The bcr450 is a led driver ic optimized for usage with an external power transistor for driving leds above 100. Tps61165q1 highbrightness white led driver in sot23. Full function led driver ic for automotive interior lighting. It allows efficient operation of high brightness hb leds from voltage sources ranging from 18vdc up to 450vdc.
Allegro led drivers lead the industry in reliability and robustness, offering one of the largest selections of wideinput, grade 0, led driver ics. Is31lt3935 is an advanced triac dimmable led driver with accudimtm technology which mimics an incandescent light bulb for true dimming performance with near 100% dimmer compatibility at a high power factor. Led drivers provide constant current control in high brightness lighting with high efficiency greater than 95%. The pt4107 controls an external mosfet at fixed switching frequency up to 300khz. Scroll to top triac dimmable led driver ic for retrofit light bulbs. Hv9912 is an led driver ic designed to control singleswitch pwm converters buck, boost, buckboost and sepic in a constant frequency or. Hv9912 switchmode led driver ic microchip technology. A led current possible by using external transistor en input for pwm led brightness control and onoff control very low standby current. Lownoise, lowemi, adjustable linear current source.
Pt4107 general description the pt4107 is a pwm highefficiency led driver control ic. The pt4107 is a pwm highefficiency led driver control ic. And91 designing a led driver with the ncl30080818283. Bd9285fge2 rohm led driver, boost step up, 1 output. For currents up to 85 ma the bcr450 can be used in stand alone operation. Led driver, boost step up, 1 output, 9v to 18v in, 800khz switch, sop18. It allows efficient operation of high brightness hb. The operating duty cycle can be as wide as 100% and it can power led load from a 20v450v power. Ncp1840 8channel programmable led driver the ncp1840 is a general purpose led driver that allows for full programmability of eight separate led channels through a simple i2c serial communication interface. The frequency can be programmed using a signal resistor. Competitive prices from the leading led driver ics distributor. An integrated debounce and latch circuit conditions the switch input. Both off time and peak led current is externally programmed. The current through each of the channels can be up to 30 ma and is controlled via constant current regulation.
1239 894 466 999 430 857 639 1438 1278 788 836 1627 1319 1222 289 482 1516 1445 651 621 156 1197 451 354 967 441 935 355 102 1002 1229 883 1209 988 972 1233 1184 485 53 704