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TPS40425: Does AVSbus functions in TPS40425?

Part Number: TPS40425
Other Parts Discussed in Thread: TPS53676

Hi team,

I'm looking for a buck converter/controller with AVS bus functionality to suggest it to customer. I check that TPS40425 supports AVS bus, but it looks it's not compatible to AVSBus spec in PMBus 1.3.1. So is it not a proper device to be suggested? Then could you provide more relevant devices if any? Thanks,

  • Hello, the TPS40425 high-speed AVS interface was a pre-cursor to the standardized AVSBus interface from SMIF/PMBus . It is not fully compatible. 

    TI is planning to release a fully compatible controller at the end of this year, TPS53676. Since it is still not released, I cannot share details online. Please request it by emailing vr [at] list [dot] ti [dot] com (NDA will be required for Pre-RTM datasheets).