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How to check BGA minimum pitch using Allegro Skill language

BZ202408076026

I want to check BGA minimum pitch. If BGA pitch is less than 0.5mm, need to highlight these BGA in PCB layout. Does anyone have experience to write script to do the check?

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  • Hoangkhoipcb
    0
    Hi BZ202408076026,

    I hope this will be helpful 
    axlCmdRegister("min_pitch_bga" 'min_pitch_bga )
    defun( min_pitch_bga ()
        let((tmp_list)
            pins = car(setof(e axlDBGetDesign()->symbols e->refdes =="BGA"))->pins
            if(length(pins) > 0 then
                foreach(pin pins
                    tmp = nil
                    foreach(item setof(e pins e != pin) push(list( axlDistance(pin->xy item->xy) item) tmp))
                    push(append1( car(sortcar(tmp 'lessp)) pin) tmp_list)
                )
                tmp_list = sortcar(tmp_list 'lessp)
                printf("Min pitch: %.3f\n " caar(tmp_list))
                axlHighlightObject(cdr(car(tmp_list)))
            )
        )
    )
    BR

    HoangKhoi
Reply
  • Hoangkhoipcb
    0
    Hi BZ202408076026,

    I hope this will be helpful 
    axlCmdRegister("min_pitch_bga" 'min_pitch_bga )
    defun( min_pitch_bga ()
        let((tmp_list)
            pins = car(setof(e axlDBGetDesign()->symbols e->refdes =="BGA"))->pins
            if(length(pins) > 0 then
                foreach(pin pins
                    tmp = nil
                    foreach(item setof(e pins e != pin) push(list( axlDistance(pin->xy item->xy) item) tmp))
                    push(append1( car(sortcar(tmp 'lessp)) pin) tmp_list)
                )
                tmp_list = sortcar(tmp_list 'lessp)
                printf("Min pitch: %.3f\n " caar(tmp_list))
                axlHighlightObject(cdr(car(tmp_list)))
            )
        )
    )
    BR

    HoangKhoi
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