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saran
Level 1
Level 1
5 sign-ins First reply posted First question asked

I am using BTN8982TA IC. In that IC, i am getting voltage as 1.93 in IS pin, and i am using Rs  as 3.6K.

How to calculate IL load current by using these values?

How to find the dkilis value?

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1 Solution
Abhilash_P
Moderator
Moderator
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50 likes received 500 replies posted 250 solutions authored

Hi,

   We can calculate il and dkilis as follows,

 

ils = Vis/Ris  = 1.93/3.6x10^3 = 0.5361 x 10^-3 = 0.5361mA.

 

dkilis = 1/ils = 1865.3236

 

Load current = il = dkilis * ( ils - isoffset)

   = 0.6828 A

 

 

Regards,

Abhilash P

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3 Replies
Abhilash_P
Moderator
Moderator
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50 likes received 500 replies posted 250 solutions authored

Hi,

   We can calculate il and dkilis as follows,

 

ils = Vis/Ris  = 1.93/3.6x10^3 = 0.5361 x 10^-3 = 0.5361mA.

 

dkilis = 1/ils = 1865.3236

 

Load current = il = dkilis * ( ils - isoffset)

   = 0.6828 A

 

 

Regards,

Abhilash P

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HI Abilash,

               Thanks for your reply.. 

              what's the value of is-offset?.. So that we can calculate the load current.

 

Thanksyou.

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Abhilash_P
Moderator
Moderator
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50 likes received 500 replies posted 250 solutions authored

Hi,

 

   Ioffset is 170uA. 

Please refer the datasheet.

 

Regards,

Abhilash P

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