Texas Instruments TPS56221EVM-579 Manuals

Manuals and User Guides for Texas Instruments TPS56221EVM-579. We have 2 Texas Instruments TPS56221EVM-579 manuals available for free PDF download: User Manual

Texas Instruments TPS56221EVM-579 User Manual (28 pages)

Step-Down Converter Evaluation Module

Brand: Texas Instruments | Category: Motherboard | Size: 1 MB

Table of Contents
1
Introduction
3
Description
4
Applications
4
Features
4
Electrical Performance Specifications
5
Schematic
6
Figure 4-1. TPS56221EVM-579 Schematic
6
Test Setup
7
Test Equipment
7
Recommended Wire Gauge
7
Equipment Set up Procedure
8
Figure 5-1. TPS56221EVM-579 Recommended Test Setup
8
Configurations
9
Enable Selection (J3)
9
Test Point Descriptions
10
Input Voltage Monitoring (TP1 and TP2)
10
Output Voltage Monitoring (TP3 and TP4)
10
Enable/Soft-Start Monitoring (TP5)
10
Power Good Monitoring (TP6)
10
Loop Response Testing (TP7, TP8, TP9 and TP10)
10
Switch Node Voltage Monitoring (TP11 and TP12)
10
Test Procedures
11
Start Up/Shut down Procedure
11
Output Ripple Voltage Measurement Procedure
11
Figure 8-1. Tip and Barrel Output Voltage Ripple Measurement
11
Control Loop Gain and Phase Measurement Procedure
12
Equipment Shutdown
12
Figure 8-2. Control Loop Measurement Setup
12
Performance Data and Typical Characteristic Curves
13
Efficiency
13
Load Regulation
13
Figure 9-1. Efficiency
13
Figure 9-2. Load Regulation
13
Line Regulation
14
Output Voltage Ripple
14
Figure 9-3. Line Regulation (VIN = 8 V to 14 V, VOUT = 1.0 V, IOUT = 25 A)
14
Figure 9-4. Output Voltage Ripple
14
Switch Node
15
Load Transient
15
Start up
16
Power off
17
Over-Current Protection
17
Control Loop Bode Plot
18
Thermal Image
18
EVM Assembly Drawings and PCB Layout
19
List of Materials
22
Revision History
22

Texas Instruments TPS56221EVM-579 User Manual (21 pages)

Evaluation Module

Brand: Texas Instruments | Category: Motherboard | Size: 0 MB

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Texas Instruments TPS56221EVM-579 Manuals

Texas Instruments TPS56221EVM-579 User Manual (28 pages)

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Texas Instruments TPS56221EVM-579 User Manual (21 pages)

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