USBC M2E HaLow Adapter
Diode663·USBC_M2E_HaLow_Adapter
About the USBC M2E HaLow Adapter PCB
USBC M2E HaLow Adapter is an open source PCB design by Diode663, published on GitHub under the CERN-OHL-P-2.0 license. It is a 2-layer board measuring 56.5 × 40.5 mm, with 20 components from 15 distinct parts.
Other key parts include the USBLC6-2SC6 and TPS563201DDCR. By type, the board carries 9 capacitors, 4 resistors, 2 ICs, 2 connectors, 1 diode and 1 inductor.
It belongs with the iot & wireless and power & battery designs in this gallery.
From the project
USB-C (USB 2.0) to M.2 Key-E carrier for the Gateworks GW16170 Wi-Fi HaLow card. KiCad 10, generated from Python, Rev A sent to JLCPCB.
USB 2.0 over a USB-C receptacle to an M.2 2230 Key-E socket, for the Gateworks GW16170 (Morse Micro MM8108-M20) Wi-Fi HaLow card. 56.5 x 40.5 mm, 2-layer (JLCPCB JLC0216A), single-sided assembly.
Only USB D+/D- (M.2 pins 3 and 5), 3.3 V and ground go to the card. WDISABLE1# (the card's reset) and WDISABLE2# (wake) are left open on purpose: the card has its own pull-ups, and its reset pin uses a power-on RC that an external pull-up would defeat.

Main components on the USBC M2E HaLow Adapter
USBC M2E HaLow Adapter bill of materials (BOM)
20 components, 15 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | USBLC6-2SC6 STMicroelectronics | SOT-23-6 | U1 |
| 1 | TPS563201DDCR Texas Instruments | SOT-23-6 | U2 |
| 1 | TYPE-C-31-M-12 USB-C HRO | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J1 |
| 1 | MLD-NGFF-E-4.2H M.2 Key-E (GW16170) MLD | CONN-SMD_MLD-NGFF-E-4.2H | J2 |
| 1 | SMTSOM225BTR M2 standoff H2.5 YIYUAN | SMTSO_M2_H2.5_SMTSOM225BTR | H5 |
| 1 | SMF5.0A R+O | D_SOD-123F | D1 |
| 1 | CYA0630-2.2UH 2.2uH SHOU HAN | IND-SMD_L7.2-W6.6_GPSR07X0 | L1 |
| 1 | GRM32DR71E106KA12L 10uF/25V Murata | C_1210_3225Metric | C1 |
| 4 | CL05B104KO5NNNC 100nF CCTC | C_0402_1005Metric | C2, C3, C8, C9 |
| 2 | CL21A226MAQNNNE 22uF CCTC | C_0805_2012Metric | C4, C5 |
| 1 | CL31A107MQHNNNE 100uF Samsung | C_1206_3216Metric | C6 |
| 1 | CL10A106KP8NNNC 10uF CCTC | C_0603_1608Metric | C7 |
| 2 | 0402WGF5101TCE 5.1k Uniroyal | R_0402_1005Metric | R1, R2 |
| 1 | FRC0402F3322TS 33.2k Uniroyal | R_0402_1005Metric | R3 |
| 1 | 0402WGF1002TCE 10k Uniroyal | R_0402_1005Metric | R4 |
USBC M2E HaLow Adapter design files
The KiCad project lives in the Diode663/USBC_M2E_HaLow_Adapter repository on GitHub; these links point at the commit this page was built from.
USBC M2E HaLow Adapter: common questions
How big is the USBC M2E HaLow Adapter PCB?
The USBC M2E HaLow Adapter measures 56.5 × 40.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the USBC M2E HaLow Adapter?
20 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 USBC M2E HaLow Adapter design files?
From the Diode663/USBC_M2E_HaLow_Adapter 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 USBC M2E HaLow Adapter design in my own project?
Yes, under the terms of its CERN-OHL-P-2.0 license, which Diode663 chose for the repository.
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