GRiPM Bubba Bias Supply
About the GRiPM Bubba Bias Supply PCB
GRiPM Bubba Bias Supply is an open source PCB design by umn-impish, published on GitHub under the MPL-2.0 license. It is a 2-layer board measuring 90 × 90 mm, with 104 components from 55 distinct parts.
Other key parts include the MAX44243ASD+, TCA0372BDWR2G, MIC5281-3.3YMME-TR, BNX022-01L and LT3013MPFE-PBF. By type, the board carries 36 capacitors, 26 resistors, 7 ICs, 7 connectors, 4 fuses and 4 jumpers.
From the project
kicad files for the IMPISH piggyback
Main components on the GRiPM Bubba Bias Supply
GRiPM Bubba Bias Supply bill of materials (BOM)
104 components, 55 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MAX44243ASD+ | MAX44243ASD+ | U1 |
| 1 | TCA0372BDWR2G | TCA0372BDWR2G | U2 |
| 1 | MIC5281-3.3YMME-TR | MIC5281_3_3YMME_TR | U3 |
| 1 | BNX022-01L | BNX022-01L_MUR | U4 |
| 1 | LT3013MPFE-PBF | LT3013MPFE_PBF | U5 |
| 1 | ISL22317WFRTZ | ISL22317WFRTZ | U6 |
| 1 | ADUM1253ASA+ | ADUM1253ASA | U7 |
| 3 | M80-5000442 | M80_5000442 | J1, J2, J7 |
| 4 | 0734151472 | MMCX_Molex_73415-1471_Vertical | J3, J4, J5, J6 |
| 1 | +V | TestPoint_THTPad_D2.0mm_Drill1.0mm_JLCrules | +V1 |
| 1 | -V | TestPoint_THTPad_D2.0mm_Drill1.0mm_JLCrules | -V1 |
| 1 | BIAS | TestPoint_THTPad_D2.0mm_Drill1.0mm_JLCrules | BIAS1 |
| 1 | BIAS_REF | TestPoint_THTPad_D2.0mm_Drill1.0mm_JLCrules | BIAS_REF1 |
| 1 | KMB22S | KMB22S | BR1 |
| 1 | COM | TestPoint_THTPad_D2.0mm_Drill1.0mm_JLCrules | COM1 |
| 1 | DC | TestPoint_THTPad_D2.0mm_Drill1.0mm_JLCrules | DC1 |
| 4 | F0603G0R02FNTR | F0603G0R02FNTR | F1, F2, F3, F4 |
| 2 | Choke_Coilcraft_MSD1278 | MSD1278 | FL1, FL2 |
| 1 | ~ | R_1206_3216Metric | JP1 |
| 1 | SolderJumper_2_Open | R_1206_3216Metric | JP13 |
Show 35 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | Jumper_2_Open | R_1206_3216Metric | JP18, JP19 |
| 1 | XFMR_REF | TestPoint_THTPad_D2.0mm_Drill1.0mm_JLCrules | REF1 |
| 1 | LIN_REG | TestPoint_THTPad_D2.0mm_Drill1.0mm_JLCrules | REG1 |
| 1 | RHEOSTAT | TestPoint_THTPad_D2.0mm_Drill1.0mm_JLCrules | RHEOSTAT1 |
| 1 | SIN1 | TestPoint_THTPad_D2.0mm_Drill1.0mm_JLCrules | SIN1 |
| 1 | SIN2 | TestPoint_THTPad_D2.0mm_Drill1.0mm_JLCrules | SIN2 |
| 1 | 42TM026-RC | 42TM026RC | T1 |
| 1 | XFMR+ | TestPoint_THTPad_D2.0mm_Drill1.0mm_JLCrules | XFMR+1 |
| 1 | XFMR- | TestPoint_THTPad_D2.0mm_Drill1.0mm_JLCrules | XFMR-1 |
| 1 | MMSZ5264C-E3-08 | D_SOD-123 | D2 |
| 1 | 620 | L_1206_3216Metric | FB1 |
| 1 | 470u | L_1206_3216Metric | L2 |
| 9 | 10n | C_1206_3216Metric | C1, C2, C5, C6, C9, C11, C12, C14 +1 |
| 8 | 1n | C_1206_3216Metric | C3, C4, C7, C8, C27, C29, C33, C37 |
| 9 | 0.1u | C_1206_3216Metric | C10, C13, C15, C16, C17, C23, C26, C34 +1 |
| 4 | 68u | CP_Elec_10x10 | C18, C19, C20, C21 |
| 1 | 1u_+60V | C_1206_3216Metric | C22 |
| 1 | 4.7u | C_1206_3216Metric | C24 |
| 1 | 10u | C_2220_5750Metric | C25 |
| 3 | 10u | C_1206_3216Metric | C30, C32, C35 |
| 2 | 100 | R_1206_3216Metric | R1, R6 |
| 4 | 47.5k | R_1206_3216Metric | R2, R3, R4, R5 |
| 2 | 150k | R_1206_3216Metric | R7, R8 |
| 5 | 10k | R_1206_3216Metric | R9, R12, R13, R14, R17 |
| 1 | 1.5M | R_1206_3216Metric | R10 |
| 1 | 360k | R_1206_3216Metric | R11 |
| 1 | 38.3k | R_1206_3216Metric | R15 |
| 1 | 100k | R_1206_3216Metric | R16 |
| 1 | 1M | R_1206_3216Metric | R20 |
| 1 | 500k | R_1206_3216Metric | R21 |
| 1 | 10 | R_1206_3216Metric | R22 |
| 1 | 732k | R_1206_3216Metric | R23 |
| 1 | 19.1k | R_1206_3216Metric | R24 |
| 2 | 2k | R_0805_2012Metric | R27, R28 |
| 2 | 2k | R_1206_3216Metric | R30, R31 |
GRiPM Bubba Bias Supply design files
The KiCad project lives in the umn-impish/kicad repository on GitHub; these links point at the commit this page was built from.
GRiPM Bubba Bias Supply: common questions
How big is the GRiPM Bubba Bias Supply PCB?
The GRiPM Bubba Bias Supply measures 90 × 90 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the GRiPM Bubba Bias Supply?
104 components, from 55 distinct parts. The full bill of materials is listed on this page.
Where can I download the GRiPM Bubba Bias Supply design files?
From the umn-impish/kicad repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the GRiPM Bubba Bias Supply design in my own project?
Yes, under the terms of its MPL-2.0 license, which umn-impish chose for the repository.
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