MCXN Reaction Wheel Board
About the MCXN Reaction Wheel Board
MCXN Reaction Wheel Board is an open source PCB design by oresat, published on GitHub under the GPL-2.0 license. It is a 6-layer board measuring 35 × 50 mm, with 210 components from 46 distinct parts.
Other key parts include the MCXN947VDFT, TCAN330DCNR, MA732GQ-Z, TPSM82901SISR and TPSM828214SILR. By type, the board carries 129 capacitors, 49 resistors, 13 ICs, 10 inductors, 2 connectors and 2 diodes.
It belongs with the sensors designs in this gallery, and the repository also holds 1 earlier revision of it.
From the project
Controller PCB for OreSat reaction wheels, magnetorquers, IMU, and magnetometers
The MCXN-Reaction-Wheel-Board-V2 is the dedicated controller board for the reaction wheel assembly. Each controller manages a single reaction wheel. Centered around the NXP MCXN947VDFT microcontroller, this board combines:
- GaN H-bridge inverters for motor driving - Current sense amplifiers - Encoder interfacing - Additional thermal and voltage metrology - Communication to the ADCS Card
Main components on the MCXN Reaction Wheel Board
MCXN Reaction Wheel Board bill of materials (BOM)
210 components, 46 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MCXN947VDFT NXP | BGA184C50P17X17_900X900X98 | IC1 |
| 1 | TCAN330DCNR TCAN330 TI | SOT-23-8 | U1 |
| 1 | MA732GQ-Z MA732 MPS | QFN-16-1EP_3x3mm_P0.5mm_EP1.75x1.75mm | U2 |
| 1 | TPSM82901SISR TPSM82901 TI | TI_uSIP_SIS | U3 |
| 1 | TPSM828214SILR TPSM828214 TI | TI_uSIP_SIL | U4 |
| 1 | ADP7156ACPZ-3.3-R7 ADP7156ACPZ AD | DFN-10-1EP_3x3mm_P0.5mm_EP1.65x2.38mm | U5 |
| 1 | REF3030AIDBZT REF3030E TI | SOT-23 | U6 |
| 3 | LMG2100R044RARR LMG2100R044 TI | TI_torment_nexus | U7, U9, U11 |
| 3 | INA296A3QDDFRQ1 INA296A3 TI | SOT-23-8 | U8, U10, U12 |
| 1 | 830108212309 24 MHz Wurth | Crystal_SMD_2016-4Pin_2.0x1.6mm | Y1 |
| 1 | SM14B-SHLS-TF JST | J-JST-SM14BSHLSTF | J1 |
| 1 | 0555600307 MEZZ Molex | 0555600307 | J2 |
| 4 | NCU15XH103F6SRC Thermistor_NTC_US Murata | R_0402_1005Metric | TH1, TH2, TH3, TH4 |
| 2 | 150060VS55040 Green Wurth | LED_0603_1608Metric | D1, D2 |
| 5 | BLM15PX601SZ1D BLM15PX601SZ1 Murata | L_0402_1005Metric | FB1, FB5, FB7, FB8, FB9 |
| 3 | BLM31SN500SN1L Murata | L_1206_3216Metric | FB2, FB3, FB4 |
| 1 | AC0402FR-070RL 0 Yageo | L_0402_1005Metric | FB6 |
| 1 | SRP2012TMA-1R5M 1.5u Bourns Inc. | L_0805_2012Metric | L1 |
| 22 | GRT155R71E104KE01J 100n Murata | C_0402_1005Metric | C1, C2, C10, C14, C15, C16, C18, C20 +14 |
| 10 | GRT32EC81C476KE13L 47u Murata | C_1210_3225Metric | C3, C4, C49, C50, C51, C52, C53, C54 +2 |
Show 26 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 22 | GRT188C81C106ME13D 10u Murata | C_0603_1608Metric | C5, C9, C21, C26, C29, C34, C35, C71 +14 |
