Tangenta
About the Tangenta PCB
Tangenta is an open source PCB design by vmetodiev, published on GitHub under the CERN-OHL-P-2.0 license. It is a 4-layer board measuring 243.8 × 243.8 mm, with 534 components from 119 distinct parts.
Other key parts include the TPS54331DR, AMS1117-3_3, AP7331-10WG-7, 74HC04D,653 and CD4060SA_TR. By type, the board carries 221 capacitors, 195 resistors, 30 connectors, 26 ICs, 24 transistors and 17 inductors.
From the project
Micro ATX motherboard for Toradex Verdin iMX8M Mini
All of the above exposed over a single RJ-45 connector (to fit the maximum allowed ATX rear panel lenght)
Main components on the Tangenta
Tangenta bill of materials (BOM)
534 components, 119 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | TPS54331DR | TPS54331DR | U1, U2, U3, U4 |
| 1 | AMS1117-3_3 | AMS1117-3.3 | U5 |
| 1 | AP7331-10WG-7 | AP7331-10WG.kicad_sym | U6 |
| 1 | 74HC04D,653 | 74HC04D | U7 |
| 1 | CD4060SA_TR | CD4060 | U8 |
| 1 | 74HC74D,653 | 74HC74D | U9 |
| 1 | TUSB321RWBR | TUSB321RWBR | U10 |
| 1 | AOZ1353DI-01 | AOZ1353DI01 | U11 |
| 2 | PUSB2X4Y-N | USB_ESD | U12, U13 |
| 1 | USB2514B-I_M2 | USB_HUB | U14 |
| 1 | LT8912B | LT8912B | U15 |
| 1 | ADM2582E | SOIC-20W_7.5x12.8mm_P1.27mm | U16 |
| 2 | TPCDSOT23-SM712 | ESD_RS485 | U17, U18 |
| 1 | M24C04-RMN6TP | M24C04-RMN6TP | U19 |
| 1 | PI7C9X2G404SLBFDEX | PCIE_Switch | U20 |
| 1 | RTL8367S-CG | RTL8367S-CG | U21 |
| 2 | ADM3053 | SOIC-20W_7.5x12.8mm_P1.27mm | U22, U23 |
| 1 | RX8010SJ | RX8010SJ | U24 |
| 2 | M24C64-RMN6TP | CMOS_EEPROM | U25, U26 |
| 2 | Fan_4pin | FanPinHeader_1x04_P2.54mm_Vertical | M1, M2 |
Show 99 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 2N7002 | NMOS_2N7002 | Q1, Q2 |
| 22 | BSS138 | SOT-23 | Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10 +14 |
| 1 | X322524MOB4SI | XTAL_24MHZ | X1 |
| 1 | X322525MOB4SI | XTAL_25MHZ | X2 |
| 1 | 39281243 | 24_Pin_Connector_Vertical | J1 |
| 1 | Conn_02x02_Top_Bottom | PinHeader_2x02_P2.54mm_Vertical | J2 |
| 1 | TYPEC-304-ACP16 | USB_TYPEC | J3 |
| 1 | 906-151A1058D10200 | USB_VERTICAL_BLUE | J4 |
| 1 | 907-211A1019D10200 | USB_2_CONNECTOR | J5 |
| 1 | TF-115K | MicroSD_Holder | J6 |
| 2 | 1-2199230-5 | M2_Slot | J7, J19 |
| 1 | HYC90-SIM06-180 | SIM-SMD_HYC90-SIM06-180 | J8 |
| 1 | HDMI_19PIN_043 | HDMI_CONNECTOR | J9 |
| 4 | Conn_01x02_Pin | PinHeader_1x02_P2.54mm_Vertical | J10, J16, J32, J33 |
| 1 | 2309410-1 | SODIMM_DDR4 | J11 |
| 1 | RC01133 | RJ45_SIMPLE | J17 |
| 2 | 10018784-10213TLF | PCIE_x16_Slot | J18, J20 |
