US 12,191,764 B2
Charge pump circuit and drive device
Mitsumasa Sonoda, Kanagawa (JP)
Assigned to KABUSHIKI KAISHA TOSHIBA, Tokyo (JP); and TOSHIBA DEVICES & STORAGE CORPORATION, Tokyo (JP)
Filed by KABUSHIKI KAISHA TOSHIBA, Tokyo (JP); and Toshiba Electronic Devices & Storage Corporation, Tokyo (JP)
Filed on Feb. 3, 2023, as Appl. No. 18/163,892.
Claims priority of application No. 2022-147957 (JP), filed on Sep. 16, 2022.
Prior Publication US 2024/0097564 A1, Mar. 21, 2024
Int. Cl. H03K 17/0812 (2006.01); H02M 3/07 (2006.01); H02M 1/088 (2006.01); H03K 19/20 (2006.01)
CPC H02M 3/07 (2013.01) [H02M 1/088 (2013.01); H03K 19/20 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A charge pump circuit comprising:
a first capacitor including a first end to which a first voltage is supplied;
a second capacitor including a first end to which a first pulse signal is supplied, and a second end coupled to a first node;
a third capacitor including a first end to which the first pulse signal is supplied;
a first transistor including a first end coupled to a second end of the first capacitor, and a second end coupled to the first node;
a second transistor including a first end coupled to the first end of the first capacitor, and a second end coupled to the first node; and
a first circuit including a first input terminal coupled to the first node, a second input terminal coupled to a second end of the third capacitor, a first output terminal coupled to a gate of the first transistor, and a second output terminal coupled to a gate of the second transistor.