Simcenter Micred Power Tester for power cycling and failure-in-progress monitoring
Siemens Digital Industries Software · Reliability qualification and failure analysis
- Purpose
- Repeated heating and cooling can degrade a power device’s thermal path or electrical behavior. Power Tester tracks these changes during cycling to support package and assembly comparisons.
- Technical approach
- It combines active power cycling, electrical monitoring and thermal transient measurements without removing the DUT. Structure functions derived from thermal responses reveal changes in thermal resistance and heat paths.
- Scope of use
- Readable official sources cover IGBT, MOSFET and SiC reliability studies. Device compatibility and drive/measurement configurations need supplier confirmation.
- Limitations and open questions
These evaluation considerations are compiled by BLNKK from public information. They are not supplier guarantees or a mandatory submission checklist.
Scope and limitationsAccelerated cycle counts do not directly establish field lifetime. Siemens notes that cycling strategy affects failure modes and estimates; signals may not establish every root cause.
What to prepareBLNKK suggests preparing connections, current/power ranges, cooling boundaries, operating cycles and failure criteria. Bring mission-profile data for any field-lifetime discussion.
Confirm with the supplierConfirm model, device compatibility, temperature calibration, cycling control, thermal sampling intervals and analysis options. Agree on failure criteria, data delivery and supplementary analysis.
- Public evidence
- The 2018 white paper presents POWERTESTER 1500A experiments, supplemented by a ZFW case and SiC webinar outline. These are not lifetime guarantees for every device.
Supporting references
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BLNKK organizes information from public sources. A company profile does not imply a documented solution. Applicability still needs confirmation against your samples and engineering conditions.