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PD发热严重，主芯片用的是TPS23753A. 带不带负载发热现象都很严重，变压器的温度能到80多摄氏度。请问有人知道这个是什么原因吗？谢谢指导！
请提供几个参数：工作频率，变压器感量，变压器型号
请问你说的PD发热是IC发热还是变压器发热，还是两者都很热。
请查看驱动信号
