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  • TPS7B4255EVM-062 Evaluation Module

    • SLVUCA5 June   2022

       

  • CONTENTS
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  • TPS7B4255EVM-062 Evaluation Module
  1.   Abstract
  2.   Trademarks
  3. 1Introduction
    1. 1.1 Before You Begin
  4. 2TPS7B4255EVM-062 Schematic
  5. 3Setup
    1. 3.1 LDO Input/Output Connector Descriptions
      1. 3.1.1 VIN and GND
      2. 3.1.2 VOUT and GND
      3. 3.1.3 EN
    2. 3.2 Optional Load Transient Input/Output Connector Descriptions
      1. 3.2.1 VDD and GND
      2. 3.2.2 J15
      3. 3.2.3 J18
      4. 3.2.4 J19
      5. 3.2.5 J21
      6. 3.2.6 J22
      7. 3.2.7 J23
      8. 3.2.8 J26
      9. 3.2.9 TP3
    3. 3.3 TPS7B4255-Q1 LDO Operation and Component Selection
    4. 3.4 Optional Load Transient Circuit Operation
  6. 4Board Layout
  7. 5Bill of Materials
  8. IMPORTANT NOTICE
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USER'S GUIDE

TPS7B4255EVM-062 Evaluation Module

Abstract

Figure 1-1 TPS7B4255EVM-062 Evaluation Module

This user's guide describes the operational use of the TPS7B4255EVM-062 evaluation module (EVM) as a reference design for engineering demonstration and evaluation of the TPS7B4255-Q1 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 evaluation board, evaluation module, and EVM are synonymous with the TPS7B4255EVM-062.

Trademarks

LeCroy™ is a trademark of Teledyne LeCroy.

Kapton® is a registered trademark of DuPont.

All trademarks are the property of their respective owners.

1 Introduction

The Texas Instruments' TPS7B4255EVM-062 evaluation module (EVM) helps designers evaluate the operation and performance of the TPS7B4255-Q1 LDO voltage regulator. As shown in Table 1-1, the TPS7B4255EVM-062 contains one TPS7B4255-Q1 LDO voltage regulator in the SCT-595 package. An optional load transient circuit is also included to assist the user with high-speed load transient testing. To simplify current measurements, an input current loop is included.

Table 1-1 Device Information
EVM ORDERABLE NUMBER VOUT PART NAME PACKAGE
TPS7B4255EVM-062 Adjustable - tracking TPS7B4255QDYBRQ1 5-pin SCT-595

1.1 Before You Begin

This evaluation module is not encapsulated and has exposed terminals with voltages that are connected to the main power supply. The following warnings are noted for the safety of anyone using or working close to the TPS7B4255EVM-062. Observe all safety precautions.

WARNING:

Failure to adhere to these steps or to not heed the safety requirements at each step may lead to shock, injury, and damage to the hardware. Texas Instruments is not responsible or liable in any way for shock, injury, or damage caused by negligence or failure to heed advice. If you are not trained in the proper safety of handling and testing power electronics please do not test this evaluation module.

CAUTION:
GUID-53AF7A2C-AC3E-4B8A-B01A-98E9E4DEC5F1-low.gif
Caution! Do not leave EVM powered when unattended.
HOT SURFACE:
GUID-FC2AE332-5E76-422B-91C8-8CE9D1BE85DF-low.gif
Caution Hot Surface! Contact may cause burns. Do not touch. Please take the proper
precautions when operating.

 
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