The SGM41291 provides DC bias for the laser diode, EA bias, and MPD bias monitor circuits.
This chip supports I2C interface and other features such as laser diode (LD) open/short monitor, EAM short monitor, GPIO, over-temperature alert, over-temperature protection and so on.
The SGM41291 is available in a Green WLCSP-1.25×1.65-12B package.
Digitally Programmable EAM Bias and LD Driving Current Source
Voltage Sources for EAM Bias (-0.2V to -4.08V, 16mV/Step) with 100mA Maximum Loading Current
Current Sources for LD (0mA to 239.5mA, 0.5mA/Step or 0mA to 119.75mA, 0.25mA/Step)
Backside MPD Current Monitoring (0mA to 3mA)
Support I2C Interface and up to 1MHz I2C Clock Frequency
LD Short/Open and EAM Short Monitoring
+140℃ Over-Temperature Alert Bit
+165℃ Over-Temperature Shutdown
Available in a Green WLCSP-1.25×1.65-12B Package
EML Fiber Modules
AOC and Transponders for Telecom and Data Center Interconnection
