The PMIC Line and Load Regulation Plugin
The PMIC Line and Load Regulation SIVA test plugin allows companies making Power Management ICs (PMICs) to use their existing test equipment to evaluate DC performance of the PMIC over varying load currents and varying input (line) voltages.
Figure 1. Front Panel of Line and Load Regulation plugin
The plugin requires the following three instrument types., For each type, the PMIC specifications will dictate the model that works best. However, provided the instrument has remote programming capability, thanks to SIVA’s instrument abstraction feature, the instrument can be ‘mapped’ to be used by the plugin. The three instruments are:
SIVA’s Instrument Abstraction feature (described in below thematic) makes it easy to decouple test code from the exact model and instance of instrument.
Figure 2. SIVA instrument abstraction concept
The input parameters for the SIVA Load and Line Regulation Plugin are indicated in the rightmost tab in Figure 3 and can be expanded upon based on the user’s needs:
Figure 3. Test Configurations for PMIC Line and Load Regulation Plugin
What advantages does using the Load and Line Regulation SIVA Plugin afford the user over building his or her own test code for Line and Load Sweeps?
Also available as a separately sold add-on to the PMIC Line and Load Transients Plugin is DIVE, a waveform tagging, learning and analysis tool that uses Machine Learning Models to simplify the waveform analysis for typical PMICs. One can train DIVE to classify the waveform scope-shots from the PMIC output terminals as NORMAL/ ANOMALOUS/DEFECT1 etc.
Some thematic diagrams and screenshots are shown below.
Figure 4. Workflow and Capabilities of DIVE
Figure 5. PMIC Switching regulator waveform analysis in progress using DIVE
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