Table of Contents
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2
2.1
2.2
2.3
3
4
Schematics and Bill of Materials
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Control Switch Diagram
2
Reverse Battery Protection Diode Bypass Jumper Settings
3
MSP430 Regulator Jumper Settings
2
4
I
C Interface Jumper Settings
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MSP430 Controller Schematic
1
Device and Package Configurations
2
SYNCH Frequency Select and Enable Switch Settings
3
Switched Regulator 1 Switch Setting
4
Switched Regulator 2 Switch Setting
5
Switched Linear Regulator Switch Setting
6
High-Side Driver Switch Setting
7
PowerPAD is a trademark of Texas Instruments.
SLVU349 - October 2009
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Copyright © 2009, Texas Instruments Incorporated
Contents
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List of Figures
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List of Tables
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User's Guide
SLVU349 - October 2009
TPS43331EVM
TPS43331EVM
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Related Manuals for Texas Instruments TPS43331EVM
Summary of Contents for Texas Instruments TPS43331EVM
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Page 1: Table Of Contents
Switched Regulator 2 Switch Setting ................Switched Linear Regulator Switch Setting ................... High-Side Driver Switch Setting ..................TPS43331EVM Bill of Materials PowerPAD is a trademark of Texas Instruments. SLVU349 – October 2009 TPS43331EVM Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated... -
Page 2: Introduction
Introduction www.ti.com Introduction The Texas Instruments TPS43331EVM evaluation module (EVM) helps designers evaluate the operation and performance of the TPS43331 Switch Mode Power Supply – Multiple-output voltage regulator. Table 1. Device and Package Configurations CONVERTER PACKAGE TPS43331QDAPRQ1 DAP-38 Setup This section describes the jumpers and connectors on the EVM as well and how to properly connect, set up and use the TPS43331EVM. -
Page 3: Setup
EVM. All regulators (except for the standby regulator) are disabled if Switcher 1 is disabled. Table 3. Switched Regulator 1 Switch Setting Switcher 1 SW1EN Disabled Position 1 Enabled Position 2 SLVU349 – October 2009 TPS43331EVM Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated... - Page 4 EMC testing using the procedure listed under the SYNCH jumper settings, but power must be supplied to the MSP430. enabled disabled Figure 3. MSP430 Regulator Jumper Settings TPS43331EVM SLVU349 – October 2009 Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated...
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Page 5: Operation
This must be soldered to the copper landing on the PCB for optimal performance. The PCB provides 1-oz copper planes on the top and bottom to dissipate heat. SLVU349 – October 2009 TPS43331EVM Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated... -
Page 6: Top Assembly Layer
Board Layout www.ti.com Figure 5. Top Assembly Layer Figure 6. Top Layer Routing TPS43331EVM SLVU349 – October 2009 Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated... -
Page 7: Bottom Assembly Layer
Board Layout www.ti.com Figure 7. Bottom Assembly Layer Figure 8. Bottom Layer Routing SLVU349 – October 2009 TPS43331EVM Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated... -
Page 8: Internal Power Plane Layer
Board Layout www.ti.com Figure 9. Internal Power Plane Layer Figure 10. Internal Ground Plane Layer TPS43331EVM SLVU349 – October 2009 Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated... -
Page 9: Tps43331Evm Schematic
Schematics and Bill of Materials www.ti.com Schematics and Bill of Materials Figure 11. TPS43331EVM Schematic SLVU349 – October 2009 TPS43331EVM Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated... - Page 10 Schematics and Bill of Materials www.ti.com Figure 12. MSP430 Controller Schematic TPS43331EVM SLVU349 – October 2009 Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated...
- Page 11 Schematics and Bill of Materials www.ti.com Table 7. TPS43331EVM Bill of Materials COUNT REF DES DESCRIPTION SIZE PART NUMBER 10mm x Capacitor, electrolytic, 470mF, 50V, 20% Panasonic ECA-1HHG471 20mm C2, C11 Capacitor, ceramic, 100pF, 50V, 5% muRata GRM1885C1H101JA01D C3, C5, C8, C10, C21, Capacitor, ceramic, 0.1mF, 50V, 10%...
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Page 12: Tps43331Evm Bill Of Materials
Schematics and Bill of Materials www.ti.com Table 7. TPS43331EVM Bill of Materials (continued) COUNT REF DES DESCRIPTION SIZE PART NUMBER Resistor, chip, 150-kΩ, 1/10W, 1% Panasonic ERJ-3EKF1503V R25, R33 Resistor, chip, 29.4-kΩ, 1/10W, 1% Panasonic ERJ-3EKF2942V Resistor, chip, 698-kΩ, 1/10W, 1%... - Page 13 EVALUATION BOARD/KIT IMPORTANT NOTICE Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling the product(s) must have electronics training and observe good engineering practice standards.
- Page 14 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.
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