Laser driver v3 Power
About the Laser driver v3 Power PCB
Laser driver v3 Power is an open source PCB design by scular-HCC, published on GitHub under the Custom license license. It is a 2-layer board measuring 261.3 × 165.2 mm, with 273 components from 103 distinct parts.
Other key parts include the MC7808CTG, LT3042EMSE +5.5V, LTC6655BHMS8-5#PBF, MC7812CTG and MC7805CTG. By type, the board carries 102 resistors, 90 capacitors, 28 ICs, 24 diodes, 19 transistors and 7 connectors.
It belongs with the test & measurement designs in this gallery.
From the project
Dual laster Pound-Dreaver-Hall driver setup. 1550 nm DFBs. Q=10^-5. Less than 20 GHz difference
A precision two-channel controller for 1550 nm DFB butterfly lasers — a differential optical thermometer built as a 3U Eurocard instrument.
Each channel provides low-noise constant-current laser drive, a bipolar linear TEC temperature controller, RF frequency modulation, and a synchronous-demodulation Pound–Drever–Hall lock that holds the laser to the side of an optical resonance. Lasers A and B lock to their own fringe of a shared reference cavity; the beat frequency between them, Δν = S·(TB − TA) with S ≈ 2 GHz/K, is a ratiometric measurement in which slow common-mode drift cancels.
Main components on the Laser driver v3 Power
Laser driver v3 Power bill of materials (BOM)
273 components, 103 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | MC7808CTG | TO-220-3_Vertical | U1, U14, U17 |
| 1 | LT3042EMSE +5.5V | MSOP-10-1EP_3x3mm_P0.5mm_EP1.68x1.88mm | U2 |
| 1 | LTC6655BHMS8-5#PBF | MSOP-8_3x3mm_P0.65mm | U3 |
| 2 | MC7812CTG | TO-220-3_Vertical | U4, U13 |
| 1 | MC7805CTG | TO-220-3_Vertical | U5 |
| 1 | LT3045EMSE 3.3V | MSOP-12-1EP_3x4.039mm_P0.65mm_EP1.651x2.845mm | U6 |
| 1 | LP5907MFX-1.8 | SOT-23-5 | U7 |
| 1 | TPS7A3901DSCR | Texas_DSC0010J_ThermalVias | U8 |
| 1 | LT3094EMSE -14.3V | MSOP-12-1EP_3x4.039mm_P0.65mm_EP1.651x2.845mm | U9 |
| 1 | LT3042EMSE +14.3V | MSOP-10-1EP_3x3mm_P0.5mm_EP1.68x1.88mm | U10 |
| 2 | LM4051AIM3-ADJ/NOPB | SOT-23_Handsoldering | U11, U12 |
| 2 | LT3045EMSE 5V | MSOP-12-1EP_3x4.039mm_P0.65mm_EP1.651x2.845mm_ThermalVias | U15, U16 |
| 1 | LM7905_TO220 | TO-220-3_Vertical | U18 |
| 1 | LT3045EMSE 5V | MSOP-12-1EP_3x4.039mm_P0.65mm_EP1.651x2.845mm | U19 |
| 1 | LT3094EMSE -5V | MSOP-12-1EP_3x4.039mm_P0.65mm_EP1.651x2.845mm | U20 |
| 1 | OPA192IDBVR | SOT-23-5_HandSoldering | U21 |
| 1 | MCP6002-xMC | SOIC-8_3.9x4.9mm_P1.27mm | U22 |
| 5 | LM339 | SOIC-14_3.9x8.7mm_P1.27mm | U23, U25, U26, U27, U28 |
| 1 | MCP6004 | SOIC-14_3.9x8.7mm_P1.27mm | U24 |
| 2 | IRF540NPBF | TO-220-3_Vertical | Q1, Q3 |
Show 83 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | IRF9540NPBF | TO-220-3_Vertical | Q2, Q4 |
| 1 | MMBT2907 | SOT-23_Handsoldering | Q5 |
| 1 | MMBT2222 | SOT-23_Handsoldering | Q6 |
| 2 | Q_PNP_MJL21193 | TO-264-3_Vertical | Q7, Q8 |
| 2 | Q_NPN MJL21194 | TO-264-3_Vertical | Q9, Q10 |
| 9 | MMBT3904 | SOT-23 | Q11, Q12, Q13, Q14, Q15, Q16, Q17, Q18 +1 |
| 5 | Screw_Terminal_01x03 | PhoenixContact_MSTBA_2,5_3-G-5,08_1x03_P5.08mm_Horizontal | J1, J2, J3, J4, J5 |
| 1 | Conn_02x12_Counter_Clockwise | Molex_Micro-Fit_3.0_43045-2412_2x12_P3.00mm_Vertical | J6 |
| 1 | Conn_01x02_Pin | PhoenixContact_MSTBA_2,5_2-G_1x02_P5.00mm_Horizontal | J7 |
| 2 | 1N4148 | D_SOD-123 | D_CP1, D_CP2 |
| 1 | Ametherm SL22 10005 | R_Axial_DIN0411_L9.9mm_D3.6mm_P7.62mm_Vertical | TH1 |
| 1 | GBU4M | Diode_Bridge_Vishay_GBU | D1 |
| 4 | 1N4742A | D_DO-41_SOD81_P10.16mm_Horizontal | D2, D3, D8, D9 |
| 7 | 1N4007 | D_DO-15_P12.70mm_Horizontal | D4, D5, D6, D12, D13, D14, D15 |
| 1 | GBU1506 | Diode_Bridge_Vishay_GBU | D7 |
| 2 | 1N4148W | D_SOD-123 | D10, D11 |
| 1 | +15V_OK | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D16 |
| 1 | -15V_OK | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D17 |
| 1 | +5V_OK | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D18 |
| 1 | -5V_OK | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D19 |
| 1 | +6V_OK | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D20 |
| 1 | -6V_OK | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D21 |
| 1 | +5VLaser_OK | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D22 |
| 1 | 3V3_OK | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D23 |
| 1 | 1V8_OK | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D24 |
| 4 | 470nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2, C42, C43 |
| 2 | 2200uF 50V | CP_Radial_D18.0mm_P7.50mm | C3, C4 |
| 2 | 1000uF 50V | CP_Radial_D16.0mm_P7.50mm | C5, C6 |
| 6 | 2.2 uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C7, C8, C44, C45, C52, C53 |
| 18 | 100nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C9, C10, C14, C17, C18, C27, C55, C58 +10 |
