Design files TM
bu-gsLab·module_thermal_mockup·module_pcb_thermal_mockup/hardware/design-files_TM/design-files_TM.kicad_pcb
About the Design files TM PCB
Design files TM is an open source PCB design by bu-gsLab, published on GitHub. It is a 4-layer board measuring 44.1 × 57.5 mm, with 30 components from 15 distinct parts.
Other key parts include the ETROC_bumpbond_dummy, AD77x8, TMP121 and ADS7953. By type, the board carries 13 resistors, 8 ICs, 7 capacitors, 1 crystal and 1 connector.
It belongs with the sensors designs in this gallery.
From the project
ETL thermal mockup of a module
Dummy LGAD chips: The TM contains 4 Dummy LGAD sensors made of silicon which are bumpbonded to the ETROC chips and wirebonded to the PCB. They act like an thermistor in order to monitor temperature under expected operational usage.
AD77x8: The AD7708 and AD7718 are analog to digitial converters (ADCs) with 16 and 24 bits of resoultion respectively. This integrated circuit is used in order to readout the seen voltage drop of the ETROC and LGAD chips. This data is then correlated with seen temperature. It has 8 channels which correspond to the following ETROC & LGAD chips:

Main components on the Design files TM
Design files TM bill of materials (BOM)
30 components, 15 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | ETROC_bumpbond_dummy | ETROC2_bumpbonds | U1, U2, U3, U4 |
| 1 | AD77x8 | SOIC-28W_7.5x18.7mm_P1.27mm | U5 |
| 1 | TMP121 | SOT-23-6 | U7 |
| 2 | ADS7953 TMP121 | SOT-23-6 | U8, U9 |
| 1 | 32kHz | Crystal_SMD_3215-2Pin_3.2x1.5mm | Y1 |
| 1 | Conn_02x06_Counter_Clockwise | PinHeader_2x06_P2.54mm_Vertical_SMD | J1 |
| 1 | 0.1uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2 |
| 1 | 10uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3 |
| 2 | 33pF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C4, C5 |
| 1 | 0.1UF 0.1uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C6 |
| 2 | 10UF 0.1uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C7, C8 |
| 2 | 12.6 | ETROC_Heater_Serpantine | R1, R2 |
| 2 | 40K 40k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3, R4 |
| 8 | 1k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R5, R6, R7, R8, R9, R10, R11, R12 |
| 1 | 3K3 1M | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R14 |
Design files TM design files
The KiCad project lives in the bu-gsLab/module_thermal_mockup repository on GitHub; these links point at the commit this page was built from.
Design files TM: common questions
How big is the Design files TM PCB?
The Design files TM measures 44.1 × 57.5 mm, has 4 copper layers and is 1.2032 mm thick.
How many components are on the Design files TM?
30 components, from 15 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Design files TM design files?
From the bu-gsLab/module_thermal_mockup repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Design files TM design in my own project?
The repository has no license, so all rights stay with bu-gsLab. Use it as a reference, and ask the author before reusing the design.
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