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UM2554
User manual
High brightness LED array driver with diagnostics for automotive applications
based on STAP16DPS05 and STM8A
Introduction
The STEVAL-ILL059V1 is a high brightness LED array driver evaluation board with diagnostics based on the
STAP16DPS05
low voltage 16-bit constant current LED sink driver for automotive applications.
The LED driver is configured and controlled through an 8-bit automotive grade STM8A microcontroller via SPI interface. The
A5974D
automotive grade DC-DC converter provides the necessary voltage and power for all the board functions.
The package includes a GUI that helps you evaluate the features of the LED driver and download your own application firmware
onto the board through the SWIM interface.
Figure 1.
STEVAL-ILL059V1 LED array driver evaluation board
UM2554 - Rev 1 - February 2019
www.st.com
For further information contact your local STMicroelectronics sales office.
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Summary of Contents for ST STEVAL-ILL059V1
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Page 1: Figure 1. Steval-Ill059V1 Led Array Driver Evaluation Board
High brightness LED array driver with diagnostics for automotive applications based on STAP16DPS05 and STM8A Introduction The STEVAL-ILL059V1 is a high brightness LED array driver evaluation board with diagnostics based on the STAP16DPS05 low voltage 16-bit constant current LED sink driver for automotive applications. -
Page 2: Overview
Figure 2. Block diagram of STEVAL-ILL059V1 evaluation board The STEVAL-ILL059V1 evaluation board includes a DC input power supply, an 8-bit microcontroller and a SWIM connector to program the microcontroller, 32 white LEDs and user interface buttons and potentiometers to control... -
Page 3: Figure 3. Steval-Ill059V1 Evaluation Board (Top)
UM2554 Overview Figure 3. STEVAL-ILL059V1 evaluation board (top) 1. 6–24 V DC power supply with reverse voltage protection and short-circuit protection, standard DC jack input A5974D automotive grade switching regulator for automotive applications 3. LF33: 3.3 Volt linear voltage regulator for automotive applications... -
Page 4: Figure 4. Steval-Ill059V1 Evaluation Board (Bottom)
UM2554 Overview Figure 4. STEVAL-ILL059V1 evaluation board (bottom) 15. Slot for USB to UART daughterboard Figure 5. RS232-USB bridge daughterboard (top) 1. Mini-B type female USB connector 2. SWD connector (for programming daughter board) 3. Connector for UART communication between main board and daughter board... -
Page 5: Figure 6. Rs232-Usb Bridge Daughterboard (Bottom)
UM2554 Overview Figure 6. RS232-USB bridge daughterboard (bottom) STM32F103C8T7 32-bit microcontroller 6. 16 MHz crystal UM2554 - Rev 1 page 5/23... -
Page 6: Operating Modes
UM2554 Operating modes 1.1.1 Standalone Mode In standalone Mode, the STEVAL-ILL059V1 evaluation board is not connected to a PC via the RS232-USB interface board. In this mode, you can perform the following actions: • run default LED demo patterns •... -
Page 7: Sample Firmware Demos
LED demo patterns Alphanumeric text in flashing mode demo In the alphanumeric text in flashing mode demo, the letters “ST” flash in the LED matrix; the flashing rate is adjustable, but the brightness potentiometer remains inactive in this mode. Figure 7. -
Page 8: Figure 9. Random Pattern 1
UM2554 LED demo patterns Random pattern Figure 9. Random pattern 1 Figure 10. Random pattern 2 UM2554 - Rev 1 page 8/23... -
Page 9: Error Detection Demonstration
UM2554 Error detection demonstration Figure 11. Random pattern 3 Figure 12. Random pattern 4 Error detection demonstration In the error detection demo, the drivers perform open-error detection and short-error detection simultaneously. If a defective LED is found, it is signaled by lighting the corresponding LED in the row below for an open circuit fault and on the left for a short-circuit fault. - Page 10 UM2554 Error detection demonstration Jumper Required action Fault type Error in LED Shown on LED Remove jumper Open Remove jumper Open Remove jumper Open Remove jumper Open Remove jumper Open UM2554 - Rev 1 page 10/23...
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Page 11: How To Use The Gui
On successful installation, the STAP08DP05 Demo software appears in your list of programs. Step 2. Install the VCP driver (if it is not already present): …\Program Files\ STMicroelectronics\LED Driver Demo\ST VCP Driver. Both 32-bit version and 64-bit version are included in the setup. Step 3. -
Page 12: Figure 14. Basic Mode Functions
UM2554 How to use the Basic Mode functions Figure 14. Basic Mode functions Step 2. In the [Button Control] area, use the [←] and [→] arrow buttons to toggle through the preconfigured demos available in the firmware. You can use the [Enable] or [Disable] buttons to enable or disable the physical interface controls available on the board. -
Page 13: How To Use The Frame Programming Functions
UM2554 How to use the Frame Programming functions How to use the Frame Programming functions Frame programming allows you to define and run your own LED sequence programs on the evaluation board. Step 1. In the left panel, select the [Frame Programming] button. Figure 16. -
Page 14: Thermal Behavior
Below are the thermal images around the TSM8 microcontroller and around the LED drivers and LED array at the maximum current of 20 mA in all channels. Figure 17. STEVAL-ILL059V1 thermal image 1 Figure 18. STEVAL-ILL059V1 thermal image 2 UM2554 - Rev 1... -
Page 15: Schematic Diagrams
UM2554 Schematic diagrams STEVAL-ILL059V1 schematics Figure 19. STEVAL-ILL059V1 schematics - power Figure 20. STEVAL-ILL059V1 schematics - MCU UM2554 - Rev 1 page 15/23... -
Page 16: Figure 21. Steval-Ill059V1 Schematics - Open Circuit Jumpers
UM2554 STEVAL-ILL059V1 schematics Figure 21. STEVAL-ILL059V1 schematics – open circuit jumpers Break Figure 22. STEVAL-ILL059V1 schematics – short circuit jumpers Figure 23. STEVAL-ILL059V1 schematics - connectors UM2554 - Rev 1 page 16/23... -
Page 17: Stap16Dps05 Schematics
STAP16DPS05 schematics Figure 24. STEVAL-ILL059V1 schematics – STAP16DPS05 LED driver section... -
Page 18: Rs232-Usb Schematics
UM2554 RS232-USB schematics RS232-USB schematics Figure 25. RS232-USB schematics – USB section Figure 26. RS232-USB schematics – STM32 section Figure 27. RS232-USB schematics – USB to UART connector UM2554 - Rev 1 page 18/23... -
Page 19: Revision History
UM2554 Revision history Table 2. Document revision history Date Version Changes 15-Feb-2019 Initial release. UM2554 - Rev 1 page 19/23... -
Page 20: Table Of Contents
STEVAL-ILL059V1 schematics ........ - Page 21 Figure 24. STEVAL-ILL059V1 schematics – STAP16DPS05 LED driver section ......17 Figure 25.
- Page 22 UM2554 List of tables List of tables Table 1. Error detection jumper table ............9 Table 2.
- Page 23 ST’s terms and conditions of sale in place at the time of order acknowledgement. Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of Purchasers’...
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