Hw 55 te
rusefi·hw_55_te
About the Hw 55 te PCB
Hw 55 te is an open source PCB design by rusefi, published on GitHub. It is a 2-layer board measuring 154 × 109 mm, with 58 components from 12 distinct parts.
Other key parts include the TPIC8101 and molex_48pin_MRE. By type, the board carries 8 capacitors, 8 resistors, 2 ICs, 2 crystals and 1 battery holder.
From the project
rusEfi PnP ECU for 55 pin TE 963063.
This board is a direct swap for OEM Yanvar and Mikas case. This adapter uses microRusEFI as brain module.

Main components on the Hw 55 te
Hw 55 te bill of materials (BOM)
58 components, 12 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TPIC8101 | SOIC-20W_7.5x12.8mm_P1.27mm | U1 |
| 1 | molex_48pin_MRE | Molex_48_MRE_clean | U3 |
| 1 | 55pin_january_5.1 | TE_963063-2 | X1 |
| 1 | 8MHz | Crystal_SMD_HC49-SD | Y1 |
| 1 | Battery_Cell | BATT_CR2032_MPD | BT1 |
| 1 | n.a. TestPoint_2Pole | SM0805_jumper | W1 |
| 36 | TestPoint_2Pole | SM0805_jumper | W4, W6, W8, W11, W15, W16, W17, W18 +28 |
| 3 | 100nF | C_0603_1608Metric | C1, C5, C6 |
| 1 | 4.7uF | C_0805_2012Metric | C2 |
| 2 | 3.3nF | C_0603_1608Metric | C3, C4 |
| 2 | 18pF | C_0603_1608Metric | C7, C8 |
| 8 | R | R_0603_1608Metric | R1, R2, R3, R4, R5, R6, R7, R8 |
Hw 55 te design files
The KiCad project lives in the rusefi/hw_55_te repository on GitHub; these links point at the commit this page was built from.
- Layoutpnp55te.kicad_pcb
Hw 55 te: common questions
How big is the Hw 55 te PCB?
The Hw 55 te measures 154 × 109 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Hw 55 te?
58 components, from 12 distinct parts. The full bill of materials is listed on this page.
Where can I download the Hw 55 te design files?
From the rusefi/hw_55_te repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Hw 55 te design in my own project?
The repository has no license, so all rights stay with rusefi. Use it as a reference, and ask the author before reusing the design.