Schematic Symbol for DPDT Relay 24VDC: MIN RELAY, 2 PDT, 24 VDC...

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Here are three suitable 3.3 V LDO regulators in SOT-23-5 packages:

Table

Part Name	MPN	Key Specs	Package	Datasheet
MIC5365-3.3YD5	MIC5365-3.3YD5	150 mA output, Vin up to 5.5 V, low dropout	SOT-23-5	PDF
ME6211C33M5	ME6211C33M5	500 mA output, Vin up to 6.5 V, shutdown pin	SOT-23-5	PDF
LP3992-33B5F	LP3992-33B5F	150 mA output, Vin up to 5.5 V, low quiescent current	SOT-23-5	1811081106_LOWPOWER-LP3992-33B5F_C324570.pdf

Recommendations:

MIC5365-3.3YD5: Good for low-current logic loads up to 150 mA.
ME6211C33M5: Best when you need a higher 500 mA current capability and a shutdown pin.
LP3992-33B5F: Similar to MIC5365, but optimized for ultra-low quiescent current.

Let me know which one you’d like to add to your schematic, and I can place it for you.

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i need a coil on plug control circuit

jordaz

@copilot i need a coil on plug control circuit

copilot

To create a coil-on-plug (COP) control circuit, you generally need a few key components:

Microcontroller or Control Unit: This will control the timing for the ignition coils. Popular choices for custom ignition systems often include Arduino or other microcontrollers.
Ignition Coil Driver: This typically involves a transistor-based circuit to drive the ignition coils, such as an IGBT (Insulated Gate Bipolar Transistor) or a Power MOSFET. It manages the high current and voltage requirements of the ignition coil.
Ignition Coils: If using COP, you'll have multiple ignition coils, one for each spark plug you are controlling.
Timing Sensors: Sensors like a crankshaft position sensor to detect the position of the engine and synchronize the spark timing.
Power Supply: Depending on your ignition coil, you'll need an appropriate power supply, often a 12V or higher DC source.

Here is a basic outline of the circuit:

Control Unit: Connect the control unit to the transistor gates in your driver circuit.
Driver Circuit: Use a transistor (IGBT or MOSFET) connected to the control unit. Transistors switch the ground or power connection to the ignition coils. Connect the transistor's collector (or drain) to the ignition coil and the emitter (or source) to ground. Control the base (or gate) with the microcontroller.
Ignition Coils: Connect one terminal of the coil primary winding to the power supply (VCC) and the other terminal to the collector (or drain) of the transistor.
Sensors: Connect the sensors to the microcontroller to provide the needed timing signals.

Let me know if you need more detailed information or specific components for any part of the circuit!

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create a high level mermaid block diagram of this project. Include key component...

jordaz

@copilot create a high level mermaid block diagram of this project. Include key component's manufacturer part number in each block whenever possible.

copilot

Here's a high-level Mermaid block diagram for the project. The diagram highlights the key components and includes the manufacturer part number where possible.

Image

This diagram summarizes the main components and their associated pin numbers as per your project setup. If you need more details or modifications, let me know!

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COM_2

COIL_2

NC_2

NO_2

coil on plug control circuit

jordaz

@copilot coil on plug control circuit

copilot

A coil-on-plug (COP) control circuit is typically used in automotive applications, where each ignition coil is placed directly on top of each spark plug. These circuits require precise control to ensure the timely delivery of high voltage to the spark plugs. Here's a simple approach to designing a basic COP control circuit:

Key Components:

Ignition Coil: Converts low-voltage signals into high-voltage pulses.
Microcontroller or Ignition Module: Controls the timing of when each coil fires.
Switching Device (e.g., NPN transistor or MOSFET): Used for rapidly switching the coil on and off.
Power Supply: 12V automotive battery or another suitable power source.
Diode: Used for flyback protection to prevent back EMF from damaging other components.

Basic Connections:

Power Supply:
- Connect the positive terminal of the power supply to the positive side of each ignition coil.
- Connect the ground of the power supply to the common ground for all components.
Microcontroller or Ignition Module:
- Connect the output control signal from the microcontroller to the base/gate of the switching device.
Switching Device:
- Connect the collector/drain of the transistor/MOSFET to the negative terminal of the ignition coil.
- Connect the emitter/source of the transistor/MOSFET to ground.
Flyback Diode:
- Connect the cathode of the diode to the positive side of the ignition coil.
- Connect the anode of the diode to the negative side of the ignition coil.

Example: NPN Transistor Control

Microcontroller Pin → Base of NPN Transistor
Ignition Coil - Negative → Collector of NPN Transistor
Ground → Emitter of NPN Transistor
Diode Cathode → Coil Positive / Power
Diode Anode → Coil Negative / Transistor Collector

Additional Tips:

Ensure the microcontroller can handle the timing precision needed for the ignition process.
Use appropriate transistors or MOSFETs rated to handle the current and voltage of your ignition coils.
Employ protection components like fuses to prevent damage from electrical surges.

Feel free to ask if you need more details on any specific part or the entire circuit design!