| 4 | 4.7uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C11, C13, C54, C56 |
| 7 | 4.7uF X7R | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C12, C21, C30, C31, C60, C67, C70 |
| 13 | 10uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C15, C25, C26, C28, C29, C32, C33, C61 +5 |
| 1 | 10uF 16V Polymer | CP_Radial_D4.0mm_P2.00mm | C16 |
| 1 | 47uF RC | C_1210_3225Metric_Pad1.33x2.70mm_HandSolder | C19 |
| 1 | 4.7uF RC | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C20 |
| 2 | 10uF X5R or X7R | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C22, C69 |
| 2 | 1uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C23, C24 |
| 6 | 3300uF (UPW1E332MHD) | C_Radial_D16.0mm_H25.0mm_P7.50mm | C34, C35, C36, C37, C38, C39 |
| 4 | 1000uF 25V | CP_Radial_D12.5mm_P5.00mm | C40, C41, C48, C49 |
| 2 | 2200uF 35V | CP_Radial_D18.0mm_P7.50mm | C46, C47 |
| 1 | 1000 uF C_out+ | CP_Radial_D12.5mm_P5.00mm | C50 |
| 1 | 1000 uF C_out- | CP_Radial_D12.5mm_P5.00mm | C51 |
| 3 | 0.33uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C57, C63, C64 |
| 1 | 100uF | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C59 |
| 9 | 10nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C81, C82, C83, C84, C85, C86, C87, C88 +1 |
| 5 | 1k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R11, R16, R17, R51 |
| 2 | 15 | R_Axial_Power_L38.0mm_W9.0mm_P45.72mm | R2, R3 |
| 4 | 1M | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4, R5, R22, R23 |
| 4 | 100k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R6, R7, R26, R27 |
| 1 | 4.75 2W | RESC3263X80N | R8 |
| 1 | 4.75, 2+W | RESC3263X80N | R9 |
| 1 | 54.9k 0.1% | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R10 |
| 1 | 4.7R | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R12 |
| 1 | 33k 0.1% | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R13 |
| 2 | 12.7k 0.1% | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R14, R15 |
| 2 | 143k 0.1% | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R18, R19 |
| 2 | 15R | R_Axial_Power_L38.0mm_W9.0mm_P45.72mm | R20, R21 |
| 2 | 15k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R24, R31 |
| 2 | 60.4k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R25, R30 |
| 2 | 1.5k Bias | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R28, R29 |
| 2 | 4.75R 2W | RESC3263X80N | R32, R33 |
| 4 | 0.1R | R_2512_6332Metric_Pad1.40x3.35mm_HandSolder | R34, R35, R36, R37 |
| 2 | 1k bleed resistor | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R38, R39 |
| 1 | 1R RC | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R40 |
| 1 | 49.9k 0.1% | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R41 |
| 2 | 20m PCB Trace | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R42, R43 |
| 2 | 16k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R44, R47 |
| 2 | 50k 0.1% | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R45, R46 |
| 22 | 10k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R48, R49, R54, R55, R58, R60, R62, R63 +14 |
| 1 | 29.4k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R50 |
| 1 | 9.53k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R52 |
| 1 | 110k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R53 |
| 3 | 100 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R56, R66, R72 |
| 1 | 120k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R59 |
| 1 | 40.2k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R61 |
| 1 | 47.5k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R64 |
| 2 | 30.1k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R65, R77 |
| 1 | 38.3k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R71 |
| 1 | 16.5k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R78 |
| 1 | 4.42k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R83 |
| 9 | 1.3k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R88, R89, R90, R91, R92, R93, R94, R95 +1 |
| 9 | 4.7k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R97, R98, R99, R100, R101, R102, R103, R104 +1 |
Laser driver v3 Power design files
The KiCad project lives in the scular-HCC/DualLaserPDHDriver repository on GitHub; these links point at the commit this page was built from.
Laser driver v3 Power: common questions
How big is the Laser driver v3 Power PCB?
The Laser driver v3 Power measures 261.3 × 165.2 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Laser driver v3 Power?
273 components, from 103 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 Laser driver v3 Power design files?
From the scular-HCC/DualLaserPDHDriver 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 Laser driver v3 Power design in my own project?
It is published under Custom license, which limits how it may be reused; read the license before building on it.
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