2 layers81 × 22 mm
4 layers101 × 22 mm
Lowside
rusefi/hw_modular13*DEPRECATED* rusEFI prototyping hardware
- Size
- 101 × 22 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 348
- Nets
- 85
- Pads
- 562
- Tracks, vias
- 454, 22
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 25 Feb 2019
- Updated
- 11 Dec 2023
Overview
Lowside is an open-source printed circuit board by rusefi, from the rusefi/hw_modular repository on GitHub. It is a 4-layer board of 101 × 22 mm with 348 parts on 85 nets, routed with 454 tracks and 22 vias.
It is built around the VNLD5090TR-E. Its parts include 44 resistors, 30 diodes, 14 capacitors, 7 ICs and 1 connector.
Main components
1README
cj125_Module/readme.mdSee also https://github.com/rusefi/rusefi/wiki/WBO
on this board UR does NOT have build-in resistor divider
on this board UA resistor divider with 1.68 ratio
| Module Pin | Sensor wire |
|---|---|
| HT1 | H+ constant +12v |
| GATE | H- low side heater control |
| VM1 | VS/IP=VM=common virtual ground for VS and IP |
| IP1 | IP |
| UN1 | VS pin 6, black |
| IA1 | CalR pin 5, green |
Parts
348| Qty | Value | Footprint | References |
|---|---|---|---|
| 28 | 1k | Resistor_SMD:R_0603_1608Metric | R1, R2, R10, R13, R14, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R29 +12 |
| 16 | LED | LED_SMD:LED_0603_1608Metric | D9, D10, D11, D12, D13, D14, D15, D16, D19, D20, D23, D24, D25, D26, D29, D30 |
| 14 | 10k | Resistor_SMD:R_0603_1608Metric | R3, R4, R7, R8, R11, R12, R15, R16, R27, R28, R33, R34, R41, R42 |
| 14 | 6.8n | Capacitor_SMD:C_0603_1608Metric | C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14 |
| 14 | D_Schottky | Diode_SMD:D_SMF | D1, D2, D3, D4, D5, D6, D7, D8, D17, D18, D21, D22, D27, D28 |
| 7 | VNLD5090 | Package_SO:SO-8_3.9x4.9mm_P1.27mm | U1, U2, U3, U4, U5, U6, U7 |
| 1 | 1.5k | Resistor_SMD:R_0603_1608Metric | R38 |
| 1 | 330 | Resistor_SMD:R_0603_1608Metric | R37 |
| 1 | Conn_02x39_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x39_P2.54mm_Vertical | J1 |
The 96 most common of 348 parts.
Questions
How big is the Lowside PCB?
It measures 101 × 22 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Lowside use?
348 parts, built around the VNLD5090TR-E. 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 Lowside KiCad files?
From the rusefi/hw_modular repository on GitHub, at the commit this page was made from: the board is lowside/lowside.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Lowside design in my own project?
Its repository states no licence, so its author keeps all rights: ask rusefi before reusing the design.
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