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Automotive electronic units need to comply fully with electromagnetic compatibility (EMC) regulations. This paper proposes a comprehensive simulation methodology and techniques for analyzing EMC performance of integrated circuits (ICs) in chip-package-system (CPS) board integration. Extended chip power models (ECPMs) model automotive ICs for noise emission (EMI) and also for noise susceptibility (EMS),...
In-place waveforms at internal nodes of control area network (CAN) transceiver circuits have been evaluated under radio frequency (RF) direct power injection (DPI) immunity test in compliance to IEC TS 62228. The RF power injected into the CAN bus on a printed circuit board (PCB) leads to differential-mode sinusoidal voltage disturbances on the CAN circuits within an integrated circuit (IC) chip....
This paper presents an adaptive supply-resonance (SR) suppression scheme at a product testing stage. Dedicated to each product in different assembly forms, an on-chip power-delivery-network analyzer identifies SR frequency and autotunes notch filter for SR noise suppression. The feasibility has been silicon-proven by a prototype demonstration in 0.18µm CMOS successfully.
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