2 layers56 × 65 mm
SeaTalk1
dotnet/iot
This repo includes .NET Core implementations for various IoT boards, chips, displays and PCBs.
24 parts2.4kMIT
2 layers45 × 35 mm
LM74502ORController
freudenthal/LM74502DiodeORA diode OR module designed to allow two power supplies to safely provide power to a single device. The voltage range is 3V to 60V input with a 3A load. Under voltage and over voltage limits are set using a potentiometer or tied to input voltage and ground to disable.
- Size
- 45 × 35 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 24
- Nets
- 13
- Pads
- 62
- Tracks, vias
- 138, 18
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 7 Jan 2025
- Updated
- 7 Jan 2025
Overview
LM74502ORController is an open-source printed circuit board by freudenthal, from the freudenthal/LM74502DiodeOR repository on GitHub. It is a 2-layer board of 45 × 35 mm with 24 parts on 13 nets, routed with 138 tracks and 18 vias.
Its parts include 7 capacitors, 6 connectors, 5 resistors, 2 transistors and 1 IC.
Parts
24| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 0.1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2, C4, C5, C8 |
| 4 | Screw_Terminal_01x01 | MountingHole:MountingHole_3.2mm_M3_DIN965_Pad | J1, J2, J3, J4 |
| 2 | 1kΩ | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R3 |
| 2 | 1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C7 |
| 2 | 1Ω | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4, R5 |
| 2 | Q_NMOS_GDS | Package_TO_SOT_SMD:TO-252-2 | Q1, Q2 |
| 2 | R_Potentiometer | Potentiometer_SMD:Potentiometer_Bourns_3224W_Vertical | RV1, RV2 |
| 1 | 220nF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3 |
| 1 | 4A | Fuse:Fuse_Littelfuse-NANO2-451_453 | F1 |
| 1 | NSΩ | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2 |
| 1 | V_{IN} | TerminalBlock:TerminalBlock_bornier-2_P5.08mm | J5 |
| 1 | V_{OUT} | TerminalBlock:TerminalBlock_bornier-2_P5.08mm | J6 |
| 1 | ~ | Package_TO_SOT_SMD:SOT-23-8 | U1 |
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Questions
How big is the LM74502ORController PCB?
It measures 45 × 35 mm and has 2 copper layers, 1.6 mm thick.
What parts does the LM74502ORController use?
24 parts. 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 LM74502ORController KiCad files?
From the freudenthal/LM74502DiodeOR repository on GitHub, at the commit this page was made from: the board is LM74502ORController.kicad_pcb and its schematic LM74502ORController.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the LM74502ORController design in my own project?
Its repository states no licence, so its author keeps all rights: ask freudenthal before reusing the design.