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Ground
A common return path for electric current. Commonly known as ground.
jharwinbarrozo
20.5M
Net Portal
Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portal
jharwinbarrozo
43.0M
Power Net Portal
Wirelessly connects power nets on schematic. Identical to the net portal, but with a power symbol. Used to organize schematics and separate functional blocks. To wirelessly connect power net portals, give them the same designator. #portal #power
jharwinbarrozo
11.4M
Generic Resistor
A generic fixed resistor for rapid developing circuit topology. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard resistor values: 1.0Ω 10Ω 100Ω 1.0kΩ 10kΩ 100kΩ 1.0MΩ 1.1Ω 11Ω 110Ω 1.1kΩ 11kΩ 110kΩ 1.1MΩ 1.2Ω 12Ω 120Ω 1.2kΩ 12kΩ 120kΩ 1.2MΩ 1.3Ω 13Ω 130Ω 1.3kΩ 13kΩ 130kΩ 1.3MΩ 1.5Ω 15Ω 150Ω 1.5kΩ 15kΩ 150kΩ 1.5MΩ 1.6Ω 16Ω 160Ω 1.6kΩ 16kΩ 160kΩ 1.6MΩ 1.8Ω 18Ω 180Ω 1.8KΩ 18kΩ 180kΩ 1.8MΩ 2.0Ω 20Ω 200Ω 2.0kΩ 20kΩ 200kΩ 2.0MΩ 2.2Ω 22Ω 220Ω 2.2kΩ 22kΩ 220kΩ 2.2MΩ 2.4Ω 24Ω 240Ω 2.4kΩ 24kΩ 240kΩ 2.4MΩ 2.7Ω 27Ω 270Ω 2.7kΩ 27kΩ 270kΩ 2.7MΩ 3.0Ω 30Ω 300Ω 3.0KΩ 30KΩ 300KΩ 3.0MΩ 3.3Ω 33Ω 330Ω 3.3kΩ 33kΩ 330kΩ 3.3MΩ 3.6Ω 36Ω 360Ω 3.6kΩ 36kΩ 360kΩ 3.6MΩ 3.9Ω 39Ω 390Ω 3.9kΩ 39kΩ 390kΩ 3.9MΩ 4.3Ω 43Ω 430Ω 4.3kΩ 43KΩ 430KΩ 4.3MΩ 4.7Ω 47Ω 470Ω 4.7kΩ 47kΩ 470kΩ 4.7MΩ 5.1Ω 51Ω 510Ω 5.1kΩ 51kΩ 510kΩ 5.1MΩ 5.6Ω 56Ω 560Ω 5.6kΩ 56kΩ 560kΩ 5.6MΩ 6.2Ω 62Ω 620Ω 6.2kΩ 62KΩ 620KΩ 6.2MΩ 6.8Ω 68Ω 680Ω 6.8kΩ 68kΩ 680kΩ 6.8MΩ 7.5Ω 75Ω 750Ω 7.5kΩ 75kΩ 750kΩ 7.5MΩ 8.2Ω 82Ω 820Ω 8.2kΩ 82kΩ 820kΩ 8.2MΩ 9.1Ω 91Ω 910Ω 9.1kΩ 91kΩ 910kΩ 9.1MΩ #generics #CommonPartsLibrary
jharwinbarrozo
1.5M
Generic Capacitor
A generic fixed capacitor ideal for rapid circuit topology development. You can choose between polarized and non-polarized types, its symbol and the footprint will automatically adapt based on your selection. Supported options include standard SMD sizes for ceramic capacitors (e.g., 0402, 0603, 0805), SMD sizes for aluminum electrolytic capacitors, and through-hole footprints for polarized capacitors. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard capacitor values: 1.0pF 10pF 100pF 1000pF 0.01uF 0.1uF 1.0uF 10uF 100uF 1000uF 10,000uF 1.1pF 11pF 110pF 1100pF 1.2pF 12pF 120pF 1200pF 1.3pF 13pF 130pF 1300pF 1.5pF 15pF 150pF 1500pF 0.015uF 0.15uF 1.5uF 15uF 150uF 1500uF 1.6pF 16pF 160pF 1600pF 1.8pF 18pF 180pF 1800pF 2.0pF 20pF 200pF 2000pF 2.2pF 22pF 20pF 2200pF 0.022uF 0.22uF 2.2uF 22uF 220uF 2200uF 2.4pF 24pF 240pF 2400pF 2.7pF 27pF 270pF 2700pF 3.0pF 30pF 300pF 3000pF 3.3pF 33pF 330pF 3300pF 0.033uF 0.33uF 3.3uF 33uF 330uF 3300uF 3.6pF 36pF 360pF 3600pF 3.9pF 39pF 390pF 3900pF 4.3pF 43pF 430pF 4300pF 4.7pF 47pF 470pF 4700pF 0.047uF 0.47uF 4.7uF 47uF 470uF 4700uF 5.1pF 51pF 510pF 5100pF 5.6pF 56pF 560pF 5600pF 6.2pF 62pF 620pF 6200pF 6.8pF 68pF 680pF 6800pF 0.068uF 0.68uF 6.8uF 68uF 680uF 6800uF 7.5pF 75pF 750pF 7500pF 8.2pF 82pF 820pF 8200pF 9.1pF 91pF 910pF 9100pF #generics #CommonPartsLibrary
jharwinbarrozo
1.5M
Generic Inductor
A generic fixed inductor for rapid developing circuit topology. *You can now change the footprint and 3D model at the top level anytime you want. This is the power of #generics
jharwinbarrozo
15.1k
Terminal
An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
natarius
RMCF0805JT47K0
47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film #forLedBlink
jharwinbarrozo
1.2M
875105359001
10uF Capacitor Aluminum Polymer 20% 16V SMD 5x5.3mm #forLedBlink #commonpartslibrary #capacitor #aluminumpolymer #radialcan
jharwinbarrozo
1.2M
CTL1206FYW1T
Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric) #forLedBlink
jharwinbarrozo
1.1M