Tycho
About the Tycho PCB
Tycho is an open source PCB design by greatscottgadgets, published on GitHub under the CERN-OHL-P-2.0 license. It is a 4-layer board measuring 90.9 × 100 mm, with 164 components from 64 distinct parts.
Other key parts include the MIC5504-3.3YM5-TR, CY7C68013A-56LTXC, MAX306EWI+, PI3USB102GZLEX and NCV84090DR2G. By type, the board carries 63 resistors, 46 capacitors, 19 transistors, 16 ICs, 10 connectors and 5 diodes.
From the project
Production test jig for Cynthion
Main components on the Tycho
Tycho bill of materials (BOM)
164 components, 64 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MIC5504-3.3YM5-TR MIC5504-3.3YM5 Microchip Tech | SOT-23-5 | U1 |
| 1 | CY7C68013A-56LTXC CY7C68013A-56LTX Cypress Semicon | QFN-56-1EP_8x8mm_P0.5mm_EP4.5x5.2mm_ThermalVias_TopTented | U2 |
| 2 | MAX306EWI+ ~ Analog Devices Inc./Maxim Integrated | SOIC-28W_7.5x17.9mm_P1.27mm | U3, U7 |
| 1 | PI3USB102GZLEX PI3USB102G Diodes Inc. | Diodes_10-TQFN_ZL | U4 |
| 2 | NCV84090DR2G ~ onsemi | SOIC-8_3.9x4.9mm_P1.27mm | U5, U10 |
| 1 | TPS55288RPMR ~ Texas Instruments | TPS55288 | U6 |
| 1 | 24LC128T-I/SN 24LC128 Microchip Technology | SOIC-8_3.9x4.9mm_P1.27mm | U8 |
| 1 | TXETALSANF-10.000000 TCXO Taitien | TXETALSANF-10.000000 | U9 |
| 1 | TLV9061SIDBVR ~ Texas Instruments | SOT-23-6_Handsoldering | U11 |
| 2 | PI3B3257QEX-2017 PI3B3257 Diodes Incorporated | QSOP-16_3.9x4.9mm_P0.635mm | U12, U13 |
| 2 | DG449DS-T1-E3 DG449 Vishay Siliconix | SOT-23-8_Handsoldering | U14, U15 |
| 1 | ISL54233IRTZ-T ISL54233 Renesas Electronics America Inc | QFN-12-1EP_3x3mm_P0.51mm_EP1.45x1.45mm | U16 |
| 3 | SI7336ADP-T1-E3 Si7336ADP Vishay Siliconix | PowerPAK_SO-8_Single | Q1, Q15, Q17 |
| 2 | IPZ40N04S5L7R4ATMA1 IPZ40N04S5L7R4 Infineon Technologies | PG-TSDSON-8-32 | Q2, Q27 |
| 6 | SIA469DJ-T1-GE3 PMOS Vishay Siliconix | Vishay_PowerPAK_SC70-6L_Single | Q3, Q6, Q7, Q10, Q11, Q14 |
| 3 | BC857BS 2PNP Yangzhou Yangjie | SOT-363_SC-70-6 | Q4, Q8, Q12 |
| 3 | BC847B NPN Yangzhou Yangjie Elec Tech | SOT-23-3 | Q5, Q9, Q13 |
| 2 | AO3400A Alpha & Omega Semiconductor Inc. | SOT-23 | Q16, Q18 |
| 1 | XC21M4-24.000-F06NKDTL 24 MHz HCI | Crystal_SMD_2016-4Pin_2.0x1.6mm | Y1 |
| 1 | 12251220ANG0S115001 NEIGHBOR1 JILN | PinHeader_2x20_P2.54mm_Vertical | J1 |
Show 44 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 12251220ANG0S115001 NEIGHBOR2 JILN | PinHeader_2x20_P2.54mm_Vertical | J2 |
| 5 | TYPE-C-31-M-12 USB_C_Receptacle Korean Hroparts Elec | USB_C_Receptacle_hand-solder | J3, J4, J11, J12, J13 |
| 1 | FTSH-105-01-L-D-RA-K Conn_ARM_JTAG_SWD_10 Samtec Inc. | PinHeader_2x05_P1.27mm_Horizontal | J6 |
| 1 | PJ-102AH Barrel_Jack CUI Devices | BarrelJack_CUI_PJ-102AH_Horizontal | J8 |
| 1 | 302-S341 Conn_02x16_Odd_Even On Shore Technology Inc. | shrouded_pin-header_2x17 | J14 |
| 1 | 691213500002 PASS Würth Elektronik | TerminalBlock_bornier-2_P5.08mm | SW1 |
| 1 | 691213500002 FAIL Würth Elektronik | TerminalBlock_bornier-2_P5.08mm | SW2 |
| 1 | SC85AAA 85°C Bourns | Bourns-SC | SW3 |
| 3 | BZX884-B6V2,315 6.2±2% Nexperia | DFN1006-2 | D1, D2, D3 |
| 2 | PMEG10010ELRX PMEG10010ELR Nexperia USA Inc. | Nexperia_CFP3_SOD-123W | D4, D5 |
| 1 | XAL6030-102MEC 1uH Coilcraft | L_Coilcraft_XAL6030-XXX | L1 |
| 18 | 06035C104JAT4A 0.1uF KYOCERA AVX | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C5, C6, C13, C20, C26, C27, C28 +10 |
| 7 | JMK105BJ105KVHF 1uF Taiyo Yuden | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C2, C3, C4, C43, C44, C45, C46 |
| 5 | GRT188R61H105ME13D 1uF Murata Electronics | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C7, C8, C11, C14, C25 |
| 1 | GRT188R61C475KE13J 4.7uF Murata Electronics | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C9 |
