• Terminal
    Terminal
    An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
    natarius
  • Ground
    Ground
    A common return path for electric current. Commonly known as ground.
    jharwinbarrozo
    20.5M
  • Net Portal
    Net Portal
    A net identifier used to create connectivity to other Net Portal with the same designator. #portal
    jharwinbarrozo
    43.0M
  • Power Net Portal
    Power Net Portal
    Power net portal is a special schematic object used to define a power or ground net. Power ports allow you to conveniently indicate a power net at any location in the design. Power nets of the same designator automatically connect throughout your design #portal #power
    jharwinbarrozo
    11.4M
  • Generic Resistor
    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
    Generic Capacitor
    A generic fixed capacitor 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 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
    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
    14.2k
  • 875105359001
    875105359001
    10uF Capacitor Aluminum Polymer 20% 16V SMD 5x5.3mm #forLedBlink #commonpartslibrary #capacitor #aluminumpolymer #radialcan
    jharwinbarrozo
    1.2M
  • CTL1206FYW1T
    CTL1206FYW1T
    Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric) #forLedBlink
    jharwinbarrozo
    1.1M
  • 1070TR
    1070TR
    Battery Holder (Open) Coin, 20.0mm 1 Cell SMD (SMT) Tab bate or batt #forLedBlink
    jharwinbarrozo
    700.5k
this pin matches the prefix, but has a custom suffix (so should be used as is)
dominic-dev

dominic-dev

this pin matches the prefix, but has a custom suffix (so should be used as is)
2y
Someone is typing...
create a high level mermaid block diagram of this project. Include key component...
xymbiot

xymbiot

@copilot create a high level mermaid block diagram of this project. Include key component's manufacturer part number in each block whenever possible.
4mo

copilot

Sure, I can create a high-level Mermaid block diagram for your project. Here's the Mermaid code for the block diagram:

Image

Power Supply
IN
OUT
IN
Power Input (15-32V DC)
Voltage Regulator (R-7812-0.5)
Capacitor 0.1uF
12V DC Output
Ground
Capacitor 0.33uF
Explanation:

  • PWR_IN: Represents the power input, which is a power source ranging from 15-32V DC.

  • R_7812: Represents the voltage regulator with part number R-7812-0.5.

  • C1: Represents the 0.33uF capacitor connected between the input of the voltage regulator and ground.

  • C2: Represents the 0.1uF capacitor connected between the voltage regulator output and ground.

  • GND: Represents the ground connection.

  • OUT12V: Represents the regulated 12V DC output.

Each connection between components denotes the flow and relationships within the circuit.
4mo
xymbiot

xymbiot

create 220v input for this schematic
4mo

copilot

To create a 220V input for this schematic, you will need to add a step-down transformer and a bridge rectifier to convert the 220V AC to a lower DC voltage suitable for your original circuit. Assuming you want to step down to around 24V DC (compatible with the input range for your existing voltage regulator), here's how you can modify the design:
Components to Add:

  1. Transformer: Steps down from 220V AC to ~24V AC.

  2. Bridge Rectifier: Converts 24V AC to ~24V DC.

  3. Filter Capacitor: Smoothens the DC output.

Here's the updated high-level block diagram with the new components:

Image

DC to 12V Power Supply
220V AC Power Supply
IN
OUT
IN
Power Input (15-32V DC)
Voltage Regulator (R-7812-0.5)
Capacitor 0.33uF
Capacitor 0.1uF
Ground
12V DC Output
220V AC Input
Step-Down Transformer
Bridge Rectifier
Filter Capacitor
DC Output (~24V)
Detailed Connections:

  1. 220V AC Input: Connect this to the primary winding of the step-down transformer.

  2. Step-Down Transformer: Outputs ~24V AC from the secondary winding.

  3. Bridge Rectifier: Connects to the secondary winding of the transformer, converting 24V AC to ~24V DC.

  4. Filter Capacitor: Connects across the DC output of the bridge rectifier to smooth the ripple.

  5. DC Output from Filter Capacitor: Serves as the input to your original voltage regulator circuit.

Additional Parts:

  • Transformer: Many options available with specs stepping down from 220V AC to 24V AC.

  • Bridge Rectifier: Common part numbers include 1N4007.

  • Filter Capacitor: Use an electrolytic capacitor with adequate voltage rating (e.g., 470uF, 35V).

