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TPS536C7: Need 8+0 configuration

Mark Guastaferro
Genius 11645 points
Part Number: TPS536C7

Customer currently has the TPS536C7 configured for 8+2 phase configuration.  They are thinking of removing the B phases and operating in a 8+0 configuration.

Is the only way to configure this is with the PIN_DETECT_ OVERRIDE command and use the PHASE_CONFIGURE command?  Customer is trying to avoid more programming. 

Could they keep the 8+2 configuration but not enable phase B by keeping BVR_EN pin low? Or use the 11+0 default and not connect three power stages? 

  • 0
    TI__Genius 15187 points

    Hi Mark,

    Are you saying the customer has configuration for 8+2, but they want to implement it for an 8+0 design?

    They could use the 8+2 configuration, but not connect the second rail and have the BVR_EN pin low, BTSEN floating, BVSP/N to GND.

    I believe the pin_detect_override command and use phase_configure through the fusion GUI is the easier method. 

    Best,
    Ryan

  • 0 in reply to Ryan Chen
    TI__Genius 11645 points

    Hi Ryan,

    Yes the customer currently has the configuration set for 8+2 but are thinking of changing to 8+0. The second rail would be provided by a different discrete controller (TI).  This is to ease some layout challenges.