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2 layers63.5 × 73.7 mmProto h750, the printed circuit board in 3D

stm32h7 value line board

Size
63.5 × 73.7 mm
Copper layers
2
Thickness
1.6 mm
Parts
64
Nets
121
Pads
414
Tracks, vias
1,248, 83
Pours
4
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
14 Nov 2018
Updated
18 Nov 2018

Overview

Proto h750 is an open-source printed circuit board by martinribelotta, from the martinribelotta/h7value repository on GitHub. It is a 2-layer board of 63.5 × 73.7 mm with 64 parts on 121 nets, routed with 1,248 tracks and 83 vias.

It is built around the STM32H750VBT6, KSZ8081RNACA and S25FL132K0XMFI010. Its parts include 24 capacitors, 16 resistors, 9 connectors, 4 ICs and 3 switches. It belongs with the STM32 boards of this library.

Main components

3

README

README.md

STM32H7 value line small board

Simple board for stm32h750 value line device in LQFP100 package.

Require KiCAD 5.0 or higer

Design rules:
  • Track/Clearance width: 8mils/8mils
  • Drill dia: 0.3048 mm
  • Via dia: 0.4064 mm
Board contents:

1542163171895

  • STM32H750VBT6: 1MBy RAM, 128KBy Flash at 400MHz CPU
  • External flash in QSPI1 interface with execute in place (4, 8 or 16MBytes)
  • USB HS and FS
  • Ethernet PHY in RMII interface (optional)
  • MicroSD card in 1bit interface
  • 8MHz main crystal
  • 32.768KHz RTC crystal
  • SWD connector
  • Reset button
  • User button connected to PA13-WakeUP
  • User led connected to PA8
  • BOOT dip switch
  • 800mA 3.3v regulator
  • Others GPIO connected to 100mils-space pin header
Dimensions:

1542165257633

Schematics:

Schematics

BOM and Gerbers
  • BOM: TODO
  • Gerber: TODO

Parts

64
QtyValueFootprintReferences
14100nCapacitor_SMD:C_0805_2012MetricC1, C2, C3, C4, C7, C8, C10, C12, C13, C14, C18, C19, C22, C23
80RResistor_SMD:R_2010_5025MetricR8, R9, R10, R11, R12, R13, R14, R15
510KResistor_SMD:R_0805_2012MetricR3, R4, R5, R6, R16
418pCapacitor_SMD:C_0805_2012MetricC5, C6, C9, C11
4MountingHole_PadMountingHole:MountingHole_3.2mm_M3_Pad_ViaH1, H2, H3, H4
34.7uCapacitor_SMD:C_0805_2012MetricC15, C21, C24
3USB_B_MicroConnector_USB:USB_Micro-B_Molex-105017-0001J2, J3, J8
210uCapacitor_SMD:C_0805_2012MetricC16, C17
2220RResistor_SMD:R_0805_2012MetricR1, R2
2Conn_02x14_Odd_EvenConnector_PinHeader_2.54mm:PinHeader_2x14_P2.54mm_VerticalJ4, J5
2REDLED_SMD:LED_0805_2012Metric_CastellatedD1, D2
2SW_PushButton_Switch_THT:SW_Tactile_SPST_Angled_PTS645Vx31-2LFSSW1, SW2
1 16MHzCrystal:Crystal_SMD_3225-4Pin_3.2x2.5mm_HandSolderingY1
12.2uCapacitor_SMD:C_0805_2012MetricC20
132.768KHzCrystal:Crystal_SMD_MicroCrystal_CC8V-T1A-2Pin_2.0x1.2mm_HandSolderingY2
16.49K 1%Resistor_SMD:R_0805_2012MetricR7
1AP1117-33Package_TO_SOT_SMD:SOT-223-3_TabPin2U3
1Conn_02x02_Odd_EvenConnector_PinHeader_2.54mm:PinHeader_2x02_P2.54mm_VerticalJ7
1Conn_02x04_Odd_EvenConnector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_VerticalJ9
1Conn_02x08_Odd_EvenConnector_PinHeader_2.54mm:PinHeader_2x08_P2.54mm_VerticalJ6
1KSZ8081RNAPackage_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mmU4
1Micro_SD_CardConnector_Card:microSD_HC_Hirose_DM3AT-SF-PEJM5J1
1S25FL132K0XMFI010Package_SO:SO-8_5.3x6.2mm_P1.27mmU1
1STM32H750VBT6Package_QFP:LQFP-100_14x14mm_P0.5mmU2
1SW_DIP_x01Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_VerticalSW3

Questions

How big is the Proto h750 PCB?

It measures 63.5 × 73.7 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Proto h750 use?

64 parts, built around the STM32H750VBT6, KSZ8081RNACA and S25FL132K0XMFI010. 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 Proto h750 KiCad files?

From the martinribelotta/h7value repository on GitHub, at the commit this page was made from: the board is proto-h750.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Proto h750 design in my own project?

Its repository states no licence, so its author keeps all rights: ask martinribelotta before reusing the design.

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