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Rprp STmpu devB qY-7F
gorougd/qY7FMPU based on STM32MP157 512MB / 4Gbit DDR3L single bank (routed on PCB)
- Size
- 85 × 85 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 164
- Nets
- 364
- Pads
- 1,218
- Tracks, vias
- 2,474, 683
- Pours
- 40
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 25 Jan 2025
- Updated
- 25 Jan 2025
Overview
Rprp STmpu devB qY-7F is an open-source printed circuit board by gorougd, from the gorougd/qY7F repository on GitHub. It is a 4-layer board of 85 × 85 mm with 164 parts on 364 nets, routed with 2,474 tracks and 683 vias.
It is built around the SY8089A, MT3540 and LP5907MFX-3.3, with the NT5CB256M16ER-FL, 1N5819WS and PT61017PEL among its other parts. Its parts include 79 capacitors, 41 resistors, 9 ICs, 9 connectors and 6 diodes. It belongs with the STM32 boards of this library.
Main components
7
SY8089A
SOT-23-5-40℃~+125℃@(TJ) 1 1MHz 2.5V~5.5V 2A 50uA Adjustable Buck Buck Built-in No SOT-23-5 DC-DC Converters ROHSTECH PUBLICDC-DC ConvertersMT3540
SOT-23-5-40℃~+85℃ 1 1.2MHz 1.5A 2.5V~5.5V 40uA Adjustable Boost Boost Built-in No SOT-23-5 DC-DC Converters ROHSXI'AN Aerosemi TechDC-DC ConvertersLP5907MFX-3.3
SOT-23-5-40℃~+125℃@(Tj) 1 10uVrms 12uA 250mA 250mV@(250mA) 3.3V 5.5V 82dB@(1kHz) Fixed Positive Short Circuit Protection、Thermal shutdown、Enable control、Input under-voltage protection、Output discharge SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTexas InstrumentsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
NT5CB256M16ER-FL
TFBGA-960℃~+95℃ 1.066GHz 1.425V~1.575V 4Gbit Auto precharge function、Data mask function、Dynamic on-chip termination、ZQ calibration function、Asynchronous reset function、Write leveling function、Auto self-refresh DDR3 SDRAM TFBGA-96 DDR SDRAM ROHSNanya TechDDR SDRAM
1N5819WS
SOD-3231 Independent 1A 25A 40V 500uA@40V 600mV@1A SOD-323 Schottky Diodes ROHSGuangdong HottechSchottky Diodes
PT61017PEL
SMD,12.8x6.9mm0℃~+70℃ 10/100 Base-T 1CT:1CT 350uH Single port SMD,12.8x6.9mm Pulse Transformers(LAN) ROHSBournsPulse Transformers(LAN)
X322525MOB4SI
SMD3225-4P-40℃~+85℃ 12pF 25MHz 50Ω Crystal Oscillator ±10ppm ±20ppm SMD3225-4P Crystals ROHSYXCCrystals
README
README.mdMPU based on STM32MP157
- Hardware design: 100Mbps Ethernet (TO BE FIXED)
- 512MB / 4Gbit DDR3L single bank (routed on PCB)
- 40pin RGB Screen adapter
- No PMU, discrete DC-DC power
By Gorougd, ZxS at Spring / Early Summer 2024
Parts
164| Qty | Value | Footprint | References |
|---|---|---|---|
| 52 | 1uF | Capacitor_SMD:C_0402_1005Metric | C10, C11, C12, C13, C14, C15, C16, C17, C21, C22, C24, C25, C26, C28, C29, C30 +36 |
| 12 | 22uF | Capacitor_SMD:C_0805_2012Metric | C1, C3, C7, C18, C20, C23, C41, C49, C61, C62, C68, C79 |
| 9 | 10k | Resistor_SMD:R_0402_1005Metric | R5, R11, R17, R31, R33, R34, R35, R36, R41 |
| 9 | 10nF | Capacitor_SMD:C_0402_1005Metric | C5, C27, C46, C63, C64, C71, C72, C73, C74 |
| 5 | 10k | Resistor_SMD:R_0603_1608Metric | R7, R9, R13, R14, R15 |
| 5 | 1k | Resistor_SMD:R_0402_1005Metric | R19, R20, R22, R23, R24 |
| 4 | 1uF | Capacitor_SMD:C_0603_1608Metric | C2, C8, C9, C19 |
| 4 | 2.2uH | Inductor_SMD:L_1008_2520Metric | L1, L2, L3, L5 |
