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User Manual
Voltage-mode SEPIC evaluation kit
TLD5098EP
About this document
Description
The TLD5098EP is an AEC qualified DC-DC boost controller, especially designed to drive LEDs.
•
Built-in diagnosis and protection features
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Designed to support multiple topologies such as Boost, Buck, Buck-Boost, SEPIC and Flyback
Scope and purpose
Scope of this user manual is to provide instructions on the usage of TLD5098EP voltage-mode SEPIC evaluation
board.
Intended audience
This document is intended for engineers who need to perform measurements and check performances with
TLD5098EP voltage-mode SEPIC evaluation board.
Table of contents
About this document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Table of contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
2
Quick start procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
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Auto-enable configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4
Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
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PCB layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
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Bill of material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
7
Efficiency measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
8
Maximizing efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
9
Minimizing EM emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
10
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Disclaimer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
User Manual
www.infineon.com
Please read the Important Notice and Warnings at the end of this document
2020-09-17
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Table of Contents
Related Manuals for Infinion TLD5098EP
Summary of Contents for Infinion TLD5098EP
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Page 1: Table Of Contents
• Designed to support multiple topologies such as Boost, Buck, Buck-Boost, SEPIC and Flyback Scope and purpose Scope of this user manual is to provide instructions on the usage of TLD5098EP voltage-mode SEPIC evaluation board. Intended audience This document is intended for engineers who need to perform measurements and check performances with TLD5098EP voltage-mode SEPIC evaluation board. -
Page 2: Description
1 Description Description Evaluation board for medium power application with TLD5098EP configured in voltage-mode SEPIC topology, which can be implemented as DC-DC power supply with constant voltage output. The default configuration of the board is voltage-mode SEPIC topology without any additional features enabled. - Page 3 Voltage-mode SEPIC evaluation kit TLD5098EP 1 Description Figure 2 Simplified schematic Table 1 Performance summary Parameter Conditions Value Input supply voltage Parameter degradation below 6.5 V 8 V to 27 V (Down to 6.5 V for less than 2 s)
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Page 4: Quick Start Procedure
Voltage-mode SEPIC evaluation kit TLD5098EP 2 Quick start procedure Quick start procedure The default configuration of the board has all additional features disabled. The jumper is placed in 1-2 position. In this configuration the enable signal has to be applied on X18 (max. 45 V). If another output voltage is... -
Page 5: Auto-Enable Configuration
Voltage-mode SEPIC evaluation kit TLD5098EP 3 Auto-enable configuration Auto-enable configuration By placing the jumper X5 on the position 2-3, the device starts without any external enable signal because pin EN (Enable) is connected directly to the positive rail. See Chapter 4 for details. -
Page 6: Schematics
Voltage-mode SEPIC evaluation kit TLD5098EP 4 Schematics Schematics Figure 5 Input filter User Manual 2020-09-17... - Page 7 Voltage-mode SEPIC evaluation kit TLD5098EP 4 Schematics Figure 6 Main power User Manual 2020-09-17...
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Page 8: Pcb Layout
Voltage-mode SEPIC evaluation kit TLD5098EP 5 PCB layout PCB layout Figure 7 PCB layout top view Figure 8 PCB layout bottom view User Manual 2020-09-17... -
Page 9: Bill Of Material
Voltage-mode SEPIC evaluation kit TLD5098EP 6 Bill of material Bill of material Table 2 Bill of material Designator Value Manufacturer Manufacturer order number C1, C2, C6, C7, C19 10 uF Murata GCM32EC71H106KA03 C9, C26, C36 100 nF 06035C104K4Z2A C12, C15, C20, C21 4.7 uF... - Page 10 Voltage-mode SEPIC evaluation kit TLD5098EP 6 Bill of material Table 2 Bill of material (continued) Designator Value Manufacturer Manufacturer order number X2, X15, X18 1935776 Phoenix Contact 1935776 X3, X4, X8, X21 5001 Keystone 5001 TSM-103-01-S-SV Samtec TSM-103-01-S-SV D3082-05 Harwin...
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Page 11: Efficiency Measurements
Voltage-mode SEPIC evaluation kit TLD5098EP 7 Efficiency measurements Efficiency measurements Figure 9 Efficiency vs. input voltage This efficiency performance has been obtained with: Table 3 Parameters influencing efficiency Output load: 12 Ω power resistor EMI filter Totally bypassed by closing the jumpers X1, X14 and X16... -
Page 12: Maximizing Efficiency
Voltage-mode SEPIC evaluation kit TLD5098EP 8 Maximizing efficiency Maximizing efficiency This evaluation board has been designed to reach a fair compromise between efficiency performance and EM emissions compliance. Nevertheless, if the maximum efficiency is needed, the following actions are suggested:... -
Page 13: Minimizing Em Emissions
Voltage-mode SEPIC evaluation kit TLD5098EP 9 Minimizing EM emissions Minimizing EM emissions This evaluation board has been designed to reach a fair compromise between efficiency performance and conducted EM emissions compliance from 150 kHz to 108 MHz. Nevertheless, if the minimum EM emission is required, the following actions should be considered: Choose a higher value for the capacitor C25 (for example 2.7 or 3.3 nF) -
Page 14: Revision History
Voltage-mode SEPIC evaluation kit TLD5098EP 10 Revision history Revision history Document Date of release Description of changes version Rev. 1.00 2020-09-17 First release related to evalboard S00_P00 User Manual 2020-09-17... -
Page 15: Disclaimer
Trademarks All referenced product or service names and trademarks are the property of their respective owners. Edition 2020-09-17 IMPORTANT NOTICE WARNINGS The information contained in this application note is Due to technical requirements products may contain Published by given as a hint for the implementation of the product dangerous substances.
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