Patent ID: 11940826
Assignee: TEXAS INSTRUMENTS INCORPORATED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 8:
9. A circuit comprising:
a DC-DC converter;
a detect circuit coupled to the DC-DC converter, the detect circuit comprising:
an input coupled to the DC-DC converter;
an enable input;
a first resistor having a first terminal and a second terminal;
a current source;
a first transistor including:
a first control terminal coupled to the enable input;
a first current terminal coupled to the input; and
a second current terminal coupled to the first terminal of the first resistor; and

a second transistor including:
a second control terminal coupled to the first terminal of the first resistor;
a third current terminal coupled to the current source; and
a fourth current terminal coupled to the second terminal of the first resistor and to ground, wherein the first transistor further includes a first body terminal coupled to ground; and the second transistor further includes a second body terminal coupled to ground.