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TPS61196: 32" eDP panel

Kai Hsiao
Guru 12675 points
Part Number: TPS61196

Hi Sir 

Our spec is 8 string / 120mA per string  / 46.8Vout

May I know the best solution is TPS61196 or you have another suggestion 

if have to use 2 pcs of TPS61196 to do , how to do for unused pin 

  • 0
    TI__Mastermind 22745 points

    Hi Kai,

         Yes, for such high current application, TPS61196 is a good solution. You can refer to datasheet Figure 22 for Multi-Chip solution.

         If the application requires less than six LED strings, the TPS61196 simply requires connecting the unused IFB pin to ground through a resistor between 20 kΩ and 36 kΩ. Once the TPS61196 is turned on, the TPS61196 uses a 60-μA current source to detect the IFB pin voltage. If the IFB voltage is between 1 V and 2.5 V, the device immediately disables this string during start-up.

    Regards

    Sean