sensAFE-PM-SV.09 Power metering applications
PRELIMINARY
Single phase |
20 bits Measurement Subsystem |
Low Cost BoM / High resolution |
Designed for enabling up to high precision power metering applications, class up to 0.1 and ranges up to 1/2000, the sensAFE-PM-SV.09 is based on a low power and small area ΣΔ analog to digital converter (ADC) and low noise programmable gain amplifier (PGA). It combines the 3 paths needed for a single-phase measurement of power (voltage, current and tampering) and an automatic gain control (AGC) for area and power consumption optimization.
Thanks to the power supply network (provided by two Linear Regulators) and the embedded low drift reference voltage which finalize this Super Virtual Component (Super ViC), the application will benefit from a sub-system providing the easiest integration and lowest cost of Bill-of-Materials.
It can be easily upgraded to a three-phases application for a highest density.
Product Applications
Key Benefits
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Able to satisfy Class 0.1 system performances and large range application requirements (up to 1/2000)
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Embedded Automatic Gain Control (AGC)
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Embedded low noise Programmable Gain Amplifier (PGA), with gain from 1 to 32
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Low power consumption: 15.7 mW @ 3.3 V
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Tampering path
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On chip low drift reference voltage (25ppm/°C typ)
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Embedded power management for high noise resilience enabling to decrease the constraints on power supply
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The auxADC enables to measure temperatures or voltage reference etc. for calibration by the end-user
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