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BQ500412 Pin 41 Function?

Bent Petterson
Prodigy 30 points
Other Parts Discussed in Thread: BQ500412

The BQ500412 datasheet (SLUSB02A December 2013) names pin 41 as 'RESERVED'.

The reference design schematic (SLUC522 December 2013) names pin 41 as 'V33FB'. Which is correct?

Also same reference schematic states the controller P/N as BQ500412A, but no such device on TI's website. Please clarify.

Thanks, Bent

  • 0
    TI__Guru* 75656 points
    Pin 41 should not be connected, as indicated in the data sheet "leave this pin open". This is an un-used function on the device.
    BQ500412 vs BQ500412A, there is only one device the non-A. Originally it was planned that this would be an "A" device to indicate WPC 1.1 compliance but this was dropped, all device by this point were compliant to the standard.