Patent ID: 11936229
Assignee: TEXAS INSTRUMENTS INCORPORATED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 23:
24. The system of claim 23, wherein:
the first circuit includes a first voltage comparator having a first voltage comparator output, a first voltage comparator non-inverting input, and a first voltage comparator inverting input, wherein the first voltage comparator non-inverting input is coupled to the D+ data pin, the first voltage comparator inverting input is coupled to a voltage source of 0.25-0.4V, and the first voltage comparator output is coupled to the first control circuit input;
the second circuit includes a second voltage comparator having a second voltage comparator output, a second voltage comparator non-inverting input, and a second voltage comparator inverting input, wherein the second voltage comparator non-inverting input is coupled to the D+ data pin, the second voltage comparator inverting input is coupled to a voltage source of 0.8-2.0V, and the second voltage comparator output is coupled to the second control circuit input; and
the third circuit includes a third voltage comparator having a third voltage comparator output, a third voltage comparator non-inverting input, and a third voltage comparator inverting input, wherein the third voltage comparator non-inverting input is coupled to the D+ data pin, the third voltage comparator inverting input is coupled to a voltage source of 2.25-2.39V, and the third voltage comparator output is coupled to the control circuit third input.