TPS1H100-Q1: Kcl Variation

Ryuji

Guru 20090 points

Part Number: TPS1H100-Q1

Hello,

Could you please let me know the Kcl variation?

I would like to caliculate min/max value of current limit. I found that Vcl,th variation information from the following post but there is no Kcl infromation.
http://e2e.ti.com/support/power_management/switches/f/949/t/563384

Best Regards,
Ryuji

over 8 years ago

0 Aleksandras_Kaknevicius over 8 years ago

TI__Genius 15780 points

Hi Ryuji,

This Kcl variation is taken into account and reflected in the external current limit accuracy spec. It is +/-14% at a load of 1.6A and +/-20% at a load of 500mA.

Thanks,

Alek Kaknevicius

0 Ryuji over 8 years ago in reply to Aleksandras_Kaknevicius

Guru 20090 points

Hello Alek san,

Thank you.
Thus we should consider +/-2% of VCL,th accuracy and +/-14% or 20% accuracy of KCL accuracy(and external resister) for current limit calculation.
I attached the calculation. Is my understanding correct?

TPS1H100-Q1_Calculation.xlsx

Best Regards,
Ryuji

0 Aleksandras_Kaknevicius over 8 years ago in reply to Ryuji

TI__Genius 15780 points

Hi Ryuji,

Those calculations make sense to me. Is this performance acceptable for the application?

Thanks,

Alek Kaknevicius

0 Ryuji over 8 years ago in reply to Aleksandras_Kaknevicius

Guru 20090 points

Hello Alek san,

Thank you for your checking.
This current limit performance is acceptable for the customer.

Best Regards,
Ryuji

Power management

Power management forum

TPS1H100-Q1: Kcl Variation