High brightness RGB LED array driver with local dimming and diagnostics based on the LED1642GW and STM32

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Cameron Baldwin
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STEVAL-ILL0V High brightness RGB D array driver with local dimming and diagnostics based on the DGW and STM Data brief Features High brightness x RGB D matrix Complete hardware and software package

Description The STEVAL-ILL0V is a high brightness RGB D array driver system evaluation board with local dimming and diagnostics based on DGW independent PWM D driver controlled through an STM

1 STEVAL-ILL0V High brightness RGB D array driver with local dimming and diagnostics based on the DGW and STM Data brief Features High brightness x RGB D matrix Complete hardware and software package Various preconfigured and programmable patterns Open/short error simulation and real-time detection to V DC polarity-independent power supply GUI for advanced driver configuration RoHS compliant Description The STEVAL-ILL0V is a high brightness RGB D array driver system evaluation board with local dimming and diagnostics based on DGW independent PWM D driver controlled through an STM microcontroller SPI interface. An ST L DC-DC converter provides the voltages/power for overall functioning of the board. October 0 DocID0 Rev / For further information contact your local STMicroelectronics sales office

2 Schematic diagrams STEVAL-ILL0V Schematic diagrams Figure : STEVAL-ILL0V power supply.v VOUT FB L COMP D - + BRIDGE U VCC EN FSW C 0uF C 00nF SYNC SMTA D nf C C0 0nF R 00k R C C 0uF/0V CN 0pF k KA CONN GM: L uh D STPSL0A C.nF R0 00E R.K R 0E R 0E C u F U NC VOUT VOUT VOUT VOUT VIN NC C 00nF LDDTR SMD00 / DocID0 Rev

3 STEVAL-ILL0V Schematic diagrams DocID0 Rev / Figure : STEVAL-ILL0V D drivers PW PW PW DR DR DR DR DR DR DR DR DR D0R DR DR DR DR DR DR DG DG DG DG DG DG DG DG DG D0G DG DG DG DG DG DG DB DB DB DB DB DB DB DB DB D0B DB DB DB DB DB DB.V.V.V.V.V.V.V PW.V PW C 00nF U OUT0 DGW OUT OUT OUT OUT OUT 0 OUT OUT OUT OUT OUT0 OUT OUT OUT OUT OUT 0 PW VDD R-EXT R K U OUT0 DGW OUT OUT OUT OUT OUT 0 OUT OUT OUT OUT OUT0 OUT OUT OUT OUT OUT 0 PW VDD R-EXT R K C 00nF R K C 00nF U OUT0 DGW OUT OUT OUT OUT OUT 0 OUT OUT OUT OUT OUT0 OUT OUT OUT OUT OUT 0 PW VDD R-EXT SMD0

4 Schematic diagrams STEVAL-ILL0V Figure : STEVAL-ILL0V microcontroller, USB, JTAG connector, buttons, potentiometer.v JTRST C 00nF JTDO JTDI.V.V JTCK C 00nF 0 Part Reference = STMF0CX(CT) = U.V.V C 00nF USBDP USBDN JRST.V R 0E R 00k U PC PC PC JTRST TIMETR TIMCH R0 0E D D VCC D D USB_ESD, USBLC-P VBAT PC PC PC PD0_OSC-IN PD_OSC-OUT NRST VSSA 0 VDDA PA0-WK UP PA PA.V.V ADC R 00k VDD_ VSS_ PB PB BOOT0 PB PB PB PB PB PA PA.V STMF PA PA PA-(SP ) PA-MISO(SP ) PA-MOSI(SP ) PB0 PB PB PB0 PB VSS_ VDD_ 0 R.k PW VDD_ VSS_ PA PA PA PA0 0 PA PA PB PB PB PB.V J SHLDM M D+ M D- M Vbus.V USB B Type 0-.V JTMS USBDP USBDN C 00nF R R C CAP NP PW R.K LD PW JRST PC PC PC S S S S C 00nF C0 00nF C 00nF C 00nF.V ADC R 0E R POT_0K.V P Power for serial C 00nF.V CN.V R R 0K 0K JTRST JTDI JTMS JTCK JRTCK JTDO JRST DBGRQ DBGACK 0 0 R 0K GM: MLW0G SMD0 / DocID0 Rev

5 STEVAL-ILL0V Schematic diagrams Figure : STEVAL-ILL0V high brightness Ds, open/short circuit jumpers R DR DGT DB R DR DG DB DR DGT DB DR DG DB DR D0 R E D DR R DG DB R DR DG DG DB DR DG DB DG DGT DB DR DGT DB DR DG DB DR DG DB DR DG DB DG DGT R R R R D D D D J R D R E D R E D D R E D J J R DG DGT R R DR R DGT DB R E R DR DG DB 0R D0R R R D0G D0B R D E R DR R DG R E R E R0 E R E DB J DG DGT R E D D R E R D R E R E R E R E C 0uF J C 0uF J C 0uF D J J C 0uF SMD0 DocID0 Rev /

6 Revision history STEVAL-ILL0V Revision history Date Revision Changes -Oct-0 Initial release. / DocID0 Rev

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