Products, Materials & Tools | Dec 13, 2016

Diodes Introduces New Triac-Dimmable LED Controller/Driver Design Platform

The AL1692 LED controller/driver introduced by Diodes Incorporated is a platform-based design solution for triac-dimmable LED lamps. The internal MOSFET versions provide a low-cost solution with compact PCB size and directly drive lamps rated from 3 W to 13 W. The controller-only version with an external MOSFET can support higher power applications up to 25 W.

Intended for offline triac-dimmable LED lighting applications, the single-stage, buck-boost, non-isolated configuration of the AL1692 provides a high power factor, low total harmonic distortion and high triac dimmer compatibility solution to meet National Electrical Manufactures Association (NEMA) Solid State Lighting (SSL) standards. The AL1692 eliminates auxiliary winding and provides an accurate output LED current that ensures excellent line and load regulation, while its operation in boundary conduction mode (BCM) achieves high-conversion efficiency and eases EMI design to further reduce BOM cost.

The AL1692 offers four internal MOSFET options with various drain-source on-resistances for either 120 VAC or 230 VAC operation, and to cover a wide range of output voltage/current applications including: 4.7O/700 V, 4O/600 V, 3.2O/500 V and 2.8O/400 V. Enhanced internal protection features, such as LED open/short circuit protection, over-temperature, under-voltage lockout, leading-edge blanking, cycle-by-cycle over-current protection, and thermal fold-back protection improve system safety and reliability.

The controller-only version of the AL1692 is offered in an SO-8 package while the MOSFET options are supplied in an SO-7 package.

In quantities up to 10k, unit pricing for each is:
AL1692S-13 (controller-only)        $0.15 USD
AL1692-10ES7-13 (1A/700V MOSFET)    $0.18 USD
AL1692-20CS7-13 (2A/600V MOSFET)    $0.20 USD
AL1692-30BS7-13 (3A/500V MOSFET)    $0.20 USD
AL1692-30BAS7-13 (3A/400V MOSFET)    $0.19 USD

Further information is available from

About Diodes Inc:

Diodes Incorporated (Nasdaq: DIOD), a Standard and Poor’s SmallCap 600 and Russell 3000 Index company, is a leading global manufacturer and supplier of high-quality application specific standard products within the broad discrete, logic, analog and mixed-signal semiconductor markets. Diodes serves the consumer electronics, computing, communications, industrial, and automotive markets. Diodes’ products include diodes, rectifiers, transistors, MOSFETs, protection devices, function-specific arrays, single gate logic, amplifiers and comparators, Hall-effect and temperature sensors, power management devices, including LED drivers, AC-DC converters and controllers, DC-DC switching and linear voltage regulators, and voltage references along with special function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers. Diodes’ corporate headquarters and Americas’ sales office are located in Plano, Texas and Milpitas, California.


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