Test Board with Overcurrent Protection for Memory Module
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Solution Overview
Problem
As electronic products are used in increasingly harsh environments with higher ambient temperatures and humidity, there is a need for effective testing of memory modules in high-temperature and high-humidity conditions to ensure their normal operation.
Innovation Solution
A test board is designed to test memory modules, featuring a memory slot, a power supply terminal, an overcurrent protection unit, and an indicating unit. The overcurrent protection unit is triggered when the memory module is short-circuited, and the indicating unit shows the state of the protection unit, allowing for timely confirmation of short-circuit conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If memory modules are tested in high-temperature and high-humidity environments, then the reliability of electronic products in harsh environments is improved, but the complexity of the testing system increases
Solution Approach 1:
The test board enables self-diagnosis through the indicating unit that automatically detects and displays test results without requiring external testing equipment. The memory module itself becomes part of the testing system, with the indicating unit providing visual feedback on pass/fail status, thereby simplifying the overall testing setup while maintaining reliability validation in harsh environments.
2Reliability
If an overcurrent protection unit is added to protect against short circuits, then the safety of memory modules is improved, but the device complexity increases
Solution Approach 1:
The overcurrent protection unit is integrated directly into the test board circuitry, merging the protection function with the existing testing infrastructure. The indicating unit serves dual purposes by showing both test results and protection unit status, thereby adding safety functionality without proportionally increasing overall device complexity.
3Ease of operation
If an indicating unit is added to show test results, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The indicating unit uses visual indicators (such as LED lights or color-coded displays) to show test results and protection unit status. This provides immediate, intuitive feedback to operators without requiring complex instrumentation or interpretation, thereby improving ease of operation with minimal added complexity.
Data Source
AI summary
The embodiments of the present application provide a test board, which is applied in temperature and humidity tests for a memory module, and includes: a memory slot configured to be connected with the memory module; a power supply terminal configured to supply power to the memory module; an overcurrent protection unit connected in series between the memory slot and the power supply terminal and configured to be blown when the memory module is short-circuited; and an indicating unit connected in series between the overcurrent protection unit and a ground terminal and configured to indicate a state of the overcurrent protection unit. The embodiments of the present application provide a test board capable of indicating temperature and humidity test results.