Thermocouple
About the Thermocouple PCB
Thermocouple is an open source PCB design by meowthink, published on GitHub. It is a 2-layer board measuring 150 × 70 mm, with 168 components from 44 distinct parts.
Other key parts include the 7805, LP5907_DBV_5, ADUM5401ARWZ, AD7792BRUZ and SN74LV1T125DBVR. By type, the board carries 68 capacitors, 49 resistors, 20 ICs, 18 diodes, 12 connectors and 1 crystal.
Main components on the Thermocouple
Thermocouple bill of materials (BOM)
168 components, 44 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 7805 | DCDC-Conv_Recom_R-78HBxx-0.5 | U1 |
| 2 | LP5907_DBV_5 | LP5907_DBV_5 | U2, U18 |
| 1 | ADUM5401ARWZ | ADUM5401WCRWZ | U3 |
| 1 | AD7792BRUZ | AD7792BRUZ | U4 |
| 2 | SN74LV1T125DBVR | SN74LV1T125DBVR | U5, U21 |
| 8 | ASSR_45_1228_45_002 | SMD-8 | U6, U7, U8, U9, U10, U11, U12, U14 |
| 1 | MAX13053ESA+ | MAX13053ESA+ | U13 |
| 1 | MC9S08DZ_LC | LQFP-32_7x7mm_Pitch0.8mm | U15 |
| 1 | G3VM-61ER | SMD-6 | U16 |
| 1 | SN74HC138_PW_16 | SN74HC138_PW_16 | U19 |
| 1 | SST25VF512A-33-4 | SOIJ-8_5.3x5.3mm_Pitch1.27mm | U20 |
| 1 | 8MHz | Crystal_HC49-SD_SMD | Y1 |
| 2 | CONN_01X04 | Pin_Header_Straight_1x04 | P1, P11 |
| 1 | CONN_02X03 | Pin_Header_Straight_2x03 | P2 |
| 1 | CONN_01X03 | Pin_Header_Straight_1x03 | P3 |
| 8 | CONN_01X02 | Thermocouple | P4, P5, P6, P7, P8, P9, P10, P12 |
| 1 | MBR0530 | SOD-123 | D1 |
| 1 | 1SMA30CA | SMA_Standard | D2 |
| 2 | MM3Z3V6S | SOD-323 | D3, D18 |
| 1 | MM3Z5V6S | SOD-323 | D4 |
Show 24 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | BAV199LT1G | SOT-23 | D5, D6 |
| 9 | NUP2115L | SOT-23 | D7, D8, D9, D10, D11, D12, D13, D16 +1 |
| 2 | Led | LED-5MM | D14, D15 |
| 2 | 470u | c_elec_10x10.5 | C0, C1 |
| 21 | 10u | C_0805 | C2, C5, C6, C11, C13, C15, C17, C23 +13 |
| 30 | 0.1u | C_0805 | C3, C7, C12, C14, C16, C18, C22, C24 +22 |
| 9 | 1u | C_0805 | C4, C9, C10, C57, C59, C60, C61, C62 +1 |
| 1 | 0.01u | C_0805 | C8 |
| 2 | 1n | C_0805 | C19, C21 |
| 1 | 10n | C_0805 | C20 |
| 2 | 10p | C_0805 | C45, C46 |
| 6 | 4k7 | R_0805 | R1, R2, R39, R40, R42, R45 |
| 1 | NC | R_0805 | R3 |
| 4 | 0 | R_0805 | R4, R37, R38, R46 |
| 2 | 681R | R_0805 | R5, R7 |
| 2 | 301R | R_0805 | R6, R8 |
| 8 | 470R | R_0805 | R9, R12, R15, R18, R21, R24, R27, R33 |
| 8 | 4.99K | R_0805 | R10, R13, R16, R19, R22, R25, R28, R34 |
| 8 | 10K | Thermoresistor | R11, R14, R17, R20, R23, R26, R29, R35 |
| 1 | 1M | R_0805 | R30 |
| 2 | 1k5 | R_0805 | R31, R32 |
| 1 | 750 | R_0805 | R36 |
| 3 | 1k | R_0805 | R41, R43, R44 |
| 3 | 2k2 | R_0805 | R48, R49, R50 |
Thermocouple design files
The KiCad project lives in the meowthink/thermocouple repository on GitHub; these links point at the commit this page was built from.
- Layouthardware/DAS.kicad_pcb
Thermocouple: common questions
How big is the Thermocouple PCB?
The Thermocouple measures 150 × 70 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Thermocouple?
168 components, from 44 distinct parts. The full bill of materials is listed on this page.
Where can I download the Thermocouple design files?
From the meowthink/thermocouple repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Thermocouple design in my own project?
The repository has no license, so all rights stay with meowthink. Use it as a reference, and ask the author before reusing the design.