TPS2121: TPS2121 support multiple input

Tool/software:

Hi Team, 

My customer is looking for 3 input power mux, we suggest TPS2121 but But TPS2121  power mux just 2 : 1 switch and can’t turn off. 

any suggestion we can support 3 input power mux?

The input power range are 

+/-2V@1.8A,

+/-4V@900mA,

+/-8V@450mA,

Thanks & Regards

Eddie