iC-HG30 QFN28-5x5

6 A Laser Switch

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Article description

Product description

Six channel laser switch iC-HG30 enables the spike-free switching of laser diodes with well-defined current pulses at frequencies ranging from DC to 250 MHz.
Outputs (LDKx) are 30 V capable for stacked laser diodes.
The diode current is set by the voltages at pins CIx.
The switches are controlled via TTL/LVDS inputs.
Each channel can be operated at up to 1 A CW and 5 A pulsed current, depending on the frequency, duty cycle and heat dissipation.


  • Six channel laser switch from CW up to 250 MHz
  • Outputs (LDKx) are 30 V capable for stacked laser diodes
  • Pulsed operation with up to 5 A per channel
  • CW operation with up to 1 A per channel
  • Spike-free switching of the laser current
  • 6 x 1 channels with TTL inputs
  • 3 x 2 channels with LVDS inputs
  • Operates as six independent voltage-controlled current sinks
  • Outputs (LDKx) are 12 V capable for blue/green laser diodes
  • Fast and slow switching mode
  • Simple current control at pins CIx
  • CIx voltage < 3 V for full CW current
  • Wide supply voltage range from 3 to 5.5 V
  • All channels can be paralleled for up to 6 A CW and 30 A pulsed operation
  • Multiple iC-HG can be connected in parallel for higher currents
  • Open drain error output
  • Thermal shutdown


  • TOF camera lighting
  • Pump lasers
  • Laser projection
  • Laser TV
  • Data transmission
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