2 layers39.5 × 80.5 mm
Cem3340-vco
carr-james/cem3340-vco
A clone of Kassutronics 3340. Entirely for the purpose of learning how to build a Eurorack module, start to finish.
58 parts7
2 layers50 × 50 mm
LiPo Protection
ngollon/LiPo-Protection2KiCAD Layout of a LiPo discharge protection board
- Size
- 50 × 50 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 56
- Nets
- 29
- Pads
- 150
- Tracks, vias
- 421, 41
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 14 Sep 2015
- Updated
- 16 Sep 2015
Overview
LiPo Protection is an open-source printed circuit board by ngollon, from the ngollon/LiPo-Protection repository on GitHub. It is a 2-layer board of 50 × 50 mm with 56 parts on 29 nets, routed with 421 tracks and 41 vias.
It is built around the LM324, 74HC08D and LP2950-33, with the IRLML2502 and TL431 among its other parts. Its parts include 30 resistors, 12 capacitors, 4 ICs, 3 connectors and 2 diodes. It belongs with the power boards of this library.
Main components
5
LM324
SOP-14-1.5V~10V 0℃~+70℃ 24V 250nA 3V~20V 4 40mA 50nA 700uA 7mV 80dB SOP-14 Operational Amplifier ROHSHXY MOSFETOperational Amplifier74HC08D
SOP-14-40℃~+125℃ 1.5V~4.2V 1.9V、3.7V、5.2V 100mV、400mV 2 27ns@4.5V,50pF 2V~6V 2uA 4 5.2mA 5.2mA 500mV~1.8V 74HC Series AND Gate SOIC-14 Logic Gates ROHSNexperiaLogic Gates
LP2950-33
UncategorisedUnknown maker
IRLML2502
SOT-23-40℃~+150℃ 1 N-channel 1.25W 20V 4.2A 50mΩ@2.5V 600mV 66pF 740pF 8nC@10V SOT-23 MOSFETs ROHSGuangdong HottechMOSFETsTL431
SOT-23-20℃~+85℃ 150mA 1mA 2.5V~36V 50ppm/℃ Adjustable Parallel Temperature compensation control ±1% SOT-23 Voltage Reference ROHSGuangdong HottechVoltage Reference
Parts
56| Qty | Value | Footprint | References |
|---|---|---|---|
| 12 | 100k | Resistors_SMD:R_0805_HandSoldering | R1, R2, R3, R4, R5, R6, R9, R10, R11, R12, R13, R14 |
| 7 | 1u | Capacitors_SMD:C_0805_HandSoldering | C2, C3, C4, C7, C8, C9, C10 |
| 4 | 180k | Resistors_SMD:R_0805_HandSoldering | R20, R21, R26, R27 |
| 4 | 22k | Resistors_SMD:R_0805_HandSoldering | R18, R19, R24, R25 |
| 4 | 68k | Resistors_SMD:R_0805_HandSoldering | R16, R17, R22, R23 |
| 3 | 100nF | Capacitors_SMD:C_0805_HandSoldering | C1, C5, C6 |
| 2 | 2S | Resistors_SMD:R_0805_HandSoldering | R29, R32 |
| 2 | 3S | Resistors_SMD:R_0805_HandSoldering | R30, R33 |
| 2 | LM324 | SMD_Packages:SOIC-14_N | U1, U2 |
| 1 | 10k | Resistors_SMD:R_0805_HandSoldering | R15 |
| 1 | 1µF | Capacitors_SMD:C_0805_HandSoldering | C12 |
| 1 | 3.3µF | Capacitors_SMD:C_0603_HandSoldering | C11 |
| 1 | 74HC08 | SMD_Packages:SOIC-14_N | U3 |
| 1 | CONN_01X05 | Pin_Headers:Pin_Header_Straight_1x05 | P1 |
| 1 | D | Diodes_ThroughHole:Diode_DO-41_SOD81_Horizontal_RM10 | D1 |
| 1 | IRLML2502 | Housings_SOT-23_SOT-143_TSOT-6:SOT-23 | Q1 |
| 1 | LP2950 | Housings_TO-92:TO-92_Inline_Narrow_Oval | U4 |
| 1 | Load | Pin_Headers:Pin_Header_Straight_1x02 | P2 |
| 1 | S | Resistors_SMD:R_0805_HandSoldering | R7 |
| 1 | Supply | Pin_Headers:Pin_Header_Straight_1x02 | P3 |
| 1 | TL431 | Housings_SOT-23_SOT-143_TSOT-6:SOT-23_Handsoldering | D2 |
The 52 most common of 56 parts.
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Questions
How big is the LiPo Protection PCB?
It measures 50 × 50 mm and has 2 copper layers, 1.6 mm thick.
What parts does the LiPo Protection use?
56 parts, built around the LM324, 74HC08D, LP2950-33 and IRLML2502. 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 LiPo Protection KiCad files?
From the ngollon/LiPo-Protection repository on GitHub, at the commit this page was made from: the board is LiPoProtection.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the LiPo Protection design in my own project?
Its repository states no licence, so its author keeps all rights: ask ngollon before reusing the design.