Abstract: An integrated circuit detection method, apparatus, and system are disclosed, which relate to the field of electronics and resolve a problem of detecting an electrical parameter of an integrated circuit on a printed circuit board in a power-on state. A specific solution is as follows: N detection circuits (101) are disposed, where each detection circuit (101) is connected to a different integrated circuit (102), the detection circuit (101) is provided with a first detection point (a) and a second detection point (b), and the detection circuit (101) is configured to detect the electrical parameter of the integrated circuit (102) that is connected to the detection circuit (101); and N is an integer greater than or equal to 1. The solution is used in a process of detecting the electrical parameter of the integrated circuit on the printed circuit board.

Abstract: An integrated circuit detection method, apparatus, and system are disclosed, which relate to the field of electronics and resolve a problem of detecting an electrical parameter of an integrated circuit on a printed circuit board in a power-on state. A specific solution is as follows: N detection circuits (101) are disposed, where each detection circuit (101) is connected to a different integrated circuit (102), the detection circuit (101) is provided with a first detection point (a) and a second detection point (b), and the detection circuit (101) is configured to detect the electrical parameter of the integrated circuit (102) that is connected to the detection circuit (101); and N is an integer greater than or equal to 1. The solution is used in a process of detecting the electrical parameter of the integrated circuit on the printed circuit board.

Abstract: A leakage current detection method and apparatus are provided. The method is applied to leakage current detection for a board-mounted component on a printed circuit board assembly (PCBA) board, and includes: providing a fixed voltage for a leakage current input end of a board-mounted component under detection, and connecting a leakage current output end to an inverting input end of an operational amplifier of a resistance testing module, where the resistance testing module includes the operational amplifier and a reference resistor that is connected between the inverting input end of the operational amplifier and the voltage output of the operational amplifier; detecting an output voltage of the resistance testing module; and calculating, based on Ohm's law and according to the output voltage and the reference resistor, a leakage current flowing through the board-mounted component under detection.

Abstract: A leakage current detection method and apparatus are provided. The method is applied to leakage current detection for a board-mounted component on a printed circuit board assembly (PCBA) board, and includes: providing a fixed voltage for a leakage current input end of a board-mounted component under detection, and connecting a leakage current output end to an inverting input end of an operational amplifier of a resistance testing module, where the resistance testing module includes the operational amplifier and a reference resistor that is connected between the inverting input end of the operational amplifier and the leakage current output end; detecting an output voltage of the resistance testing module; and calculating, based on Ohm's law and according to the output voltage and the reference resistor, a leakage current flowing through the board-mounted component under detection.