2 layers99 × 80 mm
MmM
wyolum/mmM
mmMercury is an Open Hardware, blood pressure measurement device (not FDA approved).
167 parts2
2 layers74.7 × 53.6 mm
- Size
- 74.7 × 53.6 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 39
- Nets
- 31
- Pads
- 121
- Tracks, vias
- 255, 87
- Pours
- 5
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 25 Jan 2024
- Updated
- 25 Jan 2024
Overview
LED Dimmer is an open-source printed circuit board by infinus-electronics, from the infinus-electronics/Constant-On-Time-LED-Dimmer repository on GitHub. It is a 2-layer board of 74.7 × 53.6 mm with 39 parts on 31 nets, routed with 255 tracks and 87 vias.
It is built around the MSP430G2553IN20, PBSS4240DPN and PMBT4401, with the PXP015-30QLJ and SS35 among its other parts. Its parts include 12 resistors, 8 capacitors, 5 diodes, 5 switches and 3 transistors. It belongs with the MSP430 boards of this library.
Main components
5
MSP430G2553IN20
DIP-20-40℃~+85℃ 1.8V~3.6V 10bit 16 16 Bit 16KB 16MHz 512Byte Built-in FLASH MSP430 CPU16 DIP-20 Microcontrollers (MCU/MPU/SOC) ROHSTexas InstrumentsMicrocontrollers (MCU/MPU/SOC)
PBSS4240DPN
SC-741.1A、1.35A 1.1W 100nA 150MHz 180mV 300 40V NPN+PNP SC-74 Bipolar (BJT) ROHSNexperiaBipolar (BJT)
PMBT4401
SOT-231 NPN 100 250MHz 250mW 40V 50nA 600mA 6V 750mV NPN SOT-23 Bipolar (BJT) ROHSNexperiaBipolar (BJT)PXP015-30QLJ
MLPAK33-55℃~+150℃ 1 P-Channel 1.2nF 1.6V 12.8A 120pF 15.8mΩ@10V 30V 36.9nC@10V 4.2W MLPAK33 MOSFETs ROHSNexperiaMOSFETs
SS35
DO-214AB(SMC)-55℃~+150℃ 100A 3A 500uA@50V 50V 750mV@3A Independent DO-214AB(SMC) Schottky Diodes ROHSonsemiSchottky Diodes
README
README.mdConstant On Time LED Dimmer
Parts
39| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | 1k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R101, R105, R107, R108, R109, R110, R111 |
| 4 | 1u | Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C104, C106, C107, C108 |
| 2 | 1n | Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C101, C105 |
| 2 | 470 | Resistor_SMD:R_2010_5025Metric | R102, R103 |
| 1 | 330u | Capacitor_SMD:CP_Elec_8x10 | C102 |
| 1 | 3k9 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R104 |
| 1 | 470u | Capacitor_SMD:CP_Elec_8x10 | C103 |
| 1 | 47k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R112 |
| 1 | 56u | Inductor_SMD:L_Bourns_SRR1208_12.7x12.7mm | L101 |
| 1 | 9k1 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R106 |
| 1 | AP2204RB-3.3 | Package_TO_SOT_SMD:SOT-89-3 | U102 |
| 1 | HIGH | Button_Switch_THT:SW_PUSH_6mm | SW104 |
| 1 | HIGH | Diode_SMD:D_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D105 |
| 1 | LOW | Button_Switch_THT:SW_PUSH_6mm | SW102 |
| 1 | LOW | Diode_SMD:D_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D103 |
| 1 | MED | Button_Switch_THT:SW_PUSH_6mm | SW103 |
| 1 | MED | Diode_SMD:D_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D104 |
| 1 | MSP430G2553IN20 | Package_DIP:DIP-20_W7.62mm | U101 |
| 1 | OFF | Button_Switch_THT:SW_PUSH_6mm | SW101 |
| 1 | OFF | Diode_SMD:D_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D102 |
| 1 | OUT | TerminalBlock:TerminalBlock_bornier-2_P5.08mm | J102 |
| 1 | PBSS4240DPN | Package_TO_SOT_SMD:TSOT-23-6_HandSoldering | Q103 |
| 1 | PMBT4401 | Package_TO_SOT_SMD:SOT-23_Handsoldering | Q101 |
| 1 | PXP015-30QL | PXP015:PXP01530QLJ | Q102 |
| 1 | RESET | Button_Switch_THT:SW_PUSH_6mm | SW105 |
| 1 | SBW | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J101 |
| 1 | SS35 | Diode_SMD:D_SMC_Handsoldering | D101 |
| 1 | VIN | TerminalBlock:TerminalBlock_bornier-2_P5.08mm | J103 |
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Questions
How big is the LED Dimmer PCB?
It measures 74.7 × 53.6 mm and has 2 copper layers, 1.6 mm thick.
What parts does the LED Dimmer use?
39 parts, built around the MSP430G2553IN20, PBSS4240DPN, PMBT4401 and PXP015-30QLJ. 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 LED Dimmer KiCad files?
From the infinus-electronics/Constant-On-Time-LED-Dimmer repository on GitHub, at the commit this page was made from: the board is LED Dimmer.kicad_pcb and its schematic LED Dimmer.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the LED Dimmer design in my own project?
Its repository states no licence, so its author keeps all rights: ask infinus-electronics before reusing the design.