Texas Instruments TPS53127EVM-614 User Manual
  1. Manuals
  2. Brands
  3. Texas Instruments Manuals
  4. Motherboard
  5. TPS53127EVM-614
  6. User manual
Texas Instruments TPS53127EVM-614 User Manual

Texas Instruments TPS53127EVM-614 User Manual

Dual output buck
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
The TPS53127EVM-614 Dual Output BUCK presents an easy to use reference design for a common dual
output power supply using the TPS53127 controller in cost sensitive applications.
..................................................................................................................
1
Introduction
1.1
Description
1.2
Application
1.3
Features
2
3
4
4.1
4.2
4.3
...................................................................................................................
5
5.1
5.2
5.3
5.4
5.5
6
6.1
6.2
6.3
6.4
7
8
1
TPS53127EVM-614 Schematic
2
3
4
5
Efficiency vs Load (V
6
7
Output Voltage vs Load (V
8
9
Output Voltage Ripple (V
10
11
Switching Waveform (V
12
13
...................................................................................................................
14
15
SLVU434 - February 2011
Submit Documentation Feedback
..........................................................................................................
..........................................................................................................
.............................................................................................................
....................................................................................
...........................................................................................
..................................................................................
............................................................................................
...........................................................................................................
...................................................................................................
..................................................................................
..............................................................................................
............................................................................................
..........................................................................................................
.......................................................................................
.......................................................................................................
.............................................................................................................
...........................................................................................
= 1.05 V, I
OUT1
= 8 V-22 V, V
= 1.8 V, I
IN
OUT2
= 8 V-22 V, V
IN
= 8 V-22 V, V
IN
= 12 V, V
= 1.05 V, I
IN
OUT1
= 12 V, V
= 1.8 V, I
IN
OUT2
= 12 V, V
= 1.05 V, I
IN
OUT1
= 12 V, V
= 1.8 V, I
IN
OUT2
..............................................................................................................
..........................................................................................................
...............................................................................................................
© 2011, Texas Instruments Incorporated
Contents
...............................................................................
.....................................................................
..............................................................
.....................................................
..........................................................
List of Figures
...............................................................
.......................................................................
.................................................
- 0 A-4A)
OUT1
..................................................
- 0 A-4A)
OUT2
= 1.05 V, I
= 0 A-4 A)
OUT1
OUT1
= 1.05 V, I
= 0 A-4 A)
OUT2
OUT2
......................................................
= 4 A)
OUT1
.......................................................
= 4 A)
OUT2
.......................................................
= 4 A)
OUT1
.........................................................
= 4 A)
OUT2
User's Guide
SLVU434 - February 2011
TPS53127EVM-614
.........................................
.........................................
TPS53127EVM-614
2
2
2
2
3
4
5
5
5
5
6
6
7
9
9
9
9
10
11
12
13
14
17
4
6
8
10
10
11
11
12
12
13
13
14
14
15
15
1

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the TPS53127EVM-614 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Texas Instruments TPS53127EVM-614

Summary of Contents for Texas Instruments TPS53127EVM-614

  • Page 1: Table Of Contents

    User's Guide SLVU434 – February 2011 TPS53127EVM-614 The TPS53127EVM-614 Dual Output BUCK presents an easy to use reference design for a common dual output power supply using the TPS53127 controller in cost sensitive applications. Contents ........................Introduction ......................Description ......................
  • Page 2 Introduction Description The TPS53127EVM-614 Dual Output BUCK evaluation board provides the user with a convenient way to evaluate the TPS53127 Dual D-CAP2 mode control BUCK controller in a realistic cost sensitive application. Providing both a low “core-type” 1.05V and “I/O type” 1.8V output at up to 4A from a loosely regulated 12V (8V-22V) source, the TPS53127EVM-614 includes switches and test-points to assist a user in evaluating the performance of the TPS53127 controller in their application.

  • Page 3: Electrical Performance Specifications

    Electrical Performance Specifications www.ti.com Electrical Performance Specifications Table 1. TPS53127EVM-614 Electrical and Performance Specifications Parameter Notes and Conditions MAX UNIT INPUT CHARACTERISTICS Input Voltage Input Current = 12 V, I = 4 A, I = 4 A – OUT1 OUT2...

  • Page 4: Tps53127Evm-614 Schematic

    TPS53127EVM-614 Schematic www.ti.com TPS53127EVM-614 Schematic NOTE: For Reference Only, See Table 3 for Specific Values. Figure 1. TPS53127EVM-614 Schematic TPS53127EVM-614 SLVU434 – February 2011 Submit Documentation Feedback © 2011, Texas Instruments Incorporated...

