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LM5170EVM-BIDIR: Questions about 'pins'

user5282480
Prodigy 60 points
Part Number: LM5170EVM-BIDIR

Hi

First Question. The LM5170EVM-BIDIR has several pins for jumper insertion or power supply.

When voltage is applied to these pins, how should the + - terminal be connected?

For example, when applying voltage to J17 # 9 (DIR), there are two pins.

Do you connect + and - to each of these two pins to supply the voltage?

Second Question

Each pin in the illustration has a white portion and a gray portion.
 
In addition, the user's manual indicates 1, 2 or 2 or 3 when configuring jumpers.

Where is it once?

Is it the first gray part?

I would appreciate your reply.

  • 0
    TI__Guru* 78200 points
    Yes, you need to supply both the (+) and (-) of your signal to the pair of pins showing on your first picture. The left is GND and the right is the signal (+) pin.

    The gray pin is pin-1. There is also a silk screen dot to identify pin-1 on PCB.

    Hope these help.