Power CW Laser Diode Driver

The power CW laser diode driver iC-HTG provides Automatic Current (ACC) and Power (APC) Control functionality operating an external scalable driver. For APC, the programmable logarithmic monitor resistor ranges from 100 Ω to 500 kΩ at a step width <4%. The logarithmic D/A converter sets the operating point better than 1%. Overcurrent, overtemperature or standby will disable the laser. An external DC/DC converter can be controlled to optimize the total power dissipation.

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Features

  • CW operation with external driver transistor
  • ACC mode configurable with shunt
  • APC mode configurable with monitor diode

Applications

  • Commercial VCSEL/LED/Laser diode modules
  • Safety related CW laser diode drivers
  • Structured-light 3D illumination


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