Texas Instruments TLV841EVM User Manual

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User's Guide
TLV841EVM Voltage Supervisor User Guide
Ben Chan
This user guide describes the TLV841EVM evaluation module (EVM). This guide contains the EVM schematic,
bill of materials (BOM), assembly drawing, and top and bottom board layouts.
1 Introduction.............................................................................................................................................................................2
1.1 Related Documentation......................................................................................................................................................3
1.2 TLV841 Applications...........................................................................................................................................................3
2 Schematic, Bill of Materials, and Layout..............................................................................................................................
2.1 TLV841EVM Schematic.....................................................................................................................................................
2.2 TLV841EVM Bill of Materials..............................................................................................................................................6
2.3 Layout and Component
2.4 Layout................................................................................................................................................................................
3 EVM Connectors.....................................................................................................................................................................
3.1 EVM Test Points.................................................................................................................................................................9
3.2 EVM Jumpers...................................................................................................................................................................10
4 EVM Setup and Operation....................................................................................................................................................
4.1 Input Power (V ).............................................................................................................................................................11
DD
4.2 Monitoring Voltage on SENSE Pin (TLV841S).................................................................................................................
4.3 Monitoring Voltage on VDD (TLV841M and TLV841C)....................................................................................................
4.4 Manual Reset (MR) (TLV841M).......................................................................................................................................
4.5 Reset Output (RESET).....................................................................................................................................................12
4.6 Reset Time Delay Programming (Program t
5 Revision History...................................................................................................................................................................
Figure 1-1. TLV841EVM Board Top.............................................................................................................................................
Figure 1-2. TLV841EVM Board Bottom.......................................................................................................................................
Figure 2-1. TLV841EVM Schematic with TLV841S.....................................................................................................................
Figure 2-2. Component Placement-Top
Figure 2-3. Component Placement-Bottom Assembly..............................................................................................................
Figure 2-4. Layout-Top..............................................................................................................................................................
Figure 2-5. Layout-Bottom.........................................................................................................................................................7
Figure 2-6. Top Layer...................................................................................................................................................................8
Figure 2-7. Bottom Layer.............................................................................................................................................................
Figure 2-8. Top Solder Mask........................................................................................................................................................8
Figure 4-1. TLV841EVM Glitch
Figure 4-2. TLV841EVM RESET Propagation Detect Delay.....................................................................................................
Figure 4-3. TLV841EVM RESET Delay Time (t
Table 2-1. BOM............................................................................................................................................................................6
Table 3-1. Test Points..................................................................................................................................................................
Table 3-2. List of Onboard Jumpers...........................................................................................................................................10
Table 4-1. Nominal Input Threshold Voltage..............................................................................................................................
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SNVU755A - JANUARY 2021 - REVISED JUNE 2021
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ABSTRACT

Table of Contents

Placement....................................................................................................................................7
via C )
D T
List of Figures
Assembly....................................................................................................................7
Immunity...................................................................................................................................12
) for TLV841S/M or for TLV841C where C
D
List of Tables
Copyright © 2021 Texas Instruments Incorporated
(TLV841C)....................................................................................13
TLV841EVM Voltage Supervisor User Guide
Table of Contents
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