| 摘要 |
Example embodiments of a processor current monitor include a switching voltage regulator including a series-connected LC filter including a first inductor, with the first inductor having an inductance value of L1, a first terminal coupled to a switch and a second terminal coupled to a first node, and with the LC filter further including a first capacitor, with the first capacitor having a capacitance value of C1, a first terminal coupled to the first node and a second terminal coupled to a second node, where the switch is configured to couple the inductor to an input voltage at a selected frequency and with the switching voltage regulator configured to supply an output current from the first node to a processor, an inductor current monitoring element 729, coupled to the first inductor, configured to output a first signal indicating the magnitude of current flowing through the first inductor, a capacitor current monitoring element 719, coupled to the first capacitor, configured to output a second signal indicating the magnitude of current flowing through the first capacitor, and a summing element 741, coupled to receive the first and second signals, configured to output a current monitor signal indicating the sum of the first and second signals and with the current monitor signal indicating the magnitude of the output current. |
| 主权项 |
1. A processor current monitor comprising:
a switching voltage regulator including a series-connected LC filter including a first inductor, with the first inductor having an inductance value of L1, a first terminal coupled to a switch and a second terminal coupled to a first node, and with the LC filter further including a first capacitor, with the first capacitor having a capacitance value of C1, a first terminal coupled to the first node and a second terminal coupled to a second node, where the switch is configured to couple the inductor to an input voltage at a selected frequency and with the switching voltage regulator configured to supply an output current from the first node to a processor; an inductor current monitoring element 729, coupled to the first inductor, configured to output a first signal indicating the magnitude of current flowing through the first inductor; a capacitor current monitoring element 719, coupled to the first capacitor, configured to output a second signal indicating the magnitude of current flowing through the first capacitor; and a summing element 741, coupled to receive the first and second signals, configured to output a current monitor signal indicating the sum of the first and second signals and with the current monitor signal indicating the magnitude of the output current. |
