New Industry Products

Bias Power Low-Power, Ruggedized AC-DC LED Drivers Meet Requirements for Outdoor Lighting

March 17, 2011 by Jeff Shepard

Bias Power’s new BPWXL Series of 4, 6 and 10W constant current LED drivers offer 350mA constant current operation with 1% regulation over the entire input voltage range of 100-308Vac, 50/60Hz. Additionally, the drivers have unique cold-starting circuitry tested to -55°C, proven to kick-start LEDs, even in frigid outdoor lighting fixture designs. The LED drivers are based on Bias’ patented circuit designs incorporating a custom ASIC controller.

The modules meet NEMA 6P/IP67 moisture and submersion and easily satisfy the strict requirements for outdoor architectural, building and low-bay garage LED lighting. The LED drivers are rated for 3,000Vac isolation and feature inherent over-current, short circuit (shorted string), overload and open circuit (string break) protection. All modules are specified for full-rated power over the temperature range of -40 to +85°C. According to the company, the nominal 80% efficiency results in some of the highest lumens/watt, end-to-end efficacy ratings for LED solutions in the market today.

With a footprint of only 1.3 x 1.9 inches and height of less than 1 inch, the BPWXL6 provides up to 6W of output power for LED string voltages up to 21Vdc. In the same package, the BPWXL4 provides up to 4W of output power for LED string voltages up to 12Vdc. The BPXL10 is a 10W driver for LED strings rated up to 30Vdc, and has a package size of 2.1 x 2.3 inches with a height of 1.25 inch. Standard connections are 11 inch, 18AWG ’flying leads’ with dual mounting slots for ease of installation.

Bias Power LED Driver modules comply with UL/CSA and EN Product Safety Requirements (UL8750 Class 2) and meet conducted EMI emissions EN 55022, Class B and FCC Part 15, Class B. The modules have an MTBF rating of >500K operating hours.

BPWXL Series ac-dc constant current LED driver modules are available for immediate sampling with 4-6 week delivery for production. Pricing begins at under $15.00 in OEM quantities.