| 1 | Conn_01x06_Pin | PinHeader_1x06_P1.00mm_Vertical | J21 |
| 3 | HY911130A | RJ45_MAGJACK_HY911130A | J22, J23, J24 |
| 1 | HC-SFP-01L | TH_HC-SFP-01L | J25 |
| 1 | Conn_01x08_Pin | PinHeader_1x08_P1.00mm_Vertical | J26 |
| 1 | Conn_01x06_Pin | PinHeader_1x06_P2.54mm_Vertical | J27 |
| 4 | Conn_01x03_Pin | PinHeader_1x03_P2.54mm_Vertical | J28, J29, J30, J31 |
| 1 | Conn_02x05_Odd_Even | PinHeader_2x05_P2.54mm_Vertical | J34 |
| 1 | BS-02-A1AJ010 | CR2032_HOLDER | BAT1 |
| 4 | ~ | R_0805_2012Metric | JP1, JP2, JP3, JP4 |
| 1 | OT322525MJBA4SL | 25MHZ_OSCILLATOR | OSC1 |
| 1 | HC-SFP-20P | SFP_Connector | S1 |
| 2 | TSC015A04818B | Tactile_BTN | SW1, SW2 |
| 1 | NTZD3154NT1G | NTZD3154NT1G | T1 |
| 5 | B540C-13-F | B540C-13-F | D1, D2, D3, D4, D6 |
| 1 | BZT52C6V2S-7-F | BZT52C6V2S-7-F | D5 |
| 1 | BAT54C | SOT-23 | D7 |
| 13 | GZ2012D101TF | Ferrite_Bead_100 | FB1, FB2, FB3, FB4, FB5, FB6, FB7, FB8 +5 |
| 4 | 6.8uH | Choke | L1, L2, L3, L4 |
| 1 | 2nF | C_1206_3216Metric | C1 |
| 4 | 10uF | CAP_L6 | C2, C3, C4, C5 |
| 4 | 8.2nF | C_0603_1608Metric | C6, C7, C8, C9 |
| 1 | 100pF | C_0603_1608Metric | C10 |
| 3 | 10pF | C_0603_1608Metric | C11, C12, C13 |
| 1 | 750pF | C_0603_1608Metric | C14 |
| 1 | 2.7nF | C_0603_1608Metric | C15 |
| 1 | 1.2nF | C_0603_1608Metric | C16 |
| 1 | 1nF | C_0603_1608Metric | C17 |
| 11 | 100nF | C_0603_1608Metric | C18, C19, C20, C21, C31, C34, C35, C36 +3 |
| 8 | 47uF | CAP_L6 | C22, C23, C24, C25, C108, C109, C114, C115 |
| 13 | 47uF | CAP_TANTAL_A | C26, C27, C28, C29, C32, C106, C107, C110 +5 |
| 2 | 1uF | C_0603_1608Metric | C30, C33 |
| 99 | 100nF | C_0402_1005Metric | C40, C44, C50, C51, C52, C53, C54, C55 +91 |
| 3 | 100uF | C_0402_1005Metric | C41, C42, C43 |
| 21 | 10nF | C_0402_1005Metric | C45, C65, C67, C69, C78, C82, C83, C84 +13 |
| 2 | 4.7uF | C_0402_1005Metric | C46, C71 |
| 1 | 1nF | C_0402_1005Metric | C47 |
| 3 | 16CE47FSS | CAP_L5 | C48, C56, C59 |
| 2 | 1uF | C_0402_1005Metric | C49, C62 |
| 4 | 18pF | C_0402_1005Metric | C60, C61, C178, C179 |
| 1 | 47pF | C_0402_1005Metric | C70 |
| 27 | 10uF | C_0402_1005Metric | C73, C75, C76, C77, C85, C88, C89, C90 +19 |
| 1 | 2.2nF | C_0402_1005Metric | C97 |
| 4 | 47uF | CAP_L5 | C98, C105, C195, C196 |
| 2 | 10uF | CAP_TANTAL_A | C112, C113 |
| 1 | 1k | R_1206_3216Metric | R1 |
| 1 | 39.2k | R_0603_1608Metric | R2 |
| 1 | 11.3k | R_0603_1608Metric | R3 |
| 1 | 20.5k | R_0603_1608Metric | R4 |
| 1 | 25.5k | R_0603_1608Metric | R5 |
| 4 | 10.2k | R_0603_1608Metric | R6, R8, R10, R12 |
