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User Manual
Voltage-mode boost to ground evaluation kit
TLD5098EP
About this document
Product description
The TLD5098EP is an AEC qualified DC-DC boost controller, especially designed to drive LEDs.
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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 boost to ground
evaluation board.
Intended audience
This document is intended for engineers who need to perform measurements and check performances with
TLD5098EP voltage-mode boost to ground evaluation board.
Table of contents
About this document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Table of contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
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Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
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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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
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Maximizing efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
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Minimizing EM emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
10
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Disclaimer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
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 Infineon TLD5098EP
Summary of Contents for Infineon 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 boost to ground evaluation board. Intended audience This document is intended for engineers who need to perform measurements and check performances with TLD5098EP voltage-mode boost to ground evaluation board. -
Page 2: Description
1 Description Description Evaluation board for medium power application with TLD5098EP configured in voltage-mode boost to ground topology, which can be implemented as a DC-DC power supply with constant voltage output. The default configuration of the board is voltage-mode boost to ground topology without any additional features enabled. - Page 3 Voltage-mode boost to ground 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 boost to ground 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 boost to ground evaluation kit TLD5098EP 3 Auto-enable configuration Auto-enable configuration By placing the jumper X5 on 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 boost to ground evaluation kit TLD5098EP 4 Schematics Schematics Figure 5 Input filter User Manual 2020-09-17... - Page 7 Voltage-mode boost to ground evaluation kit TLD5098EP 4 Schematics Figure 6 Main power User Manual 2020-09-17...
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Page 8: Pcb Layout
Voltage-mode boost to ground 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 boost to ground 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... -
Page 10: Efficiency Measurements
Voltage-mode boost to ground 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: 136 Ω power resistor EMI filter: Totally bypassed by closing the jumpers X1, X14, and X16... -
Page 11: Maximizing Efficiency
Voltage-mode boost to ground 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 12: Minimizing Em Emissions
Voltage-mode boost to ground 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 2.2 nF) -
Page 13: Revision History
Voltage-mode boost to ground 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 14: Disclaimer
Infineon Technologies, All Rights Reserved. information given herein in the real application. Infineon Technologies’ products may not be used in Infineon Technologies hereby disclaims any and all any applications where a failure of the product or warranties and liabilities of any kind (including without...