Abstract: A method and apparatus for monitoring instantaneous load current is disclosed. In one embodiment, an integrated circuit includes a voltage regulator and at least one functional unit implemented thereon. The voltage regulator includes a supply circuit configured to provide a voltage to the functional unit, and a sense circuit configured to determine an amount of current provided to the functional unit by the supply circuit. The sense circuit may determine the instantaneous load current being provided to the functional unit. An indication circuit is configured to provide, to the functional unit, an indication of the amount of current supplied thereto by the supply circuit.

Abstract: A method and apparatus for monitoring instantaneous load current is disclosed. In one embodiment, an integrated circuit includes a voltage regulator and at least one functional unit implemented thereon. The voltage regulator includes a supply circuit configured to provide a voltage to the functional unit, and a sense circuit configured to determine an amount of current provided to the functional unit by the supply circuit. The sense circuit may determine the instantaneous load current being provided to the functional unit. An indication circuit is configured to provide, to the functional unit, an indication of the amount of current supplied thereto by the supply circuit.

Abstract: A bandgap reference circuit includes an amplifier configured to provide an output voltage dependent upon voltages appearing at an inverting input and a non-inverting input. The bandgap reference circuit also includes a first transistor coupled between the non-inverting input and a circuit ground reference, and a first resistor coupled to the inverting input. The bandgap reference circuit also includes a number of second transistors coupled in parallel between the circuit ground reference and the first resistor. At least a portion of the second transistors are connected to the first resistor through a plurality of programmably selectable switches.