2 layers12.7 × 25.4 mm
Mlx90614-breakout
melexis/i2c-stick
Demonstrator for Melexis products with an I2C slave interface.
11 parts3MIT
2 layers12.7 × 25.4 mm
Mlx90640-breakout
melexis/i2c-stick3Demonstrator for Melexis products with an I2C slave interface.
- Size
- 12.7 × 25.4 mm
- Copper layers
- 2
- Thickness
- 1.1 mm
- Parts
- 12
- Nets
- 6
- Pads
- 25
- Tracks, vias
- 54, 0
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 17 Jan 2023
- Updated
- 13 Oct 2025
Overview
Mlx90640-breakout is an open-source printed circuit board by melexis, from the melexis/i2c-stick repository on GitHub, published under the MIT licence. It is a 2-layer board of 12.7 × 25.4 mm with 12 parts on 6 nets, routed with 54 tracks and 0 vias.
Its parts include 2 capacitors, 2 resistors, 1 IC and 1 connector. It belongs with the interfaces and adapters boards of this library.
README
mlx90614-breakout/readme.mdMLX90614 Breakout
The sensor
Breakout PBC for MLX90614:
https://melexis.com/mlx90614
Order codes for the sensor:
Standard accuracy:
- MLX90614ESF-BAA-000-SP: 90 Deg FoV
- MLX90614ESF-BCC-000-SP: 35 Deg FoV
- MLX90614ESF-BCF-000-SP: 10 Deg FoV
- MLX90614ESF-BCI-000-SP: 5 Deg FoV
Medical Accuracy:
- MLX90614ESF-DCC-000-SP: 35 Deg FoV
- MLX90614ESF-DCI-000-SP: 5 Deg FoV
Contact our sales team at: https://www.melexis.com/en/contact/sales-contact
Where to buy? https://www.melexis.com/en/contact/distributors
Get started
This board works together with any 3.3V I2C master.
Have a look at our I2C STICK for evaluation pursposes.
The board uses the QWIIC connector system for I2C & Supply.
QWIIC: https://www.sparkfun.com/qwiic
The board
Schema
Layout
3D View
3D Model
Images
todo
Optional socket:
Mill-Max Manufacturing Corp. - 917-43-104-41-005000
https://www.digikey.com/en/products/detail/mill-max-manufacturing-corp/917-43-104-41-005000/1212171
Optional spacer:
PCB to sensor spacer:
https://www.digikey.com/en/products/detail/bivar-inc/514-070/3096249
https://www.digikey.com/en/products/detail/assmann-wsw-components/V4555/3511514
Parts
12| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | TestPoint | TestPoint:TestPoint_Pad_1.0x1.0mm | GND, SCL, SDA, VDD |
| 2 | 4K7 | Resistor_SMD:R_0805_2012Metric | R1, R2 |
| 1 | 100n | Capacitor_SMD:C_0805_2012Metric | C1 |
| 1 | 10u | Capacitor_SMD:C_0805_2012Metric | C2 |
| 1 | Conn_01x04_Male | melexis-temperature:QWIIC_STEMMA_QT | J1 |
| 1 | LOGO | my_footprints:mlx_logo_back | G*** |
| 1 | MLX90640 | melexis-temperature:mlx90640_41 | U1 |
| 1 | SolderJumper_3_Bridged123 | Jumper:SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm_NumberLabels | JP1 |
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Questions
How big is the Mlx90640-breakout PCB?
It measures 12.7 × 25.4 mm and has 2 copper layers, 1.1 mm thick.
What parts does the Mlx90640-breakout use?
12 parts. 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 Mlx90640-breakout KiCad files?
From the melexis/i2c-stick repository on GitHub, at the commit this page was made from: the board is mlx90640-breakout/mlx90640-breakout.kicad_pcb and its schematic mlx90614-breakout/mlx90614-breakout.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Mlx90640-breakout design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).