Infineon TLD5099EP User manual

Voltage-mode boost to ground evaluation kit
TLD5099EP
About this document
Product description
The TLD5099EP is an AEC qualified DC/DC boost controller.
• Built in diagnosis and protection features
• ENABLE control pin available
• Spread spectrum modulator to improve the EMI performance
Scope and purpose
Scope of this user manual is to provide to the audience instructions on usage of TLD5099EP voltage-mode boost
to ground evaluation board.
Intended audience
This document is intended for engineers who need to perform measurements and check performances with
TLD5099EP voltage-mode boost to ground evaluation board.
Table of contents
About this document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Table of contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
2 Quick start procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
3 Auto-enable configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4 Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
5 PCB layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6 Bill of material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
7Eiciency measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
8 Maximizing eiciency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
9 Minimizing EMI emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
10 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Disclaimer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
User Manual
User Manual Please read the Important Notice and Warnings at the end of this document
www.infineon.com 2020-01-29

1 Description
Evaluation board for medium power application with TLD5099EP configured in voltage-mode boost to ground
topology. It can be implemented as a DC-DC power supply with constant voltage output.
Default configuration of the board is voltage-mode boost to ground topology without any additional features
enabled. In this configuration, it can deliver up to 17 W to the load with an eiciency above 93%. Auxiliary
circuits to protect the DC/DC and the load during short to ground, forcing the current to zero, are not present.
The short to ground current is limited to few amps because of the SWCS pin connected to the current-mode
shunt.
Figure 1 Board picture
Voltage-mode boost to ground evaluation kit
TLD5099EP
1 Description
User Manual 2
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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
Maximum output current Resistive load 350 mA
Switching frequency VIN = 13.2 V; spread spectrum "on" 400 kHz
Eiciency Measured with a 139 Ω power resistor as load > 93%
Output voltage range Output voltage related to ground 48 V
Output overvoltage
protection
Output voltage related to ground 60 V
Voltage-mode boost to ground evaluation kit
TLD5099EP
1 Description
User Manual 3
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2 Quick start procedure
The default configuration of the board has all additional features disabled. Jumper is positioned in 1-2 position.
In this configuration ENABLE signal has to be applied on X18 (max 45 V). If another output voltage is required,
the voltage divider composed of R24, R25, R26 must be changed according to the rule that a 300 mV dropout
should be present across R25 when the desired voltage is present in the output.
The default configuration is depicted below:
Figure 3 Default configuration of the board
Voltage-mode boost to ground evaluation kit
TLD5099EP
2 Quick start procedure
User Manual 4
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3 Auto-enable configuration
By positioning the jumper on the position 2-3, an external enable signal to start the device is no longer needed.
Figure 4 Auto-enable configuration
Voltage-mode boost to ground evaluation kit
TLD5099EP
3 Auto-enable configuration
User Manual 5
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4 Schematics
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
D D
C C B B
A A
29/11/2019 14:47:56Date: Sheet of
Time:
© Infineon Technologies AG 2019. All Rights Reserved. Author: Riccardo Zuin
03-TLD5099EP_VB2G_S00_Input Filter.SchDoc
Infineon Technologies AG IFI DC ATV BP ViaNiccolo Tommaseo 65b 35131 Padova Italy
S00
Title Size: Rev.
A3 Document Name
03-TLD5099EP_VB2G_S00_Input Filter.SchDoc
Rel. REL
Variant TLD5099EP_VB2G
[No Variations] Approved <Appr.>
SVN Revision: Not in version control
