Advertisement
Quick Links
Advertisement
Subscribe to Our Youtube Channel
Related Manuals for Texas Instruments AN-2241
Summary of Contents for Texas Instruments AN-2241
- Page 1 AN-2241 SM72445 Evaluation Board User's Guide Literature Number: SNVA649 May 2012...
-
Page 2: Table Of Contents
Contents ........................Introduction ........................ System Overview ..............SM72445 Evaluation module Design Specification .......................... Schematic ........................Bill of Material Table of Contents SNVA649 – May 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated... - Page 3 Load Connect and Stand-By Sequence After Start-Up ......................Circuit Schematic ....................Top Assembly Diagram ....................Bottom Assembly Diagram All trademarks are the property of their respective owners. SNVA649 – May 2012 List of Figures Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...
- Page 4 DC/DC conversion is not needed and during failure of the DC/DC converter (over-current protection, over-temperature, and so forth). The board also includes auxiliary circuits such as driver, current sensor, temperature sensor and additional OVP circuitry. AN-2241 SM72445 Evaluation Board SNVA649 – May 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...
-
Page 5: Introduction
PWM signal sense Curr. Out current sense Sense amp. SM72445 Comparator Protection trigger Protection trigger Temp. sensor Figure 1. Evaluation Board Simplified Diagram SNVA649 – May 2012 AN-2241 SM72445 Evaluation Board Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated... -
Page 6: Sm72445 Evaluation Module Design Specification
Figure 2. Panel Mode Operation Using Converter's FET (“Boost” waveform is taken at drain of Q3, “Buck” waveform was taken at drain of Q4.) AN-2241 SM72445 Evaluation Board SNVA649 – May 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated... - Page 7 DC Electronic load for example, MPPT will be enabled only after the “PM mode” timer expires after an additional period of 64 seconds. Figure 4. Start-Up Pattern With Unloaded Output SNVA649 – May 2012 AN-2241 SM72445 Evaluation Board Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...
- Page 8 The following sequence can be used to verify the operation of the board: AN-2241 SM72445 Evaluation Board SNVA649 – May 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...
-
Page 9: Schematic
Vary Electronic load current and verify that the SAS is operating at Maximum Power Point in step-up (lower load current) and step-down (higher load current) operation. Schematic Figure 6. Circuit Schematic SNVA649 – May 2012 AN-2241 SM72445 Evaluation Board Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated... - Page 10 Schematic www.ti.com Figure 7. Top Assembly Diagram AN-2241 SM72445 Evaluation Board SNVA649 – May 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...
-
Page 11: Bill Of Material
Bill of Material www.ti.com Figure 8. Bottom Assembly Diagram Bill of Material SNVA649 – May 2012 AN-2241 SM72445 Evaluation Board Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated... - Page 12 RES, 10.0 Ω, 1%, 1W, 1218 SMD Vishay-Dale CRCW121810R0FKEK RES, 4.22k Ω, 1%, 0.1W, 0603 Vishay-Dale CRCW06034k22FKEA RES, 1.0 Ω, 1%, 0.1W, 0603 Panasonic ERJ3RQF1R0V AN-2241 SM72445 Evaluation Board SNVA649 – May 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...
- Page 13 Range Amplifier Dual Micropower Rail-To-Rail Input CMOS National Semiconductor SM72375 Comparator with Open Drain Output Dual 5A Compound Gate Driver National Semiconductor SM72482 SNVA649 – May 2012 AN-2241 SM72445 Evaluation Board Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...
- Page 14 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue.
- Page 15 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments SM72445EVM/NOPB...
Need help?
Do you have a question about the AN-2241 and is the answer not in the manual?
Questions and answers