This modification will enable your circuit to accept a 220V AC input and provide the necessary 12V DC output through the existing voltage regulator and capacitors.
4mo
xymbiot

xymbiot

without transformer
4mo

copilot

If we aim to create a 220V input without using a transformer, we can use a direct AC-to-DC conversion method. This usually involves:

  1. Rectification: Using a bridge rectifier to convert AC to DC.

  2. Capacitive Dropping and Filtering: Using a dropping capacitor and filter capacitors.

  3. Voltage Regulation: Using an appropriate voltage regulator to ensure a stable output.

However, working with 220V directly is quite dangerous and requires careful design for safety. Assuming you want to convert 220V AC directly to a DC voltage that your R-7812-0.5 can manage, here’s a modified block diagram:
Note: Ensure all components, particularly the capacitors, diodes, and regulators, are rated appropriately for high voltage.

Image

DC to 12V Power Supply
220V AC Power Supply
IN
OUT
IN
Power Input (15-32V DC)
Voltage Regulator (R-7812-0.5)
Capacitor 0.33uF
Capacitor 0.1uF
Ground
12V DC Output
220V AC Input
Dropping Capacitor
Bridge Rectifier
Filter Capacitor
DC Output (Dropping Voltage)
Detailed Component Connection:

  1. 220V AC Input: Direct input from the power source.

  2. Dropping Capacitor (X2-Type): Used to limit the current and drop the voltage. Connect this directly to the AC input.

  3. Bridge Rectifier: Converts the AC from the dropping capacitor to DC.

  4. Filter Capacitor: Smooths the pulsating DC. The capacitor needs to have a high voltage rating.

  5. DC Output: The filtered DC serves as the input to the existing voltage regulator circuit via PWR_IN.

Additional Parts:

  • Dropping Capacitor: X2-type safety capacitors rated for continuous operation across the mains voltage.

  • Bridge Rectifier: Part like 1N4007 serves well for rectification.

  • Filter Capacitor: Electrolytic capacitor with adequate voltage rating (e.g., 470uF, 400V).

Safety Note:

  • High Voltage Handling: Directly working with high voltage requires adherence to safety protocols and standards (e.g., proper insulation, clearance, and creepage distances).

  • Component Ratings: Ensure all capacitors, bridge rectifiers, and any additional components are rated to handle the peak voltage and current.

Would you like to proceed with this design or would you prefer any modifications?
4mo
Someone is typing...
7
Have to use a pin called GND, not a real ground, because we need to keep these s...
dominic-dev

dominic-dev

Have to use a pin called GND, not a real ground, because we need to keep these split in the parent project for e.g. bipolar power supplies
2y
Someone is typing...
6
does not match its prefix
dominic-dev

dominic-dev

does not match its prefix
2y
Someone is typing...
5
does not match its prefix, should be used as is
dominic-dev

dominic-dev

does not match its prefix, should be used as is
2y
Someone is typing...
2
these match their prefix, and could stand to be renumbered
dominic-dev

dominic-dev

these match their prefix, and could stand to be renumbered
2y
Someone is typing...
3
U1
GND
C2
Capacitance
0.1uF
C1
Capacitance
0.33uF

12V 1A 7812 PS Sublayout

12V 1A 7812 PS Sublayout
Created
September 28th 2022
Last updated by xymbiot
4 months ago
3 Contributor(s)
dominic-dev
mars5
xymbiot

Controls

Properties

Availability & Pricing

DistributorQty 1
Arrow$7.18–$8.05
Digi-Key$8.53
Mouser$8.40
Verical$7.14–$10.69

Assets

    Simulation

    µs

    Simulation Speed

    Hey, I'm copilot! I can help you with all kinds of stuff in your project. Reac...

    copilot

    Hey, I'm copilot! I can help you with all kinds of stuff in your project. Reach me at any time by tagging me on comments or in the chat with my handle, @copilot.
    1y

    copilot

    To modify your design for inputting 220V and outputting 12V at 1A, you'll need to incorporate an AC to DC converter since 220V is AC and your circuit operates on DC.
    Here's what you'd typically need to add:

    1. Bridge Rectifier: To convert AC to DC.

    2. Step-down Transformer: To step down the 220V AC to a lower AC voltage that's more manageable by the regulator.

    3. Smoothing Capacitors: To smooth out the rectified signal.

    4. Voltage Regulator like your R-7812-0.5.

    Below are suggestions and steps for modifying the circuit:
    Components and Their Connections

    1. Step-down Transformer (220V AC to 24V AC)

      • Designator: T1

      • Pins: Primary (P1, P2), Secondary (S1, S2)

    2. Bridge Rectifier

      • Designator: BR1

      • Pins: AC1, AC2 (AC inputs), +, - (DC outputs)

    3. Smoothing Capacitor

      • Designator: C3

      • Capacitance: 1000µF (Voltage rating should be higher than 24V)

    4. Voltage Regulator (R-7812-0.5)

      • Pins: Same as current U1

    Connections

    1. Step-down Transformer

      • Connect T1:P1 to one terminal of the 220V AC input.

