Switching Converter Engineering with Carmen Parisi
- Chris and Carmen have both been co-hosts of The Engineering Commons and both wrote on EngineerBlogs.org
- Carmen is a Staff Application Engineer at Renesas, in the division that used to be Intersil
- Field Application Engineers (FAE) vs Application Engineer (AE)
- The chips Carmen works on help power Intel / AMD processors
- AE vs Silicon designer
- Regulators
- TDP - Total Dissipated Power
- Core rail - 200A over short timelines (!)
- Intel proprietary bus is called SVID
- Multi-phase regulators can have up to 8 buck converters in line
- Slewing current is still limited to V = L * dI/dt
- AMD processors have proprietary buses called SVI2 or SVI3
- Many of these chips provide telemetry (temperatures at various points, current draw, etc)
- Carmen doesn't want to make 12 layer eval boards because most customers wouldn't be able to implement that sort of thing
- Taller inductors are better
- Processors throttling themselves
- Battery upstream
- Parasitics
- DrMOS
- Driver is needed to drive MOS with significant current
- Voltage vs current mode control
- "Virus mode" is a stress test that Intel specs
- Performance tuning with digital
- PMBus
- App notes
- People Carmen follows on Signal Integrity Journal
- Past training materials that are easy to find
- Carmen has been simulating using Cadence Sigrity
- Connect with Carmen on LinkedIn
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