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Original question:

BQ25606: Charge current and NTC protection question

BQ25606: BQ25606 RT1 & RT2 different calculation formulas problem

Taurus Huang
Prodigy 10 points
Part Number: BQ25606
Other Parts Discussed in Thread: BQ25616

Hi Sir/Ms.

I have 2 version BQ25606 specification.  Sir/Ms.

I have 2 version BQ25606 specification. About RT1 & RT2 calculation have two formulas. I don't know what's right.

Related instructions are as follows:

Best Regard,

Taurus

  • 0
    TI__Expert 5590 points

    Hi, in BQ25616 datasheet, we updated the datasheet with percentage of REGN. Previous VREGN/VT1 becomes 1/(VT1/VREGN)=1/VT1%, where VT1% can be looked up from the EC table in the datasheet directly. As matter of fact, the equation is independent of VREGN so the new equations is more straight-forward. But those equations have different form of expression only. 

    Regards,

    Hong