Texas Instruments TPS25990 Manuals

Manuals and User Guides for Texas Instruments TPS25990. We have 1 Texas Instruments TPS25990 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 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

Texas Instruments Categories

Motherboard Control Unit Microcontrollers Computer Hardware Calculator

More Texas Instruments Manuals

Texas Instruments TPS25990 Manuals

Texas Instruments TPS25990 User Manual (56 pages)

Table of Contents

Related Products

Texas Instruments Categories