17457840. RIPPLE CANCELLATION FOR SWITCHED-CAPACITOR CIRCUIT simplified abstract (QUALCOMM Incorporated)

From WikiPatents
Jump to navigation Jump to search

RIPPLE CANCELLATION FOR SWITCHED-CAPACITOR CIRCUIT

Organization Name

QUALCOMM Incorporated

Inventor(s)

Xingyi Hua of San Diego CA (US)

RIPPLE CANCELLATION FOR SWITCHED-CAPACITOR CIRCUIT - A simplified explanation of the abstract

This abstract first appeared for US patent application 17457840 titled 'RIPPLE CANCELLATION FOR SWITCHED-CAPACITOR CIRCUIT

Simplified Explanation

The patent application describes a system that includes a voltage line, a switched-capacitor circuit, and a ripple-cancellation circuit. The ripple-cancellation circuit consists of a current mirror, a switching circuit, and a capacitor.

  • The system includes a voltage line, a switched-capacitor circuit, and a ripple-cancellation circuit.
  • The ripple-cancellation circuit includes a current mirror with two branches, where the second branch is connected to the voltage line.
  • The circuit also includes a switching circuit with three terminals, where the first terminal is connected to the first branch of the current mirror and the third terminal is connected to ground or a reference voltage.
  • Additionally, a capacitor is connected to the second terminal of the switching circuit.

Potential applications of this technology:

  • Power supply systems
  • Voltage regulation circuits
  • Electronic devices with high-frequency noise reduction requirements

Problems solved by this technology:

  • Reduction of ripple voltage in power supply systems
  • Minimization of high-frequency noise in voltage regulation circuits

Benefits of this technology:

  • Improved performance and stability of power supply systems
  • Enhanced noise reduction capabilities in voltage regulation circuits


Original Abstract Submitted

In certain aspects, a system includes a voltage line, a switched-capacitor circuit coupled to the voltage line, and a ripple-cancellation circuit. The ripple-cancellation circuit includes a current mirror having a first branch and a second branch, wherein the second branch of the current mirror is coupled to the voltage line, a switching circuit having a first terminal, a second terminal, and a third terminal, wherein the first terminal of the switching circuit is coupled to the first branch of the current mirror, and the third terminal is coupled to a ground or a reference voltage, and a first capacitor coupled to the second terminal of the switching circuit.