GND
External Enable
2 3
1
Q1
IPD90P04P4L-04
R1 10k
GND
12
D1
10V-500mW
GND V bat
Ext_EN
1 2
X14
Solder Jumper 2 Pins
1 2
X16
Solder Jumper 2 Pins50V
C14 470pF
50V C13 470pF
1 4 2 3
ACM70V-701-2PL-TL00
L4 700R
Chassis
1 2
Phoenix Contact
X2 1935776 MIN Input Voltage (V bat): 8V TYP Input Voltage (V bat): 13,2V MAX Input Voltage (V bat): 27V MIN Input Voltage (V bat): 6.5V (for less than 2s)
12
50V
C18 220uF
GNDGND
Vbat_FIL
4A PI type filter. Suitable for switching frequency down to 200kHz
N.M.
50V
C9 100nF
GND GND GND
MPZ2012S101ATD25
L2 100R
1 2
X1
Solder Jumper 2 Pins
GND
50V
C1 10uF 50V
C2 10uF 50V
C6 10uF 50V
C7 10uF
MSS7341T-332NL
L1 3.3uH
1 2
Phoenix Contact X18 1935776
Hand Soldered
Figure 5 Input filter
Voltage-mode boost to ground evaluation kit
TLD5099EP
4 Schematics
User Manual 6
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1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
D D
C C B B
A A
29/11/2019 14:47:56Date: Sheet of
Time:
© Infineon Technologies AG 2019. All Rights Reserved. Author: Riccardo Zuin
04-TLD5099EP_VB2G_S00_Main Power.SchDoc
Infineon TechnologiesAG IFI DC ATV BP Via Niccolo Tommaseo 65b 35131 Padova Italy
S00
Title Size: Rev.
A3 Document Name
04-TLD5099EP_VB2G_S00_Main Power.SchDoc
Rel. REL
Variant TLD5099EP_VB2G
[No Variations] Approved <Appr.>
SVN Revision: Not in version control
SWO 2
IVCC 1
SWCS 4
FPWM
3
EP 15
COMP
8SET
10
FREQ/SYNC
11
FBH
6
PWMO 5
FBL
7
OVFB 9
GND 12
EN/PWMI
13
IN
14 U1
TLD5099EP
Vbat_FIL
C26 100nF
GND
C27 10uF
GND
IVCC(5V)
Vbat_FIL
GND
Rfreq
GND
(400kHz Spread Spectrum ON)
1 2 3
X5 TSM-103-01-S-SV
Ext_EN
(1-2) External Enable (2-3) Internal Enable
GND
GND
50V C19 10uF
GND
GND
R8 10R 2010
R5 2.2R
GND
12 D2
PMEG6030EP,115
GND GND
GND
48V / 350mA
X8
5001 IVCC
Vbat_FIL
100V C35 4.7uF
100V C34 4.7uF
GND GND GND
100V C23 4.7uF
100V C22 4.7uF
100V
C21 4.7uF
GND
100V
C20 4.7uF
OVFB > 1,25V when V OUT > 60V
23
1
Q2
IPD25N06S4L-30
0805 R10 1k
R11 2k X3
5001
X4
5001
FBH FBL
3 1
NC 2 D8 BAS16
IVCC(5V)
50V C36 100nF
GND
100V C25 1nF
OUT+ (48V / 350mA) OUT-
GND
MPZ2012S102ATD25
L5 1kR
MPZ2012S102ATD25
L3 1kR
0805
R24
12k
0805 R26 12k
GND
0805
R25 150R
X20
5001
GND
X21
5001
SYNC
Vbat_FIL
IVCC(5V)
2818 R9 33mR
1 2
Phoenix Contact
X15 1935776
R23 2k
25V C29 47nF
0805 R12 10k
N.M.
N.M.
R6 47k
SPM10054T-470M-HZ
L6 47uH
Figure 6 Main power
Voltage-mode boost to ground evaluation kit
TLD5099EP
4 Schematics
User Manual 7
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5 PCB layout
Figure 7 PCB layout top view
Figure 8 PCB layout bottom view
Voltage-mode boost to ground evaluation kit
TLD5099EP
5 PCB layout
User Manual 8
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6 Bill of material
Table 2 Bill of material
Designator Value Manufacturer Manufacturer order number
C1, C2, C6, C7, C19 10uF muRata GCM32EC71H106KA03
C9, C26, C36 100nF AVX 06035C104K4Z2A
C13, C14 470pF muRata GCM1885C1H471JA16
C18 220uF Panasonic EEEFK1H221P
C20, C21, C22, C23, C34,
C35
4.7uF TDK CGA6M3X7S2A475K200AE
C25 1nF TDK Corporation CGA4F2X7R2A102M085AE
C27 10uF TDK CGA4J1X7S1C106K125AC
C29 47nF Kemet C0805C473J3GACAUTO
D1 Zener 10V-500mW
D2 PMEG6030EP,115 Nexperia PMEG6030EP,115
D8 BAS16 Infineon Technologies BAS16
L1 3.3uH Coilcra MSS7341T-332NL
L2 100H TDK Corporation MPZ2012S101ATD25
L3, L5 1kH TDK MPZ2012S102ATD25
L4 TDK ACM70V-701-2PL-TL00
L6 47uH TDK SPM10054T-470M-HZ
Q1 IPD90P04P4L-04 Infineon Technologies IPD90P04P4L-04
Q2 IPD25N06S4L-30 Infineon Technologies IPD25N06S4L-30
R1 10kΩ Vishay CRCW060310K0FK
R5 2.2Ω Vishay CRCW20102R20FK
R6 47kΩ Vishay CRCW080547K0FK
R8 10Ω Vishay CRCW060310R0FK
R9 33mΩ Vishay WSHM2818R0330FEA
R10 1kΩ Vishay CRCW08051K00FK
R11 2kΩ Vishay CRCW08052K00FK
R12 10kΩ Vishay CRCW080510K0FK
R23 2kΩ Vishay CRCW08052K00FK
R24, R26 12kΩ Vishay CRCW080512K0FK
R25 150Ω Vishay CRCW0805150RFK
U1 TLD5099EP Infineon Technologies TLD5099EP
X1, X14, X16 Solder Jumper 2
Pins
Infineon Technologies AG Solder Jumper 2 Pins
X2, X15, X18 1935776 Phoenix Contact 1935776
X3, X4, X8, X20, X21 5001 Keystone 5001
Voltage-mode boost to ground evaluation kit
TLD5099EP
6 Bill of material
User Manual 9
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Table 2 Bill of material (continued)
Designator Value Manufacturer Manufacturer order number
X5 TSM-103-01-S-SV Samtec TSM-103-01-S-SV
Voltage-mode boost to ground evaluation kit
TLD5099EP
6 Bill of material
User Manual 10
2020-01-29

