At the beginning, the output signal was abnormal and gradually heated, which would cause a hot hand problem (about 50 ℃). It gradually broke down during the work process. A high-power power supply was used, and the internal interference was great, reaching 500-600A. The customer had questions about the impact when the load of TLV5604 reached? There is no problem in using DC voltage, and problems will occur during the overall operation of the equipment.