      • Connect T1:P2 to the other terminal of the 220V AC input.

      • Connect T1:S1 to BR1:AC1.

      • Connect T1:S2 to BR1:AC2.

    2. Bridge Rectifier

      • Connect BR1:+ to C3:P1.

      • Connect BR1:- to C3:P2 (This point will be GND).

    3. Smoothing Capacitor

      • Connect C3:P1 (positive lead) to U1:IN.

      • Connect C3:P2 (negative lead) to U1:GND, C1:P2, C2:P1.

    4. Voltage Regulator and Output

      • Connect U1:OUT to 12VDC OUT.

      • Connect U1:GND to GND.

    Full Net Connections

    • Primary Connections

      • Connect T1:P1 to 220V AC live wire.

      • Connect T1:P2 to 220V AC neutral wire.

    • Secondary to Bridge Rectifier

      • Connect T1:S1 to BR1:AC1.

      • Connect T1:S2 to BR1:AC2.

    • Rectified Output to Smoothing Capacitor and Regulator

      • Connect BR1:+ to C3:P1.

      • Connect BR1:- to C3:P2, U1:GND, C1:P2, C2:P1.

      • Connect U1:IN to C1:P1, C3:P1.

      • Connect U1:OUT to 12VDC OUT.

    Let's add these components and make the necessary connections to update your schematic.
    4mo
    xymbiot

    xymbiot

    modify with out transformer
    4mo

    copilot

    Without a transformer, you can use a switch-mode power supply (SMPS) module that is designed to step down from 220V AC to the desired DC voltage directly. This is a more efficient and compact solution than using a transformer.
    Components and Their Connections

    1. AC-DC Converter Module (220V AC to 12V DC)

      • Designator: AC_DC

      • Pins: AC_L, AC_N (AC inputs), V_out+, V_out- (DC outputs)

    2. Voltage Regulator (R-7812-0.5)

      • Pins: Same as current U1 (IN, GND, OUT)

    3. Smoothing Capacitor (Additional Capacitor for better regulation)

      • Designator: C3

      • Capacitance: 470µF (Voltage rating should be higher than 12V)

    Connections

    1. AC-DC Converter

      • Connect AC_DC:AC_L to the live 220V AC input.

      • Connect AC_DC:AC_N to the neutral 220V AC input.

      • Connect AC_DC:V_out+ to C3:P1.

      • Connect AC_DC:V_out- to C3:P2 (This point will be GND).

    2. Smoothing Capacitor

      • Connect C3:P1 (positive lead) to U1:IN.

      • Connect C3:P2 (negative lead) to U1:GND, C1:P2, C2:P1.

    3. Voltage Regulator and Output

      • Connect U1:OUT to 12VDC OUT.

      • Connect U1:GND to GND.

    Full Net Connections

    • AC-DC Converter to 220V AC

      • Connect AC_DC:AC_L to 220V AC live wire.

      • Connect AC_DC:AC_N to 220V AC neutral wire.

    • DC Output to Smoothing Capacitor and Regulator

      • Connect AC_DC:V_out+ to C3:P1.

      • Connect AC_DC:V_out- to C3:P2, U1:GND, C1:P2, C2:P1.

      • Connect U1:IN to C3:P1, C1:P1.

      • Connect U1:OUT to 12VDC OUT.

    Let's modify your schematic accordingly. You will need to select an appropriate AC-DC converter module, such as the HLK-PM12 or a similar module that meets your power requirements.
    4mo
    Someone is typing...
    Checks that the power traveling across a given resistor is under its rating with 50% headroom.
    Learn more
    Checks that IC pins that require pull up or pull down resistors have them.
    Learn more
    Checks that capacitors have appropriate voltage ratings to prevent overheating and ensure reliable circuit operation.
    Checks that all parts have a part number and are available from distributors.
    Des
    Net
    Des
    Net
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    12VDC OUT
    —
    IN
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    GND
    GND
    OUT
    —
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    Net - (f6b8 - undefined)
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    Net - (e959 - 5237)
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    GND
    Trace 0279
    —
    Trace f94b
    Net - (e959 - 5237)
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    GND
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    Net - (f6b8 - undefined)
    P2
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    Net - (f6b8 - undefined)
    P2
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    P2
    —
    Reports parts that have no footprint.
    Reports nodes that are assigned to a layer that doesn't exist in the layout stackup.
    Reports components that have been modified using the "!important" flag.
    Designators
    Net
    GND, GND
    GND
    IN, PWR-IN-15-32VDC, P1
    Net - (e959 - 5237)
    Reports nodes that are using rules that are not supported anymore.
    Reports layers that have multiple copper fills of different nets. Make sure the Connected Layers rule value of nets with fills is valid.
    Name
    Trace 0279