The SNS output may be used to sense the load current through any channel. The SNS pin will output a current that is proportional to the load current through either channel. This current will be sourced into an external resistor to create a voltage that is proportional to the load current. This voltage may be measured by an ADC or comparator and used to implement intelligent current monitoring for a system. To ensure accurate sensing measurement, R_SNS should be connected to the same ground potential as the μC ADC.

Equation 3 shows the transfer function for calculating the load current from the SNS pin current.

dI_SNST/dT and K_SNS are defined in the Specifications section.