1. A load driver circuit for driving a load comprising: a power supply circuit operably coupled to the load and configured to provide a load current operably passing through the load in accordance with at least one control signal; a measurement circuit coupled to the power supply circuit or the load and configured to measure, during operation of the load, at least one operation parameter of the load; and a signal processing circuit that receives the at least one operation parameter measured by the measurement circuit and configured to estimate, based on the at least one operation parameter and a parametric model that characterizes the load, one or more model parameters of the model.