Other Parts Discussed in Thread: BQ25713
Hello,
I hope it was possible to gain more insight on the highlighted circuit in the bq25713 EVM. Can TI provide the vulnerabilities a system would have if this circuit was not included in a design?
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Hi Kevin,
That part of the design is to prevent inrush current and can be broken down into 2 parts.
1.
This is the soft start part.
2.
This part enables the soft start based on the CHRG_OK signal. Otherwise, the FETs would never turn on.
I would recommend running a SPICE simulation first with the first part, then slowly incorporate the second part. This part of the design is not necessary for the charger itself to work.
Thanks and I hope this helps,
Peng
*Please press "This Resolved My Issue" on the thread if my answer is satisfactory