| 1 | CGA2B3X7R1H103K050BB 0.01uF TDK Corporation | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C10 |
| 2 | CGA2B3X7R1H104K050BB 0.1uF TDK Corporation | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C12, C24 |
| 1 | CGA2B2X7R1H472K050BA 4700pF TDK Corporation | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C15 |
| 1 | CGA2B2X7R1H472K050BA 47pF TDK Corporation | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C16 |
| 1 | EEH-ZA1H330XP 33uF Panasonic Electronic Components | C_Elec_6.3x5.4 | C17 |
| 2 | CGA6P1X7R1N106M250AC 10uF TDK Corporation | C_1210_3225Metric_Pad1.33x2.70mm_HandSolder | C18, C19 |
| 2 | CL31B106KBHNNNE 10uF Samsung Electro-Mechanics | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C21, C22 |
| 1 | EEH-ZA1E101XP 100uF Panasonic Electronic Components | C_Elec_6.3x5.4 | C23 |
| 2 | EMK107ABJ225KAHT 2.2uF Taiyo Yuden | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C39, C40 |
| 2 | GCQ1555C1H120GB01D 12pF Murata Electronics | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C41, C42 |
| 17 | RNCP0603FTD10K0 10K Stackpole Electronics Inc | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2, R3, R4, R6, R40, R41, R42 +9 |
| 7 | RC0402JR-0710KL 10k Yageo | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R5, R24, R30, R36, R38, R39, R43 |
| 3 | RMCF0603FT5K10 5.1k Stackpole Electronics Inc | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R7, R47, R66 |
| 1 | CRCW04020000Z0ED 0 Vishay Dale | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R8 |
| 2 | RC0402JR-071KL 1k Yageo | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R9, R10 |
| 10 | ERJ-2GEJ104X 100k Panasonic | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R11, R21, R22, R26, R27, R28, R32, R33 +2 |
| 1 | CRCW04029K53FKED 9.53k Vishay Dale | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R12 |
| 2 | AC0402JR-071RL 1 YAGEO | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R13, R14 |
| 1 | CRCW040233K2FKED 33.2k Vishay Dale | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R15 |
| 1 | CRCW0402150KFKED 150k Vishay Dale | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R16 |
| 1 | CRCW040275K0JNED 75k Vishay Dale | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R17 |
| 1 | CRF1206-FZ-R010ELF 0.01 Bourns Inc. | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R18 |
| 7 | CRCW04022K20FKED 2.2k Vishay Dale | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R19, R20, R25, R31, R37, R51, R52 |
| 3 | ERJ-2GEJ333X 33k Panasonic | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R23, R29, R35 |
| 1 | PWR163S-25-40R0FE 40 Bourns | PWR163S | R48 |
| 1 | PWR163S-25-1R80F 1.8 Bourns | PWR163S | R49 |
| 1 | RC0603DR-072K7L 2K7 YAGEO | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R53 |
| 2 | CRCW0603100KFKEAC 100k Vishay Intertech | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R63, R64 |
| 1 | TC0325F2202T5F 22k UNI-ROYAL(Uniroyal Elec) | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R65 |
Tycho design files
The KiCad project lives in the greatscottgadgets/tycho repository on GitHub; these links point at the commit this page was built from.
- Layouttycho/tycho.kicad_pcb
- Schematictycho/tycho.kicad_sch
Tycho: common questions
How big is the Tycho PCB?
The Tycho measures 90.9 × 100 mm, has 4 copper layers and is 1.637 mm thick.
How many components are on the Tycho?
164 components, from 64 distinct parts. The full bill of materials is listed on this page.
Where can I download the Tycho design files?
From the greatscottgadgets/tycho repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Tycho design in my own project?
Yes, under the terms of its CERN-OHL-P-2.0 license, which greatscottgadgets chose for the repository.
