Texas Instruments TPS25990 eFuse Manuals

Manuals and User Guides for Texas Instruments TPS25990 eFuse. We have 1 Texas Instruments TPS25990 eFuse manual available for free PDF download: User Manual

Texas Instruments TPS25990 User Manual (56 pages)

Evaluation Module for eFuse

Brand: Texas Instruments | Category: Motherboard | Size: 7.22 MB

Table of Contents
1
Introduction
4
EVM Features
4
Blackbox
4
EVM Applications
5
Description
5
Table 2-1. TPS25990EVM Efuse Evaluation Board Options and Settings
5
Schematic
6
Figure 3-1. TPS25990EVM Efuse Evaluation Board Schematic
7
General Configurations
8
Physical Access
8
Table 4-1. Input and Output Connector Functionality
8
Table 4-2. Test Points Description
8
Table 4-3. Jumper Descriptions and Default Positions
9
Test Equipment and Setup
10
Table 4-4. Configuring Device Address
10
Table 4-5. LED Descriptions
10
Test Setup and Procedures
12
Figure 5-1. TPS25990EVM Setup with Test Equipment
12
Table 5-1. Default Jumper Setting for TPS25990EVM Efuse Evaluation Board
12
Hot Plug
13
Figure 5-2. Hot Plug Profile with TPS25990 Efuse and TPS25985 Efuse in Parallel
13
Ilim(Tps25990) Ilim(Tps25985) Viref
13
523 Ω, R
13
Start-Up with Enable
14
Figure 5-3. Start-Up Profile with ENABLE
14
Figure 5-4. Start-Up Profile with ENABLE: Current Sharing between TPS25990 and TPS25985 Efuses
14
Stepped up from 0 V to 3 V, C
14
523 Ω, R
14
Ilim(Tps25985)
14
402 Ω, VIREF = 1 V, and R
14
OUT = 18.47 Mf, R
14
Load
14
V, and CDVDT
14
Current Limit Based Start-Up Behavior
15
Figure 5-5. Start-Up with Current Limit Response in TPS25990EVM
15
Iref
15
In Ilim(Tps25990) = 665 Ω, Rlimi(Tps25985) = 499 Ω
15
Power up into Short
16
Figure 5-6. Power up into Output Short Response in TPS25990EVM
16
Figure 5-7. Power up into Output Short Response in TPS25990EVM: Current Sharing between TPS25990 and
16
Stepped up from 0 V to 3 V, R
16
Iref
16
Overvoltage Lockout
17
Transient Overload Performance
17
Figure 5-8. Overvoltage Lockout Response of TPS25990 Efuse
17
Figure 5-9. Transient Overload Performance in TPS25990EVM
18
Figure 5-10. Transient Overload Performance in TPS25990EVM: Current Sharing between TPS25990 and TPS25985 Efuses
18
Overcurrent Event
19
Figure 5-11. Overcurrent Performance in TPS25990EVM
19
Figure 5-12. Overcurrent Performance in TPS25990EVM: Current Sharing between TPS25990 and TPS25985 Efuses
19
Provision to Apply Load Transient and Overcurrent Event Using an Onboard Switching Circuit
20
IN = 12 V, T ITIMER
20
470 Μf
20
Iref
20
Figure 5-13. Transient Overload Performance in TPS25990EVM Using the Onboard Switching Circuit
20
For 9 Ms)
20
Out(Steady-State)
20
Out(Transient)
20
For 18 Ms)
20
RIMON = 1.47 ∥ 1.1 Kω
20
Output Hot Short
21
Figure 5-15. Output Hot Short Response in TPS25990EVM
21
And COUT
21
Quick Output Discharge (QOD)
22
Figure 5-16. QOD Enabled on TPS25990 Efuse (VIN = 12 V, COUT = 470 Μf, and en Pulled Low to 0.8 V)
22
Figure 5-17. QOD Disabled on TPS25990 Efuse
