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CSD16301Q2: LED Driver

Part Number: CSD16301Q2
Other Parts Discussed in Thread: SN74LVC1G04

Hello,

I uesd the CSD16301 to driver LED,but the drive current is too small.Any suggestion?

Product:3D TOF

  • Hi Vickers,

    Thanks for your interest in TI FETs. How much current do you need to drive the VCSEL with? From my experience, these devices want very sharp edge rates for fast turn on and turn off. You can try to reduce the value of the gate resistor, R13, to speed up the FET turn on and turn off. You may also need to use a stronger driver than the SN74LVC1G04 with more output current capability. Do you have any waveforms that you can share?