In-Circuit Test (ICT) is a widely used electrical testing method to verify the integrity of the circuit connections on the PCB Assembly (PCBA) and to determine if the electrical performance meets the specified requirements. The ICT test is typically conducted during the final phase of PCBA production to validate the quality and reliability of the assembly.
1、Prepare test fixtures: Based on the design and layout of the PCBA, create appropriate test fixtures for securing and making contact with the PCBA.
2、Connect test instruments: Link the test fixture to ICT test equipment, including test probes, testing instruments, and power supplies.
3、Define test points: Identify the circuit connection points to be tested based on the design and layout of the PCBA, encompassing voltage, current, signals, etc.
4、Perform tests: Position the PCBA on the test fixture, utilize test probes to make contact with the test points, and carry out electrical assessments, such as resistance, capacitance, inductance, short circuits, open circuits, etc.
5、Analyze test results: Evaluate whether the electrical performance of the PCBA meets the requirements by reviewing feedback and test data from the test instrument.
6、Record and save: Maintain a record of test results and data for future analysis and traceability purposes.
By conducting ICT tests on the PCBA, any issues in the manufacturing process can be identified and rectified promptly to ensure correct circuit connections and meet required electrical performance standards. This is crucial for the electronics manufacturing sector to enhance the quality and reliability of PCBA, ultimately reducing defects and errors during production.
1、Prepare test fixtures: Based on the design and layout of the PCBA, create appropriate test fixtures for securing and making contact with the PCBA.
2、Connect test instruments: Link the test fixture to ICT test equipment, including test probes, testing instruments, and power supplies.
3、Define test points: Identify the circuit connection points to be tested based on the design and layout of the PCBA, encompassing voltage, current, signals, etc.
4、Perform tests: Position the PCBA on the test fixture, utilize test probes to make contact with the test points, and carry out electrical assessments, such as resistance, capacitance, inductance, short circuits, open circuits, etc.
5、Analyze test results: Evaluate whether the electrical performance of the PCBA meets the requirements by reviewing feedback and test data from the test instrument.
6、Record and save: Maintain a record of test results and data for future analysis and traceability purposes.
By conducting ICT tests on the PCBA, any issues in the manufacturing process can be identified and rectified promptly to ensure correct circuit connections and meet required electrical performance standards. This is crucial for the electronics manufacturing sector to enhance the quality and reliability of PCBA, ultimately reducing defects and errors during production.
