Power supply testing device

• Main Authors: LU KEYIN, HAN LI, LUO YAN
• Format: Patent
• Language: Chinese; English
• Published: 12.05.2020
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; GENERATION; MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The power supply testing device which comprises a control chip, the model of the control chip is UCC28700, and a GND pin of the control chip is grounded; the device further comprises a starting circuit which is electrically connected with a VDD pin of the control chip; a current sampling circuit which is electrically connected with a DRV pin and a CS pin of the control chip; a voltage sampling circuit which is electrically connected with a VS pin of the control chip; and a fuser F1, wherein one end of the fuse F1 is electrically connected with a signal input end, and the other end of the fuseF1 is electrically connected with the voltage sampling circuit. Compared with the prior art, the device has the advantages that the fuse is connected to an input end of the UCC28700 in series, when the current of the input end is too large, an input power source is directly disconnected, it can be guaranteed that the circuit is not burnt out, and the safety of testing personnel can also be guaranteed. 本发明电源测试装置，包括：控制芯片，所述