STEVAL-IDB006V1 Schematic diagram Figure 1: STEVAL-IDB006V1 circuit schematic (1 of 5) GND 1 1 2 2 1 C2 C3 150nF 10V 1uF SMD 0402 SMD 0402 2 2 1 C1 100pF SMD 0402 Blue_NRG-MS GND C4 100nF 16V SMD 0402 1 GND 10uH 1 2 1 24 23 22 21 20 19 18 17 GND 3 SIG 2 2 1 GND C42 SMD 0402 56pF NOT MOUNTED 2 ANT1 2 2.4 GHz Rainsun AN2051-245 GND 1 1 VBAT1 VBAT2 A1 A2 BALF-NRG-01D3 GND L4 5.6nH 2 1 SMD 0402 2 C13 GND NOT MOUNTED NX3225SA_16_MHz Y2 2 C15 15pF SMD 0402 1 SMD 0402 C10 56pF 2 1 U8 B1 B2 GND 1 NX3215SA _32kHz 2 VBAT1 SXTAL0 SXTAL1 RF0 RF1 VBAT2 FXTAL0 FXTAL1 9 10 11 12 13 14 15 16 BLUENRG-MS C7 22pF SMD 0402 Y1 2 GND 2 U.FL connector GND 1 SPI_MOSI SPI_CLK SPI_IRQ TEST1 VBAT3 TEST2 TEST3 TEST4 C6 22pF SMD 0402 TEST5 TEST6 TEST7 VDD1V8 TEST8 TEST9 TEST11 TEST12 VBAT3 1 2 3 4 5 6 7 8 1 BlueNRG_RST SPI_MISO SPI_CS TEST10 VDD1V2DIG SMPSFILT2 NO_SMPS SMPSFILT1 RESETN SPI2_MOSI SPI2_CLK BlueNRG_IRQ EXP_PAD U2 33 GND U7 2nH SMD 0402 1 L9 1 32 SPI2_MISO 31 BlueNRG_CS 30 29 28 27 26 25 SMD 0805 2 2 L1 C14 0.5pF SMD 0402 SMD 0402 C16 15pF 1 SMD 0402 GND GND L10 0 ohm GND GND Line 50 Ohm GND BLU_VDD GND C30 10V 1uF SMD 0402 GND 1 VBAT3 2 C29 100nF 16V SMD 0402 1 1 VBAT2 2 C28 10V 1uF SMD 0402 BLU_VDD 2 C27 100nF 16V SMD 0402 1 1 VBAT1 2 C26 10V 1uF SMD 0402 GND 2 GND GSPG1612151040SG 8 dBm 2 Layer ver si on 2 BLU_VDD 1 1 2 C23 100nF 16V SMD 0402 2 2 1 SMD 0402 C22 100pF SMD 0402 C31 100nF 16V SMD 0402 Figure 2: STEVAL-IDB006V1 circuit schematic (2 of 5) U1 BOOT0 User_Button_2 EEPROM_CS USB_DM USB_DP 5 6 7 3 4 44 10 11 12 13 14 15 16 17 29 30 31 32 33 38 PH0_OSC_IN PH1-OSC_OUT NRST PC14-OSC32_IN PC15-OSC32_OUT BOOT0 PA0-WKUP1 PA1 PA2 PA3 PA4 PA5 PA6 PA7 PA8 PA9 PA10 PA11 PA12 PA15-JTDI PB3-JTDO-TRACESWO PA14-JTCK-SWCLK PA13-JTMS-SWDIO PB4-NJTRST PC13-RTC_AF1-WKUP2 PB15 PB14 PB13 PB12 PB11 PB10 PB9 PB8 PB7 PB6 PB5 PB2-BOOT1 PB1 PB0 STM32L151CBU6 VSS_1 VSS_2 VSS_3 VSSA EXPOSED_PAD OSC_IN OSC_OUT nRESET VDD_1 VDD_2 VDD_3 VDDA VLCD 24 36 48 9 1 VDD_1 VDD_2 VDD_3 VDD_A VLCD MCU - Oscillator - MCU Voltage SWO SWCLK SWDIO 28 27 26 25 22 21 46 45 43 42 41 20 19 18 SPI2_MOSI SPI2_MISO SPI2_CLK BlueNRG_CS BlueNRG_RST BlueNRG_IRQ User_Button_1 USER_LED_2 USER_LED_1 23 35 47 8 49 STM32L151CBU6 39 37 34 40 2 GND GND A_VDD GND C24 16V 100nF SMD 0402 GND 1 Y3 OSC_OUT 8MHz R1 10k SMD 0402 2 C25 1uF 10V SMD 0402 GND OSC_IN D_VDD 1 1 C21 10uF 4V SMD 0402 2 C20 16V 100nF SMD 0402 1 VDD_A 2 2 GND C19 16V 100nF SMD 0402 2 C18 16V 100nF SMD 0402 2 C17 16V 100nF SMD 0402 D_VDD VDD_3 2 1 1 VDD_2 1 VDD_1 VLCD D_VDD 2 D_VDD 1 D_VDD GND nRESET Murata (CSTCE8M00G55-R0) Digikey (490-1195-1-ND) RS: 283-961 Farnell: 1615352 Figure 3: STEVAL-IDB006V1 circuit schematic (3 of 5) GSPG1612151045SG Figure 4: STEVAL-IDB006V1 circuit schematic (4 of 5) Power Mgmt stage U4 LDS3985PU33R DFN6D exposed pad USB_5V 1 VOUT BAT30F3 3 2 2 VIN VDD D1 6 VINH BYPASS C37 33nF 25V SMD 0402 GND 5 GND BLU_VDD D_VDD L7 1 C40 10nF 50V SMD 0402 1 0.6 Ohm 300 mA SMD 0402 1 0.6 Ohm 300 mA SMD 0402 VDD L8 2 GND GND C41 10nF 50V SMD 0402 2 1 2 0.6 Ohm 300 mA SMD 0402 1 2 2 2 GND GND VDD L6 1 C39 50V 10nF SMD 0402 2 7 2 1 GND GND7 4 STmi t e f l at ( DO222- AA) A_VDD NC 1 C33 1uF 10V SMD 0402 1 U5 SMM4F50A C34 2.2uF 6.3V SMD 0402 GND GSPG1612151055SG Figure 5: STEVAL-IDB006V1 circuit schematic (5 of 5) USB_5V USB & EEPROM U3 1 D1 USB_5V 1 2 3 4 DM DP Digikey Molex 6 2 USB_DM GND VBUS 3 D2 5 WM17118-ND 048037-1000 D4 D3 USBLC6-2P6 6 DP 5 4 DM 1 USB_DP USBA Male C32 16V 100nF SMD 0402 2 J1 GND D_VDD 1 1 GND R7 100k SMD 0402 VCC E_PAD 9 GND U6 EEPROM_CS 1 SPI2_CLK 6 /S SPI2_MOSI5 C SPI2_MISO2 D Q 4 GND 8 2 2 C38 16V 100nF SMD 0402 GND /W /HOLD 3 7 M95640-RMC6TG GSPG1612151100SG