User Manual
2 of 18
Rev.1.00
2020-05-25
TLD5542-1IVREG-EVAL evaluation board
Table of contents
1
About this document ......................................................................................................................... 1
Table of contents ...................................................................................................................... 2
2
Description .............................................................................................................................. 3
3
Quick start procedure ............................................................................................................... 4
3.1
Setup as LED driver limp home mode (microcontroller-less) ............................................................... 4
3.2
Set up as voltage regulator - Limp home mode (μC-less – no PC GUI) .................................................. 5
3.3
Connecting the board to the μIO stick.................................................................................................... 6
4
Infineon μIO stick and Infineon Toolbox ..................................................................................... 8
4.1
Install and launch Config Wizard ............................................................................................................ 9
5
Board control with PC GUI ........................................................................................................10
5.1
Basic user interface ............................................................................................................................... 10
5.2
Engineering user interface .................................................................................................................... 11
6
Operating range and power derating ........................................................................................13
7
Electrical characteristics ..........................................................................................................14
8
PCB layout ..............................................................................................................................15
9
Schematic ...............................................................................................................................16
Revision history ...............................................................................................................................17
Page 1: ...age regulation SPI for diagnostics and control Limp home function Fail safe mode EMC optimized device Spread spectrum Scope and purpose Scope of this user manual is to provide to the audience instruct...
Page 2: ...home mode microcontroller less 4 3 2 Set up as voltage regulator Limp home mode C less no PC GUI 5 3 3 Connecting the board to the IO stick 6 4 Infineon IO stick and Infineon Toolbox 8 4 1 Install an...
Page 3: ...he default configuration is constant current LED driver with 1 5 A maximum output current The output current can be increased up to 6A by changing RSHO If higher currents are needed the output filter...
Page 4: ...to start evaluating the TLD5542 1 without a microcontroller connection and without IO stick In limp home all the registers are set to their default value and the analog dimming is provided by the vol...
Page 5: ...3 A bypass RSHO with a solder joint on the resistor top 2 Connect J_EN LHI and PWMI jumpers Figure 6 Voltage regulator set LHI and EN jumpers populate solder jumps 3 Connect a 12 V power supply to th...
Page 6: ...remove jumpers 3 Connect the IO flat cable to j_uIO connector paying attention to the polarity pin 1 is marked on the PCB 4 Connect a 12 V power supply to the VIN connector Figure 10 Voltage regulato...
Page 7: ...rt procedure Figure 11 Voltage regulator with IO stick Adjust full scale 100 ADIM VOUT 7 Connect the load NOTE It is possible to adjust output voltage from 0 to full scale previously set by RVOLT with...
Page 8: ...n be downloaded via the Infineon Toolbox Plugs into the evaluation board via a standard 16 pin connector and allows easy interface to the microcontroller via USB for SPI CAN LIN communication etc Figu...
Page 9: ...g Wizard 1 Open the Manage tools tab 2 Search for Config Wizard for LED and click on Install button Figure 14 Install Config Wizard for LED 3 Select My Tools tab on Infineon Toolbox 4 Press Start on t...
Page 10: ...user interface Basic user interface allows simplified access to the main registers on TLD5542 1 e g analog dimming with a knob and provides direct feedback on TLD5542 1 status showing indicators for e...
Page 11: ...er interface compensation and EMC tabs 5 2 Engineering user interface The Engineering user interface allows the user to send a sequence of SPI commands to the TLD5542 1 PWMI and EN pin control is also...
Page 12: ...to describe each command with a comment and to save the list of commands by clicking on the Save button It is possible to set the delay applied before executing the next command in the Delay column t...
Page 13: ...5 C VIN 12 V see Figure 22 for power derating curve Please note that the module does not implement thermal protection so ensure proper cooling when output power exceeds the power derating curve The he...
Page 14: ...voltage VIN 5 5 35 V Power derating may occur for VIN 9 V Out voltage VOUT 2 3 3 51 22 5 V LED driver mode Voltage mode Output current IOUT 150 0 1500 5 mA A LED driver mode up to 6 A by changing RSHO...
Page 15: ...User Manual 15 of 18 Rev 1 00 2020 05 25 TLD5542 1IVREG EVAL evaluation board User Manual PCB layout 8 PCB layout Figure 23 PCB layout top view...
Page 16: ...User Manual 16 of 18 Rev 1 00 2020 05 25 TLD5542 1IVREG EVAL evaluation board User Manual Schematic 9 Schematic Figure 24 Schematic...
Page 17: ...l 17 of 18 Rev 1 00 2020 05 25 TLD5542 1IVREG EVAL evaluation board User Manual Revision history Revision history Document version Date of release Description of changes Rev 1 00 2020 05 25 Initial Us...
Page 18: ...applications The data contained in this document is exclusively intended for technically trained staff It is the responsibility of customer s technical departments to evaluate the suitability of the...
