Infineon TLD5190 Manuel utilisateur

User Manual Please read the Important Notice and Warnings at the end of this document Rev.1.00

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TLD5190 VOLT DEMO evaluation board

User Manual

About this document

Product description

TLD5190: H-Bridge buck-boost DC-DC controller designed for high power, high efficiency automotive

applications

• Constant current (LED driver) and constant voltage regulation

• EMC optimized device: Spread spectrum

Scope and purpose

Scope of this user manual is to provide to the audience instructions on usage of the TLD5190 VOLT DEMO

evaluation board schematic version V3.1, PCB version R2.

The TLD5190 VOLT DEMO is an evaluation platform for the TLD5190 set as compact voltage regulator.

Figure 1 TLD5190 VOLT DEMO evaluation board

Intended audience

Hardware engineers, system architects

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User Manual

Table of contents

1Table of contents

About this document......................................................................................................................... 1

1Table of contents...................................................................................................................... 2

2Description .............................................................................................................................. 3

3Quick start procedure............................................................................................................... 4

4Operating range and power derating ......................................................................................... 6

5Electrical characteristics........................................................................................................... 7

6PCB - component placement ..................................................................................................... 8

7Schematic................................................................................................................................ 9

8BOM .......................................................................................................................................10

Revision history...............................................................................................................................11

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TLD5190 VOLT DEMO evaluation board

User Manual

Description

2Description

The H-Bridge architecture is among the most efficient buck-boost topologies for high current applications. The

TLD5190 can be configured as voltage regulator or LED driver.

The TLD5190 VOLT DEMO is an evaluation platform for the TLD5190 as voltage regulator. The PCB is extremely

compact and can fit in to small applications enclosures for fast prototyping.

Note: The board has been designed as voltage pre-regulator for rear lighting applications, so it will

startup correctly only with output current > 100 mA. In case of startup with no load the soft-start

capacitor has to be dimensioned accordingly with the application conditions (input and output

voltage).

The soft start enables DCM (Discontinuous Conduction Mode), this may prevent exact regulation at startup with

no load. In case of startup without load the output voltage may rise above the target and the Comp capacitor to

be discharged. After the soft start expires, the TLD5190 applies CCM, and the output voltage would be discharged

producing a short circuit detection.

Figure 2 TLD5190 as voltage regulator

On the board, in addition there are 3 LEDs to indicate PWMI and error flags status, and 2 switches to activate

spread spectrum and PWMI.

Figure 3 TLD5190 VOLT DEMO LEDs signals

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TLD5190 VOLT DEMO evaluation board

User Manual

Quick start procedure

3Quick start procedure

Below, step by step procedures are laid out for setup and running the TLD5190 VOLT DEMO.

1. Connect a dummy load at the OUT terminals which could withstand the Max VOUT

a. Example: 10W 47 Ωresistor

2. Connect the power supply at the IN terminals

Figure 4 Connect the load and the power supply

3. Set J1-PWMI DIP switch to ON →the green PWMI LED should light up

4. Set the output voltage to the desired value by rotating RV2

Figure 5 Set PWMI to ON and trim VOUT to the desired value

5. Now that VOUT has been trimmed to the right value, connect the real load at the OUT terminals

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TLD5190 VOLT DEMO evaluation board

User Manual

Quick start procedure

Figure 6 Connect the real load

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Operating range and power derating

4Operating range and power derating

The TLD5190 VOLT DEMO has very high efficiency, so it can deliver up to 40 W at the output without a heat sink

at TA= 25°C, VIN = 12 V IOUT < 3 A (see Figure 7 for power-derating curve).

Note: The module does not implement thermal protection, so ensure proper cooling when output power

exceeds the power-derating curve. The heat sink has to be positioned below the switching

MOSFETs.

Pout[W]

6929 VIN[V]

30 TA=25°C

Figure 7 Output power derating curve (TA= 25°C, IOUT < 3 A)

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Electrical characteristics

5Electrical characteristics

Table 1 TLD5190 VOLT DEMO schematic version V3.1 –Electrical characteristics

Figure 8 TLD5190 VOLT DEMO Efficiency

0 5 10 15 20 25

Efficiency %

POUT (W)

TLD5190 MiniVDemo Efficiency VIN = 12 V, VOUT = 9 V. IOUT: from 0.4 A to 2.1 A

with filters

without filters

Parameter

Symbol

Value

Unit

Note/Test Condition

Min.

Typ.

Max.

Input voltage

VIN

–

Output voltage

VOUT

–

RV2 trimmer could set VOUT as low as 1.5 V , but

short to GND would be detected

Output current

IOUT

–

Input current limit

IIN_MAX

–

Output power

POUT

–

VIN 12 V to 28 V, IOUT < 3 A, TA= 25°C

see Figure 7 for power derating curve

Switching

frequency

Switching

frequency

–

290

–

kHz

Spread spectrum deviation is present

System efficiency

Eff

–

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PCB - component placement

6PCB - component placement

Figure 9 PCB dimensions and component placement - top view

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Schematic

7Schematic

Figure 10 Schematic

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About this document

8BoM

Table 2 BoM TLD5190 microVBoard

BoM: TLD5190 - microVBoard R2

Configuration: Voltage mode

Designator

Comment

Footprint

15nF 16V X7R

C0402

C9,C21,CIN1,CIN2,COUT1,COUT2,COUT3,COUT4,COUT5

10uF 50V 1210

C1210

C50

100n 0402

C0402

C55

1uF 50V X7R 0603

C0805

C66

C0402

C67

C0402

C69

10n 50V 0402

C0402

CBS1,CBS2,CIN3,CREF

100nF 50V

C0402

CIN_FILT

220nF 6.3V 0402

C0402

CIVCC

10uF 6.3V 0805

C0805

CSNUB2,CSNUB3

680pF

C0402

CSOFTSTART

22nF 16V

C0402

DBS1,DBS2

NXP_BAT46WJ

SOD323F

DZ3

ZENER 10V

SOD323

FB1, FB2

IND 220R/100MHz

IND SMD 0805

A6S-2104-H

DIP SW 2 SMD SDA02H0SB

XAL1010-153

IND SMD XAL1010+XAL8080

XAL4030-332

IND SMD XAL4030

LEF1,LEF2

RED LED

LED 0603 RED

L_IN

XAL5030-332

IND SMD XAL5030

PWM

GREEN LED

LED 0603 GREEN

BSZ08P03NS3

PG-TSDSON-8 SGD

R26

10k 1% 0402

R0402

R34,R35,R45

1k5

R0402

R58,R59,R61

10kΩ1%

R0402

R60

1k5

R0402

R111

50Ω

R0402

Rcomp

1k 1% 0402

R0402

REN3

10kΩ0402

R0402

RFH

150

R0402

RFL

1k5

R0402

RFREQ

39kΩ0402

R0402

RG1,RG2,RG3,RG4

10 Ω

R0402

RSHIN

7mΩ0612

R0612

RSHSW

5mΩ0612

R0612

RSNUB2,RSNUB3

5.1Ω

R0603

RUV1

14.3k 1% 0402

R0402

RUV2

6.2k 1% 0402

R0402

RUV3

1k5 1% 0402

R0402

RV2

20k TRIM

TRIMMER SMD 23B

RVFBH

33k 1%

R0402

RVFBH2

14.3k 1%

R0402

RVFBL

1k5

R0402

SJ1,SJ2

SOLDER JUMP

T1,T2

IFX_IPG20N06S4L-26

PG-TDSON-8-4

TLD5190QV

VQFN48 7X7 P05

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