| 32 | GRT155C81C225ME13D 2.2u Murata | C_0402_1005Metric | C6, C8, C63, C64, C65, C66, C67, C77 +24 |
| 19 | GRT155C81A475ME13J 4.7u Murata | C_0402_1005Metric | C7, C12, C17, C24, C25, C27, C31, C36 +11 |
| 1 | GCM155R71H103KA55D 10n Murata | C_0402_1005Metric | C11 |
| 5 | GRT155C81A105ME01D 1u Murata | C_0402_1005Metric | C13, C22, C37, C38, C42 |
| 1 | CGA5L1X7R1C685M160AC 6.8u TDK Corporation | C_1206_3216Metric | C19 |
| 3 | GRT188C80J226ME13D 22u Murata | C_0603_1608Metric | C30, C43, C44 |
| 2 | GRM1885C1H4R7WA01D 4.7p Murata | C_0603_1608Metric | C32, C33 |
| 3 | GCM2165C2A332JA16D 3.3n Murata | C_0805_2012Metric | C45, C46, C47 |
| 6 | GCM1555C1H470JA16D 47p Murata | C_0402_1005Metric | C59, C61, C83, C85, C107, C109 |
| 3 | GCM155R71H152KA37D 1.5n Murata | C_0402_1005Metric | C68, C92, C116 |
| 2 | SR0402FR-7T100RL 100 Yageo | R_0402_1005Metric | R1, R9 |
| 2 | AC0402DR-0710KL 10k Yageo | R_0402_1005Metric | R2, R5 |
| 1 | AC0402FR-0749K9L 49.9k Yageo | R_0402_1005Metric | R3 |
| 1 | AC0402FR-0776K8L 76.8k Yageo | R_0402_1005Metric | R4 |
| 1 | PE0402FRF7W0R47L 470m Yageo | R_0402_1005Metric | R6 |
| 4 | RP0402BRD075K1L 5.1k/0.1% Yageo | R_0402_1005Metric | R7, R24, R34, R44 |
| 4 | RP0402BRD073K3L 3.3k/0.1% Yageo | R_0402_1005Metric | R8, R25, R35, R45 |
| 4 | AC0402FR-073K3L 3.3k Yageo | R_0402_1005Metric | R10, R11, R12, R13 |
| 3 | SR0805FR-7T12RL 12 Yageo | R_0805_2012Metric | R14, R15, R16 |
| 1 | AC0402FR-070RL DNP Yageo | R_0402_1005Metric | R17 |
| 10 | AC0402FR-070RL 0 Yageo | R_0402_1005Metric | R18, R26, R28, R29, R36, R38, R39, R46 +2 |
| 1 | PE0402FRF470R1L 100m Yageo | R_0402_1005Metric | R19 |
| 6 | AC0402FR-0722RL 22 Yageo | R_0402_1005Metric | R20, R21, R30, R31, R40, R41 |
| 6 | AC0402FR-072R7L 2.7 Yageo | R_0402_1005Metric | R22, R23, R32, R33, R42, R43 |
| 3 | WSKW06122L000FEA 2m Vishay | R_Shunt_Vishay_WSKW0612 | R27, R37, R47 |
MCXN Reaction Wheel Board design files
The KiCad project lives in the oresat/oresat-adcs-hardware repository on GitHub; these links point at the commit this page was built from.
MCXN Reaction Wheel Board: common questions
How big is the MCXN Reaction Wheel Board?
The MCXN Reaction Wheel Board measures 35 × 50 mm, has 6 copper layers and is 1.6 mm thick.
How many components are on the MCXN Reaction Wheel Board?
210 components, from 46 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 MCXN Reaction Wheel Board design files?
From the oresat/oresat-adcs-hardware 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 MCXN Reaction Wheel Board design in my own project?
Yes, under the terms of its GPL-2.0 license, which oresat chose for the repository.
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