Creating custom symbols in PCB Design - Business Scenario Walkthrough

Scenario Mode

👤 Your Role: You are a PCB design engineer working on a new electronic product.

📋 Request: Your manager wants you to create custom schematic symbols for unique components not available in the standard library.

📊 Data: You have a list of components with their pin configurations and electrical characteristics.

🎯 Deliverable: Create custom schematic symbols for these components and prepare a report showing the symbol visuals and pin details.

Sample Data

Component	Pin Number	Pin Name	Pin Type
SensorX	1	VCC	Power
SensorX	2	GND	Ground
SensorX	3	OUT	Output
ControllerY	1	IN1	Input
ControllerY	2	IN2	Input
ControllerY	3	VDD	Power
ControllerY	4	GND	Ground
ControllerY	5	OUT	Output

1

Step 1: Organize the component pin data by component name to prepare for symbol creation.

Group data by 'Component' and list pins with their 'Pin Number', 'Pin Name', and 'Pin Type'.

Expected Result

Two groups: SensorX with 3 pins, ControllerY with 5 pins.

2

Step 2: Open your PCB design software's symbol editor to start creating a new symbol for SensorX.

Create new symbol named 'SensorX'. Add pins: Pin 1 as Power named 'VCC', Pin 2 as Ground named 'GND', Pin 3 as Output named 'OUT'.

Expected Result

Symbol 'SensorX' with three pins correctly placed and labeled.

3

Step 3: Create a new symbol for ControllerY with its pins and types.

Create new symbol named 'ControllerY'. Add pins: 1-IN1(Input), 2-IN2(Input), 3-VDD(Power), 4-GND(Ground), 5-OUT(Output).

Expected Result

Symbol 'ControllerY' with five pins correctly placed and labeled.

4

Step 4: Arrange pins logically on the symbol: inputs on left, outputs on right, power pins on top, ground pins on bottom.

Position pins accordingly in the symbol editor for clarity and standard practice.

Expected Result

Symbols with clear, standard pin placement improving readability.

5

Step 5: Save the custom symbols and export a report showing each symbol with pin details.

Export symbol images and create a table listing pins with their numbers, names, and types.

Expected Result

Report with visuals of 'SensorX' and 'ControllerY' symbols and their pin configurations.

Final Result

  SensorX Symbol
  +-----------+
  | VCC (1)   |
  |           |
  | GND (2)   |
  |           |
  | OUT (3)   |
  +-----------+

  ControllerY Symbol
  +-----------------+
  | IN1 (1)   IN2 (2)|
  |                 |
  | VDD (3)   GND (4)|
  |                 |
  |      OUT (5)    |
  +-----------------+

✓Custom symbols for SensorX and ControllerY were created with correct pin assignments.

✓Pins are arranged following standard conventions for easy understanding.

✓The report provides clear visuals and pin details for use in schematic design.

Bonus Challenge

Create a parameterized symbol template that can be reused for similar components by changing pin count and names.

Show Hint

Use the symbol editor's template or scripting features to define variable pins and labels.