| 1 | 41.2k | R_0603_1608Metric | R7 |
| 1 | 27.1k | R_0603_1608Metric | R9 |
| 1 | 8.2k | R_0603_1608Metric | R11 |
| 1 | 4.81k | R_0603_1608Metric | R13 |
| 3 | 1k | R_0603_1608Metric | R14, R19, R21 |
| 1 | 0R | R_0603_1608Metric | R15 |
| 3 | 10k | R_0603_1608Metric | R17, R22, R24 |
| 1 | 100k | R_0603_1608Metric | R20 |
| 3 | 100 | R_0603_1608Metric | R23, R25, R26 |
| 7 | 100k | R_0402_1005Metric | R27, R28, R31, R44, R51, R74, R75 |
| 1 | 887k | R_0402_1005Metric | R29 |
| 1 | 28.7k | R_0402_1005Metric | R30 |
| 20 | 10k | R_0402_1005Metric | R32, R33, R35, R36, R37, R38, R40, R41 +12 |
| 1 | 12k | R_0402_1005Metric | R34 |
| 2 | 1M | R_0402_1005Metric | R39, R165 |
| 13 | 0R | R_0402_1005Metric | R42, R43, R79, R80, R81, R83, R86, R87 +5 |
| 1 | 51R | R_0402_1005Metric | R45 |
| 1 | 20k | R_0402_1005Metric | R46 |
| 23 | 1.8k | R_0402_1005Metric | R47, R48, R53, R54, R55, R56, R70, R71 +15 |
| 29 | 4.7k | R_0402_1005Metric | R49, R50, R57, R58, R59, R60, R72, R73 +21 |
| 1 | 6k | R_0402_1005Metric | R52 |
| 8 | 10R | R_0402_1005Metric | R61, R62, R63, R64, R190, R191, R197, R198 |
| 4 | 120R | R_0603_1608Metric | R65, R66, R192, R199 |
| 17 | 330R | R_0402_1005Metric | R78, R92, R93, R94, R95, R96, R97, R98 +9 |
| 2 | 47k | R_0402_1005Metric | R84, R85 |
| 1 | 475R 1% | R_0402_1005Metric | R100 |
| 1 | 1.43k 1% | R_0402_1005Metric | R101 |
| 13 | 5.1k | R_0402_1005Metric | R102, R103, R108, R109, R110, R111, R113, R114 +5 |
| 8 | 33R | R_0402_1005Metric | R123, R124, R125, R126, R127, R128, R129, R130 |
| 10 | 49.9R | R_0402_1005Metric | R131, R132, R133, R134, R135, R136, R137, R138 +2 |
| 1 | 2.49k 1% | R_0402_1005Metric | R156 |
| 6 | 1k | R_0402_1005Metric | R159, R160, R161, R162, R163, R164 |
Tangenta design files
The KiCad project lives in the vmetodiev/tangenta repository on GitHub; these links point at the commit this page was built from.
- LayoutTangenta/Tangenta.kicad_pcb
- SchematicTangenta/Tangenta.kicad_sch
Tangenta: common questions
How big is the Tangenta PCB?
The Tangenta measures 243.8 × 243.8 mm, has 4 copper layers and is 1.5842 mm thick.
How many components are on the Tangenta?
534 components, from 119 distinct parts. The full bill of materials is listed on this page.
Where can I download the Tangenta design files?
From the vmetodiev/tangenta repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Tangenta design in my own project?
Yes, under the terms of its CERN-OHL-P-2.0 license, which vmetodiev chose for the repository.