bflex Microcontroller based constant current regulator.
User menu reconfigurable to 350/500/750 or 1000mA at any time.
Current limit set in firmware.
User programmable low voltage warning.
Ships with user configurable choice of 3 UI's. The user can select either the Fixed lighting (UIF version, 8 'brightness' level) firmware, the Flashlight (UIP, 5 'brightness level) firmware or the new Bicycle (UIB) firmware.
Non-volatile storage of brightness level.
Draws <0.2mA when in 'sleep mode'.
Can drive up to 23V (V1.1 shipping 25 Apr 2007) of series connected Leds (from minimum input = (output voltage + 1.5V)). V1.0 was limited to 16V max output.
Input operates from 4V to 25V.
Protected against reverse polarity connection and output short circuit.
Board is 1.0" in diameter, 0.33" thick (without switch) or 0.54" thick (with switch).