback... -
Page 12: Figure 6-5. Tps40074Evm-001 Layer 3 (X-Ray View From Top)
EVM Assembly Drawings and Layout www.ti.com Figure 6-5. TPS40074EVM-001 Layer 3 (X-Ray View from Top) Figure 6-6. TPS40074EVM-001 Bottom Copper (X-Ray View from Top) TPS40074 Buck Controller Evaluation Module User's Guide SLUU231A – JUNE 2006 – REVISED JANUARY 2022 Submit Document Feedback... -
Page 13: List Of Materials
List of Materials 7 List of Materials Table 7-1 lists the EVM components as configured according to the schematic shown in Figure 3-1 Figure 4-1. Table 7-1. TPS40074EVM-001 Bill of Materials Count RefDes Description Size Part Number C1, C6 Capacitor, 470 μF, 16 V, 21 mΩ, 25%... -
Page 14: Revision History
Revision History www.ti.com Table 7-1. TPS40074EVM-001 Bill of Materials (continued) Count RefDes Description Size Part Number 4. Install Bumpons on back side(unpopulated side) of PCB. Install one in each corner after cleaning. 5. Ref designators marked with an * cannot be substituted. All other components can be substituted with equivalent components of MFG. - Page 15 STANDARD TERMS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms set forth herein.
- Page 16 www.ti.com Regulatory Notices: 3.1 United States 3.1.1 Notice applicable to EVMs not FCC-Approved: FCC NOTICE: This kit is designed to allow product developers to evaluate electronic components, circuitry, or software associated with the kit to determine whether to incorporate such items in a finished product and software developers to write software applications for use with the end product.
- Page 17 www.ti.com Concernant les EVMs avec antennes détachables Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à...
- Page 18 www.ti.com EVM Use Restrictions and Warnings: 4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS. 4.2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling or using the EVM, including without limitation any warning or restriction notices.
- Page 19 Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief in any United States or foreign court. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2019, Texas Instruments Incorporated...
- Page 20 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. TI objects to and rejects any additional or different terms you may have proposed. IMPORTANT NOTICE Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2022, Texas Instruments Incorporated...
Need help?
Do you have a question about the TPS40074EVM-001 and is the answer not in the manual?
Questions and answers