Infinion TLD5098EP Manuale utente

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

• 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

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 EM 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 2020-09-17

1 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. In this configuration it can deliver up to 12 W to the load with an eiciency above 86%. Auxiliary

circuits, which 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 a few amps by the embedded current control loop.

Figure 1 Board picture

Voltage-mode SEPIC evaluation kit

TLD5098EP

1 Description

User Manual 2

2020-09-17

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 1 A

Switching frequency VIN = 13.2 V, spread spectrum "on" 400 kHz

Eiciency Measured with a 12 Ω power resistor as load > 86%

Output voltage range Output voltage related to ground 12 V

Output overvoltage

protection

Output voltage related to ground 16 V

Voltage-mode SEPIC evaluation kit

TLD5098EP

1 Description

User Manual 3

2020-09-17

2 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

required, change the values of the voltage divider resistors R24, R25, and R26 according to the following

equation:

(1)

VOUT

R24 + R25 + R26 ⋅R25 = VREF

where VOUT is the desired output voltage and VREF = 300 mV is the feedback reference voltage.

Correct device functioning is achieved if voltages VFBH and VFBL on both terminals of R25 are greater than 3 V

respect to ground.

Attention:On this board VOUT is set to 12 V by default. Increasing VOUT over the default level may damage

some components irreversibly.

The default configuration is depicted below:

Figure 3 Default configuration of the board

Voltage-mode SEPIC evaluation kit

TLD5098EP

2 Quick start procedure

User Manual 4

2020-09-17

3 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.

Figure 4 Auto-enable configuration

Voltage-mode SEPIC evaluation kit

TLD5098EP

3 Auto-enable configuration

User Manual 5

2020-09-17

4 Schematics

D D

C C

B B

A A

18/03/2020 15:36:18Date: Sheet of

Time:

Author: Riccardo Zuin

03-TLD5098EP_VSEPIC_S00_Input Filter.SchDoc

Infineon Technologies AG

IFI DC ATV BP

Via Niccolo Tommaseo 65b 35131 Padova Italy

S00

Title

Size: Rev.

A3 Document Name

03-TLD5098EP_VSEPIC_S00_Input Filter.SchDoc

Rel.

REL

Variant TLD5098EP_VSEPIC

[No Variations] Approved <Appr.>

SVN Revision: Not in version control

GND

External Enable

50V

C18

220uF

GND

2 3

IPD90P04P4L-04

10k

GND GND

Vbat_FIL

4A PI type filter. Suitable for switching frequency down to 200kHz

N.M.50V

100nF

GND GND GND

MPZ2012S101ATD25

100R

1 2

Solder Jumper 2 Pins

GND

V bat

Ext_EN

GND

1 2

X14

Solder Jumper 2 Pins

1 2

X16

Solder Jumper 2 Pins

50V

C14

470pF

50V

C13

470pF

1 4

2 3

ACM70V-701-2PL-TL00

700R

Chassis

50V

C30

4.7uF

50V

10uF 50V

10uF

XAL6060-103MEB

10uH

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)

Phoenix Contact

1935776

Phoenix Contact

X18

1935776

BZX84C10LT1G

10V

Figure 5 Input filter

Voltage-mode SEPIC evaluation kit

TLD5098EP

4 Schematics

User Manual 6

2020-09-17

D D

C C

B B

A A

18/03/2020 15:37:20Date: Sheet of

Time:

Author: Riccardo Zuin

04-TLD5098EP_VSEPIC_S00_Main Power.SchDoc

Infineon Technologies AG

IFI DC ATV BP

Via Niccolo Tommaseo 65b 35131 Padova Italy

S00

Title

Size: Rev.

A3 Document Name

04-TLD5098EP_VSEPIC_S00_Main Power.SchDoc

Rel.

REL

Variant TLD5098EP_VSEPIC

[No Variations] Approved <Appr.>

SVN Revision: Not in version control

Vbat_FIL Vbat_FIL

50V

C19

10uF

GND

10R

GND

12 D2

PMEG6030EP,115

GND

12V / 1A

GND GND

100V

C22

4.7uF

100V

C21

4.7uF

GND

100V

C20

4.7uF

OVFB > 1,25V when V OUT > 16V

IPD25N06S4L-30

0805

39k

5001

FBH FBL

3 1

NC 2

BAS16

IVCC(5V)

50V

C36

100nF

GND

OUT+ (12V / 1A)

OUT-

GND

MPZ2012S102ATD25

1kR

MPZ2012S102ATD25

1kR

GND

N.M.

