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Thanks, we wish to use Hall because the power is too great for sense resistors, and there are problems paralleling high power, 4 terminal sense resistors.
Why, particularly? There's no obvious relation between sample rate and the bandwidth of a linear component.Linear Hall Effect Sensors use ADC and DAC with sample rates around 7kHz. Otherwise they are non-linear.
Thanks, we looked into Allegro...
We are going to use the ACS758LCB-050B Bidirectional (datasheet below) Hall sensor to monitor the current in series with the resonant inductor of our 7.4kW Full Bridge LLC Converter. This is to shut the LLC controller down in case of overcurrent.
Do you know why our competitors are not doing this?, it is, after all, so easy.
We miss sensing the negative half of the sinusoidal current, but that is not going to matter.
The LLC converter is resonant at 60KHz, and we operate it from 45kHz to 200kHz.
Presumably nothing untoward will happen when we go up to 150khz?
ACS758LCB-050B Hall sensor datasheet:
https://www.farnell.com/datasheets/1927450.pdf
We are going to use the ACS758LCB-050B Bidirectional (datasheet below) Hall sensor to monitor the current in series with the resonant inductor of our 7.4kW Full Bridge LLC Converter. This is to shut the LLC controller down in case of overcurrent.
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