Plug block
csiz·hex-single-motor-mini-drive·symbols-and-footprints/Library.kicad_blocks/plug-block.kicad_block/plug-block.kicad_pcb
About the Plug block PCB
Plug block is an open source PCB design by csiz, published on GitHub under the MIT license. It is a 4-layer board measuring 12.7 × 12.7 mm, with 18 components from 15 distinct parts.
Other key parts include the C55266. By type, the board carries 8 resistors, 3 capacitors, 2 ICs, 2 transistors and 1 diode.
It belongs with the robotics & motion and power & battery designs in this gallery.
From the project
FOC driver for a single BLDC motor.
Brushless motor driver for mini gear motors and servos. This driver focuses on fine force control using field oriented control (FOC). The motor can be commanded to move to track position, velocity, and/or force. The driver will maintain the current wave exactly 90 degrees out of phase to the EMF wave for maximum efficieny. Position is tracked via hall sensors, EMF feedback and I2C rotary sensors.

Main components on the Plug block
Plug block bill of materials (BOM)
18 components, 15 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ~ TOSHIBA(东芝) | WLCSP-6_L1.2-W0.8-P0.40-TL | U31 |
| 1 | C55266 ~ TI(德州仪器) | SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BR | U32 |
| 1 | ~ HL(富海微) | WDFN-5_L3.1-W3.1-P0.65-BL_1 | Q19 |
| 1 | C7543836 ~ HL(富海微) | WDFN-5_L3.1-W3.1-P0.65-BL_1 | Q20 |
| 1 | C2856803 ~ XUNPU(讯普) | FPC-SMD_20P-P0.50_XUNPU_FPC-05F-20PH20 | FPC6 |
| 1 | C393939 ~ SHOU HAN(首韩) | USB-C-SMD_TYPE-C16PIN | USB6 |
| 1 | C32677 ~ PROTEK | SOT-23-3_L3.0-W1.7-P0.95-LS2.9-BR | D11 |
| 1 | 1UF 1uF SAMSUNG(三星) | C0603 | C40 |
| 2 | 1uF SAMSUNG(三星) | C0603 | C80, C81 |
| 1 | 5mΩ 大毅科技 | R2512 Shunt with Kelvin connections | R6 |
| 1 | 20kΩ UNI-ROYAL(厚声) | R0402 | R70 |
| 2 | 56kΩ UNI-ROYAL(厚声) | R0603 | R71, R89 |
| 1 | 10kΩ UNI-ROYAL(厚声) | R0603 | R75 |
| 1 | 100kΩ UNI-ROYAL(厚声) | R0402 | R91 |
| 2 | 1MΩ UNI-ROYAL(厚声) | R0402 | R101, R108 |
Plug block design files
The KiCad project lives in the csiz/hex-single-motor-mini-drive repository on GitHub; these links point at the commit this page was built from.
Plug block: common questions
How big is the Plug block PCB?
The Plug block measures 12.7 × 12.7 mm, has 4 copper layers and is 1.67 mm thick.
How many components are on the Plug block?
18 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 Plug block design files?
From the csiz/hex-single-motor-mini-drive repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Plug block design in my own project?
Yes, under the terms of its MIT license, which csiz chose for the repository.
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