7Eiciency measurements
Figure 9 Eiciency vs. input voltage
This eiciency performance has been obtained with:
Table 3 Parameters influencing eiciency
Output load: 139 Ω power resistor
EMI filter: Totally bypassed by closing the jumpers X1, X14 and X16
Eiciency performances can be increased: refer to Chapter 8.
Voltage-mode boost to ground evaluation kit
TLD5099EP
7 Eiciency measurements
User Manual 11
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8 Maximizing eiciency
This evaluation board has been designed to reach a fair compromise between eiciency performance and EMI
emissions compliance.
Nevertheless, if the maximum eiciency is needed, the following actions are suggested:
1. Remove the snubber circuit R5, C25 or choose a lower value for the capacitor C25 (for example 470 pF)
2. Bypass the whole EMI filter by bridging the jumpers X1, X14 and X16
3. Bypass the output ferrite beads L3 and L5
4. Replace the main inductor L6 with one that boasts a lower parasitic DC resistance, for example
• Vishay IHLP6767GZER470M8A
• Bourns SRP1770TA-470M
5. Bypass gate resistor R8
Voltage-mode boost to ground evaluation kit
TLD5099EP
8 Maximizing eiciency
User Manual 12
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9 Minimizing EMI emissions
This evaluation board has been designed to reach a fair compromise between eiciency performance and EMI
emissions compliance. Furthermore, this evaluation board can fulfill the class V of the CISPR25 in conducted
emissions from 150 kHz to 108 MHz.
Nevertheless, if the minimum EMI emission is required, the following actions should be considered:
1. Choose a higher value for the capacitor C25 (for example 2.2 nF)
2. Include the whole EMI filter by removing bridges from the jumpers X1, X14 and X16
3. Replace the 10 Ω resistor R8 with a higher value such as 22 Ω or 33 Ω
4. Replace the main inductor L6 with a shielded one (for example the Cyntec VCHE106G-470MS6) and
connect the shield to ground
5. With a short piece of wire connect the CHASSIS TERMINAL to the test ground plane as close as possible to
where the board is placed
Voltage-mode boost to ground evaluation kit
TLD5099EP
9 Minimizing EMI emissions
User Manual 13
2020-01-29

10 Revision history
Document
version
Date of release Description of changes
Rev. 1.00 2020-01-29 First release related to evalboard S00_P00.
Voltage-mode boost to ground evaluation kit
TLD5099EP
10 Revision history
User Manual 14
2020-01-29

Trademarks
All referenced product or service names and trademarks are the property of their respective owners.
Edition 2020-01-29
Published by
Infineon Technologies AG
81726 Munich, Germany
© 2020 Infineon Technologies AG
All Rights Reserved.
Do you have a question about any
aspect of this document?
Email: [e-mail]
Document reference
IFX-yxm1579001430130
IMPORTANT NOTICE
The information contained in this application note is
given as a hint for the implementation of the product
only and shall in no event be regarded as a description
or warranty of a certain functionality, condition or
quality of the product. Before implementation of the
product, the recipient of this application note must
verify any function and other technical information
given herein in the real application. Infineon
Technologies hereby disclaims any and all warranties
and liabilities of any kind (including without limitation
warranties of non-infringement of intellectual property
rights of any third party) with respect to any and all
information given in this application note.
The data contained in this document is exclusively
intended for technically trained sta. It is the
responsibility of customer’s technical departments to
evaluate the suitability of the product for the intended
application and the completeness of the product
information given in this document with respect to such
application.
WARNINGS
Due to technical requirements products may contain
dangerous substances. For information on the types
in question please contact your nearest Infineon
Technologies oice.
Except as otherwise explicitly approved by Infineon
Technologies in a written document signed by
authorized representatives of Infineon Technologies,
Infineon Technologies’ products may not be used in
any applications where a failure of the product or
any consequences of the use thereof can reasonably
be expected to result in personal injury