US 12,231,048 B2
Apparatus and method for controlling transient boost circuit of voltage regulator through feedback signals obtained by differential sensing applied to output capacitor
Jin-Yan Syu, Hsinchu (TW); Kuan-Yu Fang, Hsinchu (TW); and Chih-Chen Li, Hsinchu (TW)
Assigned to MEDIATEK INC., Hsinchu (TW)
Filed by MEDIATEK INC., Hsin-Chu (TW)
Filed on Nov. 15, 2022, as Appl. No. 17/987,811.
Claims priority of provisional application 63/298,247, filed on Jan. 11, 2022.
Prior Publication US 2023/0223851 A1, Jul. 13, 2023
Int. Cl. H02M 3/158 (2006.01)
CPC H02M 3/1586 (2021.05) 17 Claims
OG exemplary drawing
 
1. A transient boost controller for controlling a transient boost circuit of a voltage regulator, comprising:
a feedback circuit, arranged to obtain a first feedback signal and a second feedback signal sensed from an output capacitor of the voltage regulator, wherein the first feedback signal is derived from a voltage signal at a first plate of the output capacitor, and the second feedback signal is derived from a voltage signal at a second plate of the output capacitor; and
a processing circuit, arranged to generate a detection result according to the first feedback signal and the second feedback signal, and output the detection result for controlling the transient boost circuit of the voltage regulator.