System, drivers for switches and methods for synchronizing measurements of analog-to-digital converters

摘要

A driver for a switch includes a primary side having a trigger input and a secondary side comprising an analog-to-digital converter (ADC). The primary side and the secondary side are separated by a galvanic isolation barrier and communicate via a communication circuit. The primary side is configured to receive a trigger signal at the trigger input and forward the trigger signal to the ADC of the secondary side of the driver via the communication circuit. The ADC is configured to start a measurement upon receiving the trigger signal.

主权项

1. A driver for a switch, the driver comprising:
a primary side having a trigger input and a pulse width modulation (PWM) signal input; a secondary side comprising an analog-to-digital converter (ADC), wherein the primary side and the secondary side are configured to be separated by a galvanic isolation barrier; a first communication channel and a second communication channel, wherein the primary side and the secondary side communicate over the galvanic isolation barrier via the first and the second communication channels; wherein the primary side is configured to receive a trigger signal at the trigger input and forward the trigger signal to the ADC of the secondary side of the driver via the first communication channel; wherein the primary side is configured to receive a PWM signal at the PWM signal input and forward the PWM signal to the ADC of the secondary side of the driver via the second communication channel; wherein the secondary side comprises a multiplexer configured to output a delayed signal of the PWM signal or the trigger signal to the ADC; and wherein the ADC is configured to start a measurement upon receiving the trigger signal.