STEVAL-ILL015V3 STMicroelectronics

STEVAL-ILL015V3 HB LED driver with diagnostic based on the LED2472G Data brief Description The STEVAL-ILL015V3 evaluation board provides a platform to test and evaluate STMicroelectronics LED2472G LED driver. The LED2472G device is a 24-bit constant- current LED sink driver with output error detection, suitable for applications such as large- area displays and full-color board panels where improvement in RGB LED resolution and reduction of system costs are important. Features Two LED2472G devices in TQFP48 package connected to 3 x 16 RGB high-brightness LEDs STM32 microcontroller Cost-effective internal high-side oscillator JTAG interface for microcontroller firmware changes/updates Mini USB connector for connection with a PC GUI Test points on the board for each important signal aids laboratory evaluation Buttons and knob to control the board Error and overtemperature flag for each LED driver 3 jumpers to simulate the disconnection of 3 LEDs 3 jumpers to simulate the shorting of 3 LEDs Highly-efficient ST1S010 DC-DC switching power supply Input: 7.5 V to 18 V, 0.7 A RoHS compliant July 2014 DocID026278 Rev 1 1/5 For further information contact your local STMicroelectronics sales office. www.st.comSchematic diagram STEVAL-ILL015V3 1 Schematic diagram Figure 1. STEVAL-ILL015V3 circuit schematic 2/5 DocID026278 Rev 1 CN5 U4 MSS7341-332NLBCoilCraft LD39015M33R U5 10uFsizeA16V(10V) 1 6 ST1S10 7 4V5 4V5 3V3 3V3 VIN SW SW 2 C1 1 5 C7 L1 3u3 Vin Vout 3 4u7(10u) 2 C4 EN R18 Ceramic 1 3 C2 100uF(47uF)sizeD,16V 2 C8 GM:K375A VIN A FB GND 5k6 R16 2 1 (C,D,E) 470nF Tantal Tantal 10nF 2k2 25V(35V) (D) 3 4 (A) INHIBIT NC D17 ST1S10 16V(10V) D18 BridgeLH C3 LD5 ST:SM6T18AC 100nF Red 2.0V R19 1k2 PC13 PC14 PC15 R46 R47 R48 P4 SignalforSerial 100 100 100 USRX 1 JRST USTX 2 USDIR 3 3V3 CN1 3V3 S4 S1 S2 S3 3V3 3V3 1 2 C14 JTRST 1 3 4 100nF C10 C11 C12 JTDI CLK 2 5 6 100nF 100nF 100nF JTMS 7 8 P5PowerforSeria JTCK l 9 10 RESET/EXIT LEFT CENTER RIGHT R20 10K JRTCK 11 12 JTDO LE 13 14 JRST 15 16 U3 R22 10K DBGRQ 17 18 STM32F103Cx R23 10K DBGACK 19 20 GM:MLW20G 1 36 Vbat VDD 2 3V3 3V3 PC13 2 35 PC13 VSS 2 PC14 3 34 JTMS PC14 PA13 PC15 4 33 USBDP R15 PC15 PA12 ADC 2 R17 EXTCLK 5 32 USBDN C5 4n7 PD0 OSC-IN PA11 VarRez 6 31 JRST 330 PD1 OSC-OUT PA10 10K STM32 C13 JTRST 7 30 R25 100K NRST PA9 100nF 8 29 CLKOUT J1 VSSA PA8 9 28 5 3V3 VDDA PB15 SHLD 10 27 PA0-WKUP PB14 11 26 OE1B 4 PA1 PB13 GND 12 25 OE2B 3 PA2 PB12 D+ 2 D- 1 VBUS U6 DDD1 DDD2 DDD3 Vcc 440247-2 ST ROH1 ROH2 3V3 3V3 ST LOGO ROH1 ROH2 USBDP 1 6 D1 33R D4 C17 C16 3V3 100nF 100nF 2 5 GND VCC hole1 hole2 hole3 hole4 HOLE HOLE HOLE HOLE USBDN 3 4 33R D2 D3 3V3 USB ESD DistanceHole DistanceHole DistanceHole DistanceHole 1 3 4 3 9 5 SYNC 4 AGND 8 PGND ADC 13 48 PA3 VDD 3 JTDO LE 14 47 PA4 VSS 3 JTDI CLK 15 46 PA5-CLK(SPI1) PB9 SDO 16 45 PA6-MISO(SPI1) PB8 SDI 17 44 PA7-MOSI(SPI1) BOOT0 OE2R 18 43 USRX PB0 PB7 OE2G 19 42 USTX PB1 PB6 20 41 USDIR PB2 PB5 OE1R 21 40 JTRST PB10 PB4 OE1G 22 39 JTDO LE PB11 PB3 23 38 JTDI CLK VSS 1 PA15 24 37 JTCK VDD 1 PA14 1k5 2 1