Infineon TLD5098EP Manuale utente

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.

• 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 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

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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

8 Maximizing eiciency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

9 Minimizing EM emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

10 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Disclaimer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

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 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. In this configuration it can deliver up to 17 W to the load with an eiciency above 91%.

Note: The board is not protected against output short circuits. If a protection is needed, place a 500 mA fast

blow fuse in series with the positive power output terminal.

Figure 1 Board picture

Voltage-mode boost to ground 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 350 mA

Switching frequency VIN = 13.2 V 400 kHz

Eiciency Measured with a 136 Ω power resistor as load > 91%

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

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 48 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 boost to ground evaluation kit

TLD5098EP

2 Quick start procedure

User Manual 4

2020-09-17

3 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.

Figure 4 Auto-enable configuration

Voltage-mode boost to ground 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 15:38:39Date: Sheet of

Time:

Author: Riccardo Zuin

03-TLD5098EP_VB2G_S00_Input Filter.SchDoc

Infineon TechnologiesAG

IFI DC ATV BP

Via Niccolo Tommaseo 65b 35131 Padova Italy

S00

Title

Size: Rev.

A3 Document Name

03-TLD5098EP_VB2G_S00_Input Filter.SchDoc

Rel.

REL

Variant TLD5098EP_VB2G

[No Variations] Approved <Appr.>

SVN Revision: Not in version control

GND

External Enable

2 3

IPD90P04P4L-04

10k

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

700R

Chassis

Phoenix Contact

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)

50V

C18

220uF

GNDGND

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

50V

10uF 50V

10uF

MSS7341T-332NL

3.3uH

Phoenix Contact

X18

1935776

BZX84C10LT1G

10V

Figure 5 Input filter

Voltage-mode boost to ground evaluation kit

TLD5098EP

4 Schematics

User Manual 6

2020-09-17

D D

C C

B B

A A

18/03/2020 15:39:43Date: Sheet of

Time:

Author: Riccardo Zuin

04-TLD5098EP_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-TLD5098EP_VB2G_S00_Main Power.SchDoc

Rel.

REL

Variant TLD5098EP_VB2G

[No Variations] Approved <Appr.>

SVN Revision: Not in version control

Vbat_FIL

C26

100nF

GND

C27

10uF

GND

IVCC(5V)

Vbat_FIL

GND

Rfreq

(400kHz)

TSM-103-01-S-SV

Ext_EN

(1-2) External Enable

(2-3) Internal Enable

GND

50V

C19

10uF

GND

10R 2010

2.2R

GND

12 D2

PMEG6030EP,115

GND GND

GND

48V / 350mA

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

IPD25N06S4L-30

0805

R10

5001

FBH FBL

50V

C36

100nF

GND

100V

C25

1nF

OUT+ (48V / 350mA)

OUT-

GND

MPZ2012S102ATD25

1kR

MPZ2012S102ATD25

1kR

0805

R24

12k

0805

R26

12k

GND

0805

R25

150R

GND

X21

5001

SYNC

Vbat_FIL

IVCC(5V)

2818

33mR

Phoenix Contact

X15

1935776

25V

C29

47nF

0805

R12

10k

47k

SPM10054T-470M-HZ

47uH

X20

D3082-05GND

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

Figure 6 Main power

Voltage-mode boost to ground 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 boost to ground 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

C13, C14 470 pF Murata GCM1885C1H471JA16

C18 220 uF Panasonic EEEFK1H221P

C20, C21, C22, C23, C34,

C35

4.7 uF TDK CGA6M3X7S2A475K200AE

C25 1 nF TDK CGA4F2X7R2A102M085AE

C27 10 uF TDK CGA4J1X7S1C106K125AC

C29 47 nF Kemet C0805C473J3GACAUTO

D1 10 V ON Semiconductor BZX84C10LT1G

D2 PMEG6030EP,115 Nexperia PMEG6030EP,115

L1 3.3 uH Coilcra MSS7341T-332NL

L2 100 Ω @ 100 MHz TDK MPZ2012S101ATD25

L3, L5 1kΩ @ 100 MHz TDK MPZ2012S102ATD25

L4 TDK ACM70V-701-2PL-TL00

L6 47 uH TDK SPM10054T-470M-HZ

Q1 IPD90P04P4L-04 Infineon Technologies IPD90P04P4L-04

Q2 IPD25N06S4L-30 Infineon Technologies IPD25N06S4L-30

R1 10 kΩ Vishay CRCW060310K0FK

R5 2.2 Ω Vishay CRCW20102R20FK

R6 47 kΩ Vishay CRCW080547K0FK

R8 10 Ω Vishay CRCW060310R0FK

R9 33 mΩ Vishay WSHM2818R0330FEA

R10 1 kΩ Vishay CRCW08051K00FK

R11 14 kΩ Vishay CRCW080514K0FK

R12 10 kΩ Vishay CRCW080510K0FK

R24, R26 12 kΩ Vishay CRCW080512K0FK

R25 150 Ω Vishay CRCW0805150RFK

U1 TLD5098EP Infineon Technologies TLD5098EP

X1, X14, X16 Solder Jumper 2

Pins

Solder Jumper 2 Pins

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 boost to ground evaluation kit

TLD5098EP

6 Bill of material

User Manual 9

2020-09-17

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: 136 Ω power resistor

EMI filter: Totally bypassed by closing the jumpers X1, X14, and X16

Eiciency performances can be increased, see Chapter 8.

Voltage-mode boost to ground evaluation kit

TLD5098EP

7 Eiciency measurements

User Manual 10

2020-09-17

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