US 12,068,597 B2
Power clamp device
Pin-Hsin Chang, Taichung (TW); Hsin-Yu Chen, Hsinchu (TW); and Tzu-Heng Chang, New Taipei (TW)
Assigned to TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD., Hsinchu (TW)
Filed by TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD., Hsinchu (TW)
Filed on Jul. 3, 2022, as Appl. No. 17/810,602.
Prior Publication US 2024/0006877 A1, Jan. 4, 2024
Int. Cl. H02H 9/00 (2006.01); H03K 5/13 (2014.01); H03K 5/00 (2006.01)
CPC H02H 9/005 (2013.01) [H03K 5/13 (2013.01); H03K 2005/00195 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A power clamp device, comprising:
a delay element having an input terminal and an output terminal;
a first transistor having a gate electrically connected to the output terminal of the delay element;
a second transistor having a source electrically connected to a drain of the first transistor; and
a gate control circuit having a first terminal electrically connected to the input terminal of the delay element, a second terminal electrically connected to the output terminal of the delay element, and a third terminal electrically connected to a gate of the second transistor.