Patent ID: 11914412
Assignee: TEXAS INSTRUMENTS INCORPORATED
Field: Control (Instruments)
Classification: CPC G  H | IPC G  H

Claim 14:
15. The method of claim 13, wherein providing the second reference current includes:
coupling a first terminal of the diode-connected PFET to the power input terminal;
coupling a first terminal of the second bipolar transistor to the diode-connected PFET;
coupling a second terminal of the second bipolar transistor to the second resistor; and
coupling a third terminal of the second bipolar transistor to an amplifier, in which the amplifier includes an output terminal and first and second input terminals, the first input terminal of the amplifier is coupled to the first and third resistors, the second input terminal of the amplifier is coupled to the second and fourth resistors and to the third terminal of the second bipolar transistor, and the output terminal of the amplifier is coupled to a second current mirror circuit.