Looking for part identification

Hi All,

Looking for identification of a six pin IC that is marked BLV and AB on it. The measurements are 2.1mm long way, 1.1mm wide (not including the legs at all) and 1mm total height.

I have attached a poor picture of it as I was having a hard time getting a good picture but it shows the markings at least.

Thanks.

Hello,

I looked quite well in our system without making a match. Hopefully we have another team member that can chime in with some information.

Thank you
Ryan

Hi, ATSolutions.
My version of the answer to your question:
SI1469DH-T1-E3

Hi Adam, I didn’t see this reply right away, but you are pretty convinced that it is the right part?

Per the datasheet, here is the part marking format for SI1469DH-T1-E3

Hi ATSolutions,

There’s no way to guarantee that the SI1469DH-T1-E3 is the correct part, though the markings seem pretty close to what’s shown in the datasheet from @Kristof_2649’s post and the image that @Adam7 provided.

An additional means of helping to verify would be to take note the pinout of the SI1469DH.

Make note that pins 1, 2, 5, and 6 are all shorted together. If your part or an identical part from another board is functional, you could test for that. If you don’t have access to a healthy part, perhaps you could check the board and see if those same pin pads are shorted together.

Also, the Gate, pin 3 would typically be connected directly or indirectly via a resistor to an output pin from some sort of controller IC.

And finally, since the SI1469DH is a P-channel MOSFET, the Source, pin 4, would be at a higher potential (voltage) on the board than the Drain. Commonly, the Source would be connected to a voltage supply rail and a load would be connected on the Drain side in a “high-side switch” configuration.