| 4 | 5.1k | Resistor_SMD:R_0603_1608Metric | R3, R6, R21, R28 |
| 4 | Fiducial | Fiducial:Fiducial_0.5mm_Mask1.5mm | FID1, FID2, FID3, FID4 |
| 4 | M3 | MountingHole:MountingHole_3.2mm_M3_Pad_Via | H1, H2, H3, H4 |
| 3 | 100 | Resistor_SMD:R_0402_1005Metric | R18, R39, R40 |
| 3 | 1N5819WS | Diode_SMD:D_SOD-323 | D1, D3, D8 |
| 3 | 5.1k | Resistor_SMD:R_0402_1005Metric | R26, R37, R38 |
| 3 | Conn_02x04_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_Vertical | J4, J7, J8 |
| 3 | SY8089A | Package_TO_SOT_SMD:TSOT-23-5 | U2, U4, U6 |
| 3 | T | TestPoint:TestPoint_Pad_D1.0mm | TP2, TP3, TP4 |
| 2 | 10 | Resistor_SMD:R_0402_1005Metric | R1, R30 |
| 2 | 10pF | Capacitor_SMD:C_0402_1005Metric | C51, C56 |
| 2 | 240 | Resistor_SMD:R_0402_1005Metric | R2, R4 |
| 2 | 8.2k | Resistor_SMD:R_0603_1608Metric | R8, R10 |
| 2 | LIGHT BLUE | LED_SMD:LED_0603_1608Metric | D2, D4 |
| 1 | 0 | Resistor_SMD:R_0402_1005Metric | R12 |
| 1 | 100 | Resistor_SMD:R_0603_1608Metric | R29 |
| 1 | 100k | Resistor_SMD:R_0603_1608Metric | R27 |
| 1 | 2.2k | Resistor_SMD:R_0603_1608Metric | R16 |
| 1 | 2.49k | Resistor_SMD:R_0402_1005Metric | R32 |
| 1 | 25MHz | Crystal:Crystal_SMD_EuroQuartz_MT-4Pin_3.2x2.5mm | X1 |
| 1 | 3k | Resistor_SMD:R_0402_1005Metric | R25 |
| 1 | Conn_01x40_MountingPin | Connector_FFC-FPC:Hirose_FH12-40S-0.5SH_1x40-1MP_P0.50mm_Horizontal | J6 |
| 1 | Conn_02x10_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x10_P2.54mm_Vertical | J5 |
| 1 | EMMC04G-S100-B08U | rprp:MICRON_EMMC_153 | U14 |
| 1 | LP5907MFX-3.3 | Package_TO_SOT_SMD:SOT-23-5 | U8 |
| 1 | MT3540 | Package_TO_SOT_SMD:SOT-23-5 | U9 |
| 1 | Micro_SD_Card_Det2 | rprp:Yu-MicroSD-TF-01A | J10 |
| 1 | NT5CB256M16ER-FL | Package_BGA:BGA-96_9.0x13.0mm_Layout2x3x16_P0.8mm | U1 |
| 1 | PT61017PEL | Transformer_SMD:Transformer_Ethernet_Bourns_PT61017PEL | TR1 |
| 1 | RED | LED_SMD:LED_0603_1608Metric | D5 |
| 1 | RJ45_LED_Shielded | Connector_RJ:RJ45_Amphenol_RJHSE538X | J9 |
| 1 | RTL8201F | Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.65x3.65mm | U7 |
| 1 | STM32MP157FAAx | Package_BGA:ST_LFBGA-448_18x18mm_Layout22x22_P0.8mm | U5 |
| 1 | SW_SPST | Button_Switch_SMD:SW_Push_1P1T_XKB_TS-1187A | SW1 |
| 1 | SYM_ESD_Small | Symbol:ESD-Logo_8.9x8mm_SilkScreen | SYM1 |
| 1 | USB_A | Connector_USB:USB_A_CONNFLY_DS1095-WNR0 | J2 |
| 1 | USB_B | Connector_USB:USB_B_OST_USB-B1HSxx_Horizontal | J1 |
| 1 | X322525MOB4SI | Crystal:Crystal_SMD_EuroQuartz_MT-4Pin_3.2x2.5mm | Y1 |
Questions
How big is the Rprp STmpu devB qY-7F PCB?
It measures 85 × 85 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Rprp STmpu devB qY-7F use?
164 parts, built around the SY8089A, MT3540, LP5907MFX-3.3 and NT5CB256M16ER-FL. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Rprp STmpu devB qY-7F KiCad files?
From the gorougd/qY7F repository on GitHub, at the commit this page was made from: the board is rprp_STmpu_devB_qY-7F.kicad_pcb and its schematic rprp_STmpu_devB_qY-7F.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Rprp STmpu devB qY-7F design in my own project?
Its repository states no licence, so its author keeps all rights: ask gorougd before reusing the design.
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