  • Page 5: Connector And Test Point Descriptions

    Connector and Test Point Descriptions Enable Switches (SW1 and SW2) TPS53127EVM-614 includes independent enable switches for each of the two outputs. When the switch is in the DIS position, the channel is disabled and discharged per the TPS53127’s internal discharge characteristics.

  • Page 6: Test Setup

    Channel 2 Output Voltage Monitoring (TP6 and TP7) TPS53127EVM-614 provides two test points for measuring the voltage generated at the VO1 Output by the module. This allows the user to measure the actual output voltage without losses from output cables and connectors.

  • Page 7: Equipment Setup

    5.1.5 Recommended Wire Gauge to J3 – The connection between the source voltage, VVIN and J1 of TPS53127EVM-614 can carry as much as 2.0Adc. The minimum recommended wire size is AWG #16 with the total length of wire less than 2 feet (1 foot input, 1 foot return).

  • Page 8: Tps53127Evm-614 Recommended Test Setup

    Test Setup www.ti.com 5.2.2 Diagram LOAD1 1.05V @ LOAD2 1.8V @ Figure 3. TPS53127EVM-614 Recommended Test Setup TPS53127EVM-614 SLVU434 – February 2011 Submit Documentation Feedback © 2011, Texas Instruments Incorporated...

  • Page 9: Start Up/Shut Down Procedure

    Figure 4 through Figure 11 present typical performance curves for the TPS53127EVM-614. Since actual performance data can be affected by measurement techniques and environmental variables, these curves are presented for reference and may differ from actual field measurements. SLVU434 – February 2011...

  • Page 10: Efficiency

    OUT2 - Load Current - A LOAD Figure 5. Efficiency vs Load (V = 8 V–22 V, V = 1.8 V, I - 0 A–4A) OUT2 OUT2 TPS53127EVM-614 SLVU434 – February 2011 Submit Documentation Feedback © 2011, Texas Instruments Incorporated...

  • Page 11: Line And Load Regulation

    - Load Current - A LOAD Figure 7. Output Voltage vs Load (V = 8 V–22 V, V = 1.05 V, I = 0 A–4 A) OUT2 OUT2 SLVU434 – February 2011 TPS53127EVM-614 Submit Documentation Feedback © 2011, Texas Instruments Incorporated...

  • Page 12: Output Voltage Ripple And Switching Node Waveforms

    Test condition: 12 Vin, 1.8 V/4 A TPS53127EVM-614 Output Ripple Figure 9. Output Voltage Ripple (V = 12 V, V = 1.8 V, I = 4 A) OUT2 OUT2 TPS53127EVM-614 SLVU434 – February 2011 Submit Documentation Feedback © 2011, Texas Instruments Incorporated...

  • Page 13: Switch Node

    Test condition: 12 Vin, 1.8 V/4 A Switch Node Figure 11. Switching Waveform (V = 12 V, V = 1.8 V, I = 4 A) OUT2 OUT2 SLVU434 – February 2011 TPS53127EVM-614 Submit Documentation Feedback © 2011, Texas Instruments Incorporated...

  • Page 14: Tps53127Evm-614 Evm Assembly Drawings And Layout

    Figure 16) show the design of the TPS53127EVM-614 printed circuit board. The EVM has been designed using a 4-Layer, 2oz copper-clad circuit board 3.5 in 2.7 to allow the user to easily view, probe and evaluate the TPS53127 control IC in a practical application.

  • Page 15: Top Layer

    TPS53127EVM-614 EVM Assembly Drawings and Layout www.ti.com Figure 14. Top Layer Figure 15. Bottom Layer SLVU434 – February 2011 TPS53127EVM-614 Submit Documentation Feedback © 2011, Texas Instruments Incorporated...
  • Page 16 TPS53127EVM-614 EVM Assembly Drawings and Layout www.ti.com Figure 16. Internal Layer 1 Figure 17. Internal Layer 2 TPS53127EVM-614 SLVU434 – February 2011 Submit Documentation Feedback © 2011, Texas Instruments Incorporated...

  • Page 17: Bill Of Materials

    Bill of Materials www.ti.com Bill of Materials Table 3 contains the Bill of Materials for TPS53127EVM-614. The reference designators reference the Schematic in Figure 1 and Assembly locations in Figure 12. Components with a Quantity 0 listed are not populated on the PCB but are provided for reference.
  • Page 18 Evaluation Board/Kit Important Notice Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling the product(s) must have electronics training and observe good engineering practice standards.
  • Page 19 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.

Table of Contents