22
In = 12 V, C
22
OUT = 470 Μf, and en Pulled Low to 0 V)
22
Thermal Performance of TPS25990EVM
23
Figure 5-18. Thermal Performance in TPS25990EVM
23
IMON = 0.91 ∥ 1.1 Kω
23
Iref
23
Using the TPS25990EVM-GUI
24
Access the TPS25990EVM-GUI
24
Introduction to the TPS25990EVM-GUI
24
Figure 6-1. Prerequisite to Establish Communication between the EVM and GUI
24
Figure 6-2. TPS25990EVM-GUI: Introduction
24
Establishing Communication between the EVM and GUI
25
Figure 6-3. Hardware Setup: Establishing the Communication between the EVM and GUI
25
Figure 6-4. TPS25990EVM-GUI: Verify Device Connectivity
25
Quick Info
26
Figure 6-5. TPS25990EVM-GUI: Quick Info
26
Configuration
27
Figure 6-6. TPS25990EVM-GUI: Device Configuration
27
Figure 6-7. TPS25990EVM-GUI: Device Configuration: Device Configuration and Setup
28
Figure 6-8. TPS25990EVM-GUI: Device Configuration: Warning & Fault Thresholds
29
Figure 6-9. TPS25990EVM-GUI: Device Configuration: Additional Configuration
29
Figure 6-10. TPS25990EVM-GUI: Device Telemetry
30
Figure 6-11. TPS25990EVM-GUI: Device Telemetry: Telemetry
30
Parameters
30
Figure 6-12. TPS25990EVM-GUI: Device Telemetry: Device Parametric Information: General
31
Figure 6-13. TPS25990EVM-GUI: Device Telemetry: Device Parametric Information: Energy Parameters
32
Figure 6-14. TPS25990EVM-GUI: Device Telemetry: Device Status Information
32
TPS25990 Evaluation Module for Efuse
33
Figure 6-15. TPS25990EVM-GUI: Device Telemetry
33
Figure 6-16. TPS25990EVM-GUI: Device Telemetry: Read High Speed Sample Buffer: Input Current
33
Figure 6-17. TPS25990EVM-GUI: Device Telemetry: Read High Speed Sample Buffer: Input and Output
34
Voltages
34
Figure 6-18. TPS25990EVM-GUI: Device Telemetry: Parametric Plot
35
Figure 6-19. TPS25990EVM-GUI: Device Telemetry: Parametric Plot: Input Power and Energy
35
Accumulation
35
Figure 6-20. TPS25990EVM-GUI: Blackbox
36
Figure 6-21. TPS25990EVM-GUI: Blackbox: Blackbox Configuration
36
Figure 6-22. TPS25990EVM-GUI: Device Configuration: External EEPROM Connection
37
Figure 6-23. TPS25990EVM-GUI: GPIO Configuration: External EEPROM Connection
37
Register Map Page
38
Figure 6-24. TPS25990EVM-GUI: Blackbox: READ BB EEPROM
38
Figure 6-25. TPS25990EVM-GUI: Register Map
38
EVAL Board Assembly Drawings and Layout Guidelines
39
PCB Drawings
39
Figure 7-1. TPS25990EVM Board: Top Assembly
39
Figure 7-2. TPS25990EVM Board: Bottom Assembly
39
Figure 7-3. TPS25990EVM Board: Top Layer
39
Figure 7-4. TPS25990EVM Board: Bottom Layer
39
Figure 7-5. TPS25990EVM Board: Layer 2 (Power)
40
Figure 7-6. TPS25990EVM Board: Layer 3 (Power)
40
Figure 7-7. TPS25990EVM Board: Layer
40
Figure 7-8. TPS25990EVM Board: Layer
40
Figure 7-9. TPS25990EVM Board: Layer 6 (Power)
41
Figure 7-10. TPS25990EVM Board: Layer 7 (Power)
41
Bill of Materials (BOM)
42
Table 8-1. TPS25990EVM Bill of Materials
42
Revision History
50

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