Current balancing, current sensor, and phase balancing apparatus and method for a voltage regulator
First Claim
Patent Images
1. An apparatus comprising:
- a plurality of inductors at least one of which is coupled to a capacitor and a load;
a plurality of bridges at least one of which is coupled to the at least one inductor from the plurality of inductors; and
a plurality of current sensors at least one of which is coupled to the at least one bridge to sense current through a transistor of the at least one bridge, wherein the at least one bridge includes a high-side switch and a low-side switch, wherein the high-side switch includes two transistors coupled in series, and wherein the low-side switch includes two transistors coupled in series.
0 Assignments
0 Petitions
Accused Products
Abstract
Apparatuses and methods of current balancing, current sensing and phase balancing, offset cancellation, digital to analog current converter with monotonic output using binary coded input (without binary to thermometer decoder), compensator for a voltage regulator (VR), etc. are provided here. An apparatus is provided which comprises: a plurality of inductors coupled to a capacitor and a load; a plurality of bridges, each of which is coupled to a corresponding inductor from the plurality of inductors; and a plurality of current sensors, each of which is coupled to a bridge to sense current through a transistor of the bridge.
-
Citations
24 Claims
-
1. An apparatus comprising:
-
a plurality of inductors at least one of which is coupled to a capacitor and a load; a plurality of bridges at least one of which is coupled to the at least one inductor from the plurality of inductors; and a plurality of current sensors at least one of which is coupled to the at least one bridge to sense current through a transistor of the at least one bridge, wherein the at least one bridge includes a high-side switch and a low-side switch, wherein the high-side switch includes two transistors coupled in series, and wherein the low-side switch includes two transistors coupled in series. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. An apparatus comprising:
-
a first current sensor for sensing current through a high-side switch; a second current sensor for sensing current through a low-side switch, wherein the low-side switch is coupled to the high-side bridge, wherein the high-side switch includes two transistors coupled in series, and wherein the low-side switch includes two transistors coupled in series; and a circuit to generate an average current using sensed current from the first and second current sensors. - View Dependent Claims (12, 13, 14, 15, 16)
-
-
17. A system comprising:
-
a memory; a processor coupled to the memory, the processor comprising; a first current sensor for sensing current through a high-side switch; a second current sensor for sensing current through a low-side switch, wherein the low-side switch is coupled to the high-side bridge, wherein the high-side switch includes two transistors coupled in series, and wherein the low-side switch includes two transistors coupled in series; and a circuit to generate an average current using sensed current from the first and second current sensors, wherein the high-side and low-side switches are part of a voltage regulator; and a wireless interface for allowing the processor to communicate with another device. - View Dependent Claims (18, 19, 20)
-
-
21. An apparatus comprising:
-
a plurality of bridges at least one of which is to be coupled to at least one inductor from a plurality of inductors; and a plurality of current sensors at least one of which is coupled to the at least one bridge to sense current through a transistor of the at least one bridge, wherein the at least one bridge includes a high-side switch, and wherein the high-side switch includes two transistors coupled in series. - View Dependent Claims (22, 23, 24)
-
Specification