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This user's guide describes the operational use of the TPS7B81EVM-025 evaluation module (EVM) as a
reference design for engineering demonstration and evaluation of the TPS7B8150QDRVRQ1 low-dropout
linear regulator (LDO). Included in this user's guide are setup and operating instructions, thermal and
layout guidelines, a printed circuit board (PCB) layout, a schematic diagram, and a bill of materials (BOM).
Throughout this document, the terms demonstration kit, evaluation board, and evaluation module are
synonymous with the TPS7B81EVM-025.
Table 1
lists the related documentation available through the Texas Instruments web site at www.ti.com.
SBVU051 – February 2019
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TPS7B81EVM-025 Evaluation module
Table 1. Related Documentation
Device
TPS7B81-Q1
Copyright © 2019, Texas Instruments Incorporated
Literature Number
SBVS370
TPS7B81EVM-025 Evaluation module
User's Guide
SBVU051 – February 2019
1
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Summary of Contents for Texas Instruments TPS7B81EVM-025
- Page 1 SBVU051 – February 2019 TPS7B81EVM-025 Evaluation module This user’s guide describes the operational use of the TPS7B81EVM-025 evaluation module (EVM) as a reference design for engineering demonstration and evaluation of the TPS7B8150QDRVRQ1 low-dropout linear regulator (LDO). Included in this user’s guide are setup and operating instructions, thermal and layout guidelines, a printed circuit board (PCB) layout, a schematic diagram, and a bill of materials (BOM).
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Page 2: Table Of Contents
Bottom Layer Routing ..................... TPS7B81EVM-025 Schematic List of Tables ..................... Related Documentation ....................TPS7B81EVM-025 BOM Trademarks All trademarks are the property of their respective owners. TPS7B81EVM-025 Evaluation module SBVU051 – February 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated... -
Page 3: Introduction
Introduction Texas Instruments' TPS7B81EVM-025 EVM helps design engineers evaluate the operation and performance of the TPS7B81-Q1 family of linear regulators for possible use in their own circuit application. This particular EVM configuration contains a single 150-mA high-voltage, ultralow-IQ, low-dropout regulator for automotive systems. -
Page 4: Evm Setup
EVM Setup www.ti.com EVM Setup This section describes how to properly connect and setup the TPS7B81EVM-025, including the jumpers and connectors on the EVM board. Input/Output Connectors and Jumper Descriptions 2.1.1 J1 – DIODE BYPASS Diode D1 bypass. To bypass diode D1, connect a jumper to short the two terminals of J1. -
Page 5: Soldering Guidelines
2. Enable the output by jumping J6 (the EN pin) to VIN. 3. Vary the respective load and input voltage, as necessary, for test purposes. SBVU051 – February 2019 TPS7B81EVM-025 Evaluation module Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated... -
Page 6: Pcb Layout
Figure 1 Figure 3 show the PCB layout for this EVM. Figure 1. Assembly Layer Figure 2. Top Layer Routing Figure 3. Bottom Layer Routing TPS7B81EVM-025 Evaluation module SBVU051 – February 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated... -
Page 7: Schematic
Schematic www.ti.com Schematic Figure 4 is the schematic for this EVM. Figure 4. TPS7B81EVM-025 Schematic SBVU051 – February 2019 TPS7B81EVM-025 Evaluation module Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated... -
Page 8: Tps7B81Evm-025 Bom
These assemblies must comply with workmanship standards IPC-A-610 Class 2. Unless otherwise noted in the Alternate Part Number or Alternate Manufacturer columns, all parts may be substituted with equivalents. TPS7B81EVM-025 Evaluation module SBVU051 – February 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated... - Page 9 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 10 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 11 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 12 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 13 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 14 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2019, Texas Instruments Incorporated...
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