Disconnection point detection method for single-wire series circuits, single-wire series circuit, and driver architecture

Abstract

The present application provides a disconnection point detection method for single-wire series circuits, a single-wire series circuit, and a driver architecture. The method utilizes the existing parallel bus structure of the single-wire series circuit to detect disconnection points. Specifically, the position of the final short-circuit disconnection point is determined using the first correction command and the second address-assignment information, while the position of the final open-circuit disconnection point is determined using the second and third correction commands along with the third address-assignment information. The present application eliminates the need to add additional backup pins to each driver unit, thereby reducing the packaging cost of the single-wire series circuit and significantly lowering the packaging cost of the driver architecture. Furthermore, since the single-wire series circuit does not require routing for extra backup pins, the wiring complexity of the driver architecture is greatly simplified, leading to a reduction in PCB costs.