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The TPS65162EVM-278 evaluation module operates from a 8-V to 14-V input rail and provides the three
bias-supply voltages (Vs, VGH, and VGL) and a logic-supply voltage (3.3 V) that are required for television
and monitor TFT-LCD panels. This device also provides two operational amplifiers to generate the VCOM
supply rail. The TPS65162EVM-278 has one boost converter with an integrated low-side FET, one
negative charge-pump controller requiring external Schottky diodes, and one fully integrated positive
charge pump for TFT-LCD bias supply. External passive components to support the boost converter
include rectifying diode, inductors, and capacitors. External components for the charge pumps include
capacitors and switching diodes. One nonsynchronous buck converter with external Schottky diode make
up the logic supply.
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1
Introduction
2
Setup and Test Results
3
Board Layout
4
Schematic and Bill of Materials
1
Start-up Waveform
2
Top Assembly
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3
Top Layer
4
Bottom Layer
1
Performance Specification Summary
2
Default Jumper Settings
3
Bill of Materials
SLVU228A – October 2007 – Revised October 2009
Submit Documentation Feedback
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Copyright © 2007–2009, Texas Instruments Incorporated
SLVU228A – October 2007 – Revised October 2009
TPS65162EVM-278
Contents
List of Figures
List of Tables
User's Guide
2
3
5
7
4
6
6
6
2
3
8
1
TPS65162EVM-278
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Summary of Contents for Texas Instruments TPS65162EVM-278
- Page 1 SLVU228A – October 2007 – Revised October 2009 TPS65162EVM-278 The TPS65162EVM-278 evaluation module operates from a 8-V to 14-V input rail and provides the three bias-supply voltages (Vs, VGH, and VGL) and a logic-supply voltage (3.3 V) that are required for television and monitor TFT-LCD panels.
- Page 2 Introduction www.ti.com Introduction This section contains background information for the TPS65162EVM-278 evaluation module (EVM). Specification Table 1 provides a summary of the TPS65162EVM-278 performance specifications. All specifications are given for an ambient temperature of 25°C. Table 1. Performance Specification Summary...
- Page 3 Setup and Test Results www.ti.com Setup and Test Results This section explains the input, output, and jumper connections of the TPS65162EVM-278. It also describes how to set up test equipment for evaluating the EVM and provides test results. Connections and Jumpers...
- Page 4 (Vs) and positive charge pump (VGH). With EN2 (J7) set to the on position, EN1 controls on/off for all voltages. Test Results Test results using the TPS65162EVM-278 are shown in Figure Figure 1. Start-up Waveform TPS65162EVM-278 SLVU228A –...
- Page 5 For information regarding PC board layout, see the TPS65162 data sheet (SLVS760). Board Layers The following illustrations show the top assembly and top and bottom layers of the TPS65162EVM-278. Figure 2. Top Assembly SLVU228A – October 2007 – Revised October 2009...
- Page 6 Board Layout www.ti.com Figure 3. Top Layer Figure 4. Bottom Layer TPS65162EVM-278 SLVU228A – October 2007 – Revised October 2009 Submit Documentation Feedback Copyright © 2007–2009, Texas Instruments Incorporated...
- Page 7 Schematic and Bill of Materials www.ti.com Schematic and Bill of Materials SLVU228A – October 2007 – Revised October 2009 TPS65162EVM-278 Submit Documentation Feedback Copyright © 2007–2009, Texas Instruments Incorporated...
- Page 8 3. These assemblies must comply with workmanship standards IPC-A-610 Class 2. 4. Ref designators marked with an asterisk ('**') cannot be substituted. All other components can be substituted with equivalent MFG's components. TPS65162EVM-278 SLVU228A – October 2007 – Revised October 2009 Submit Documentation Feedback Copyright © 2007–2009, Texas Instruments Incorporated...
- Page 9 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 10 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.
- Page 11 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments TPS65162EVM-278...
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