TPS61199: ISET Details

Go Bravos

Part Number: TPS61199

Team,

Is there a minimum amount of current allowed to be sourced to the ISET pin for instance will the IC act funny if driven at 2mA?
Could you provide current source and sink data/ratings for pins PWM and ISET

Thank you.

0 Yuting Shao over 4 years ago

Hi,

ILED=1.229*1990/R (in kOhm), ILED max. is 70mA per string.

Fsw=80000/ R (in kOhm), Fsw is between 300kHz and 800kHz.

You can select the proper resister according to above formula for your design. There is no current source/sink date for your reference.

BR,

Rbin

0 Go Bravos over 4 years ago in reply to Yuting Shao

Thank you.

I just want to be clear that is there a minimum driver output current you should not program lower than?

0 Yuting Shao over 4 years ago in reply to Go Bravos

Hi,

There is no problem if you design the circuit according to above requirements.

BR,

Robin

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