Patent ID: 11888447
Assignee: TEXAS INSTRUMENTS INCORPORATED
Field: Basic communication processes (Electrical engineering)
Classification: CPC H | IPC H

Claim 18:
19. The system of claim 18, wherein the current limit circuit includes:
a first current source;
a second current source; and
the indirect current feedback circuit includes:
a first resistor with a first side and a second side;
a second resistor with a first side and a second side;
a third resistor with a first side and a second side;
a first transistor having a first current terminal, a second current terminal and a first control terminal, the first current terminal coupled to the second side of the first resistor, the second current terminal coupled to the second and third transconductance stage outputs;
a second transistor having a third current terminal, a fourth current terminal and a second control terminal, the third current terminal coupled to the second current source, the fourth current terminal coupled to the first and fourth transconductance stage outputs, and the second control terminal the coupled to the first control terminal, the first side of the first resistor and the first current source;
a third transistor with a fifth current terminal, a sixth current terminal and a third control terminal, the fifth current terminal coupled to the second current terminal, the sixth current terminal coupled to the first side of the second resistor, and the third control terminal coupled to the second side of the first resistor; and
a fourth transistor with a seventh current terminal, an eighth current terminal and a fourth control terminal, the seventh current terminal coupled to the fourth current terminal, the eighth current terminal coupled to the first side of the third resistor, and the fourth control terminal coupled to the third control terminal.