Integrated circuit for detection and method for detecting load current

• Main Authors: WU CHANGXIAN, SANDHU BAL S
• Format: Patent
• Language: Chinese; English
• Published: 13.08.2021
• Subjects: DEAF-AID SETS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; PUBLIC ADDRESS SYSTEMS; TESTING

The invention provides an integrated circuit for detection and a method for detecting a load current. The integrated circuit includes a current detection circuit configured for coupling to an output terminal of a voltage regulator, the output terminal providing a total current that is divided into a load current to a load device and a feedback current for providing a feedback signal to the voltage regulator. The current detection circuit includes a current sampling circuit and a current comparator circuit. The current sampling circuit provides a first current that is proportional to the total current, a second current that is proportional to the feedback current, and a third current that is proportional to the load current. The current comparator circuit is configured to compare the third current with a threshold current, and output a detection signal that indicates whether the third current matches the threshold current, thereby indicating a target load device is detected. 本发明提供了一种用于检测的集成电路及用于检测负载电流的方法，该集成电路