US 12,267,055 B2
Isolator circuit
Kumar Anurag Shrivastava, Bangalore (IN)
Assigned to Texas Instruments Incorporated, Dallas, TX (US)
Filed by TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US)
Filed on Mar. 7, 2023, as Appl. No. 18/179,482.
Prior Publication US 2024/0305274 A1, Sep. 12, 2024
Int. Cl. H03H 11/02 (2006.01); H03K 5/01 (2006.01); H03K 19/21 (2006.01); H03K 5/00 (2006.01)
CPC H03H 11/02 (2013.01) [H03K 5/01 (2013.01); H03K 19/21 (2013.01); H03K 2005/00013 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An apparatus, comprising:
an isolating transformer having a first coil, the first coil having first and second terminals;
a first resistor having first and second terminals, the first terminal of the first resistor coupled to the first terminal of the first coil;
a second resistor having first and second terminals, the first terminal of the second resistor coupled to the second terminal of the first coil;
a first switch having a control terminal, having a first terminal coupled to the second terminal of the first resistor, and having a second terminal coupled to a ground terminal;
a second switch having a control terminal, having a first terminal coupled to the second terminal of the second resistor, and having a second terminal coupled to the ground terminal; and
a control circuit coupled to the first terminal of the first coil and coupled to the control terminals of the first and second switches.