US 12,218,582 B2
Charge mode control for power factor correction circuit
Bosheng Sun, Allen, TX (US)
Assigned to TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US)
Filed by TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US)
Filed on Jun. 8, 2023, as Appl. No. 18/207,177.
Application 18/207,177 is a continuation of application No. 17/490,104, filed on Sep. 30, 2021, granted, now 11,705,808.
Claims priority of provisional application 63/183,990, filed on May 4, 2021.
Prior Publication US 2023/0353044 A1, Nov. 2, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H02M 1/42 (2007.01); G01R 19/02 (2006.01); H02M 7/217 (2006.01); H02M 3/156 (2006.01)
CPC H02M 1/4225 (2013.01) [G01R 19/02 (2013.01); H02M 7/2176 (2013.01); H02M 1/42 (2013.01); H02M 3/156 (2013.01); H02M 7/217 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An apparatus comprising:
an arithmetic circuit including a first input, a second input, a third input, and an output;
an adder circuit including a first input, a second input, and an output, the first input of the adder circuit is coupled to the output of the arithmetic circuit, and the second input of the adder circuit is configured to receive a first voltage;
a root mean square (RMS) calculation circuit including:
an output coupled to the second input of the arithmetic circuit; and
an input configured to receive a second voltage; and
an input voltage square calculation circuit including:
an output coupled to the third input of the arithmetic circuit; and
an input configured to receive the second voltage.