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BQ21040: MLP Package?

Chuchen Wang
Expert 3470 points
Part Number: BQ21040
Other Parts Discussed in Thread: BQ24040

Hi,

Datasheet on p.22 describes MLP package with thermal pad, which is main GND connection.  But p.29,30  – package and land pattern drawings do not show any thermal pad.  Also I do not see any package options online with thermal pad, it’s just plain SOT23-6 package.  Can you provide some insight into this?

Thanks,

Chuchen

  • 0
    TI__Guru* 75636 points
    Hi Chuchen
    The bq21040 does not have a thermal pad it is a SOT23-6 and page 29 / page 30 are correct.
    The Text in Layout Guidelines Section 11.1 appear to be reused from a similar device probably the bq24040 but reference to the thermal pad was not removed.
    This will be noted and updated on the next data sheet revision.