US 12,407,344 B2
Transistor short circuit protection
Cetin Kaya, Plano, TX (US); Nathan Richard Schemm, Rowlett, TX (US); and Yong Xie, Plano, TX (US)
Assigned to TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US)
Filed by TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US)
Filed on Apr. 25, 2024, as Appl. No. 18/645,774.
Application 18/645,774 is a continuation of application No. 17/348,521, filed on Jun. 15, 2021, granted, now 12,003,229.
Prior Publication US 2024/0275374 A1, Aug. 15, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H02H 7/00 (2006.01); G01K 7/02 (2021.01); G01R 1/20 (2006.01); G01R 19/165 (2006.01); G05F 1/46 (2006.01); H03K 5/24 (2006.01); H03K 17/082 (2006.01)
CPC H03K 17/0822 (2013.01) [G01K 7/02 (2013.01); G01R 1/203 (2013.01); G01R 19/16538 (2013.01); G05F 1/461 (2013.01); H03K 5/24 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A circuit comprising:
a first input terminal;
a second input terminal;
a transistor having a control terminal coupled to the second input terminal, a first current terminal coupled to the first input terminal, and a second current terminal;
a first amplifier having a first input terminal coupled to the second current terminal of the transistor, and an output;
a first current source having a control terminal coupled to the output of the first amplifier, and an output terminal; and
a second amplifier having a first input terminal coupled to the output terminal of the first current source, a second input terminal, and an output terminal.