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TPS2640: Circuit breaker threshold I(CB)

Part Number: TPS2640


Hi team,

Could you give me comment on following customer question? 

Q. Why is there difference between I(CB) in the electrical characteristic table and derived result of the eq. (4)?

When using R=120k, R=5.36k with the eq. (4), the result is derived as 0.130A, 2.27A, respectively. Those values are different from the electrical characteristics table that shows typical 0.073A, 2.21A respectively. Could you give me advice on how to set the circuit breaker threshold?

Best regards,

Takeshi Sasaki