This circuit was designed to meet a medical application’s requirement to drive a laser diode with reasonable precision and a minimum of components and footprint (the device is now in clinical trials).
ROHM’s RLD8BQAB3 1-kW, 905-nm, 8-diode laser array comes in a 5.6- × 3.3-mm SMD package. The spectral output is well-suited to ADAS applications for high-speed vehicles, providing scene illumination ...
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