GND

100V

C12

4.7uF

100V

C15

4.7uF

100V

C16

4.7uF

N.M. 0805

R24

3.9k

0805

R25

220R

0805

R26

4.7k

0805

R10

3.3k

2512

39mR

100V

C25

2.2nF

2512

4.7R

Phoenix Contact

X15

1935776

4 2

B82477D4223M000

L7A

22uH

R23

X20

D3082-05GND

C26

100nF

GND

C27

10uF

GND

IVCC(5V)

GND

Rfreq

(400kHz)

TSM-103-01-S-SV

Ext_EN

(1-2) External Enable

(2-3) Internal Enable

GND

5001

IVCC

Vbat_FIL

X21

5001

SYNC

Vbat_FIL

IVCC(5V)

SWO 2

SWCS 4

IVCC

SGND 3

COMP

PWMO 5

FBH 6

FBL 7

OVFB 9

SET

FREQ/SYNC

GND 12

EN/PWMI

14 EP 15

TLD5098EP

R11

14k

R12

100V

C29

100nF

GND

Figure 6 Main power

Voltage-mode SEPIC evaluation kit

TLD5098EP

4 Schematics

User Manual 7

2020-09-17

5 PCB layout

Figure 7 PCB layout top view

Figure 8 PCB layout bottom view

Voltage-mode SEPIC evaluation kit

TLD5098EP

5 PCB layout

User Manual 8

2020-09-17

6 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 AVX 06035C104K4Z2A

C12, C15, C20, C21 4.7 uF TDK CGA6M3X7S2A475K200AE

C13, C14 470 pF Murata GCM1885C1H471JA16

C16, C22 4.7 uF TDK CGA6M3X7S2A475K200AE

C18 220 uF Panasonic EEEFK1H221P

C25 2.2 nF Murata GCM2165C2A222FA16

C27 10 uF TDK CGA4J1X7S1C106K125AC

C29 100 nF TDK CGA4J2X7R2A104M125AE

C30 4.7 uF Kemet C1210C475K5RACAUTO

D1 10 V ON Semiconductor BZX84C10LT1G

D2 PMEG6030EP,115 Nexperia PMEG6030EP,115

D8 BAS16 Infineon Technologies BAS16

L1 10 uH Coilcra XAL6060-103MEB

L2 100 Ω @ 100 MHz TDK MPZ2012S101ATD25

L3, L5 1 kΩ @ 100 MHz TDK MPZ2012S102ATD25

L4 TDK ACM70V-701-2PL-TL00

L7 22 uH TDK B82477D4223M000

Q1 IPD90P04P4L-04 Infineon Technologies IPD90P04P4L-04

Q2 IPD25N06S4L-30 Infineon Technologies IPD25N06S4L-30

R1 10 kΩ Vishay CRCW060310K0FK

R5 4.7 Ω Vishay CRCW25124R70FK

R6 39 kΩ Vishay CRCW080539K0FK

R8 10 Ω Vishay CRCW060310R0FK

R9 39 mΩ Vishay WSL2512R0390FEA

R10 3.3 kΩ Vishay CRCW08053K30FK

R11 14 kΩ Vishay CRCW080514K0FK

R12 0 Ω Yageo AC0805JR-070RL

R23 2 kΩ Vishay CRCW08052K00FK

R24 3.9 kΩ Vishay CRCW08053K90FK

R25 220 Ω Vishay CRCW0805220RFK

R26 4.7 kΩ Vishay CRCW08054K70FK

U1 TLD5098EP Infineon Technologies TLD5098EP

X1, X14, X16 Solder Jumper 2

Pins

Solder Jumper 2 Pins

Voltage-mode SEPIC evaluation kit

TLD5098EP

6 Bill of material

User Manual 9

2020-09-17

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

X5 TSM-103-01-S-SV Samtec TSM-103-01-S-SV

X20 D3082-05 Harwin D3082-05

Voltage-mode SEPIC evaluation kit

TLD5098EP

6 Bill of material

User Manual 10

2020-09-17

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