Patent ID: 11942939
Assignee: HYUNDAI MOBIS CO., LTD.
Field: Basic communication processes (Electrical engineering)
Classification: CPC H  G | IPC H

Claim 0:
1. An apparatus, comprising:
a current detector configured to detect a switching current of a power module flowing between a Kelvin pin and a source pin of the current detector and to output a voltage derived from a differential component of the switching current;
a resistor-capacitor filter configured to filter the voltage output from the current detector;
an integrator configured to integrate a voltage output from the filter;
an analog-to-digital converter (ADC) configured to convert an analog voltage output from the integrator into a digital voltage and to sample the digital voltage;
a scaler configured to apply a scaling constant to a sampled integrator output value output from the ADC and to output a sampled switching current; and
a compensator configured to remove a temperature dependent direct current resistance (DCR) effect from the sampled switching current,
wherein the filter is a high pass filter (HPF).