replacement

Hello! I have a small home-use electronic device and the power supply cord has been damaged and no longer properly fits into the device. (the device works; the cord is just damaged) I want to avoid contacting the company and dealing with their customer support; I'm hoping someone here can give...

I'm working on a project in NI Multisim i simply cannot find two Balance ICs: HY2210 and HY2213 or their replacements or some circuit or SPICE models. I've searched ewerywhere I could think of and no sings of such. Please, help me.