Products, Materials & Tools | Mar 02, 2011

ZMDI LED Driver ICs Boost Lumen-per-Watt Efficiency while Keeping Bill of Material Low

ZMD AG, a global supplier of analog and mixed-signal solutions for automotive, industrial, and medical applications, today announced two high-performance devices to complement its family of LED driver integrated circuits. The ZLED7020 and the ZLED7030 LED driver ICs operate at up to 98% efficiency, thus helping to achieve the highest possible lumen-per-watt output in high brightness LED applications.

ZMDI’s ZLED7020 and ZLED7030 feature dimming over a 1200:1 range and can drive LEDs with up to 1.2 amps of current from a power supply as high as 40 Volts. The ZLED7030, specifically, offers a 2/3-step dimming switch with three configurable options eliminating the need for an external dimmer control.

“While LEDs are very efficient converters of electricity into light, they require highly efficient driver ICs to maximize this advantage,” stated Dr. Hendrik Ahlendorf, Product Manager at ZMDI. “These two new devices, ZLED7020 and ZLED7030, provide ideal solutions for many cost-sensitive applications, including signage, street and traffic lights, spotlights, appliance lighting and all types of general home and office illumination.”

The ZLED7020 and the ZLED7030 LED driver include the 40-volt switching transistor on-chip and offer high-side current sensing. Requiring only a current-sense resistor, a diode, an inductor and a capacitor for a complete driver both devices help to minimize the Bill of Material (BOM). Built-in safeguards protect high-current and high-brightness LEDs with thermal shutdown, open-circuit and short-circuit protection.

Due to their output current capabilities, the ZLED7020 and ZLED7030 support the new high brightness and high current LEDs from major LED manufacturers without adding an additional MOSFET to the application circuit.

The operating temperature range of the ZLED7020 and the ZLED7030 is from -40°C to 105°C. For both devices, complete evaluation kits are available. The ZLED7020 comes in a SOT89-5 package and the ZLED7030 comes in a SOP-8 package. For 5,000 pieces, the ZLED7020 is priced at 0.57€ and the ZLED7030 at 0.90€. Both devices are available now.

About ZMDI:
Zentrum Mikroelektronik Dresden AG (ZMDI) is a premier supplier of innovative energy efficient analog and mixed-signal semiconductors for the automotive, mobile medical, industrial automation, and consumer markets. The Company’s application-specific standard products (ASSPs) and application-specific integrated circuits (ASICs) are known for their robust, cost-effective performance in demanding environments characterized by high temperature, high voltage, and the need for ultra-low power. Headquartered in Dresden, Germany, ZMDI has 280 employees worldwide and serves customers from its offices in Dresden, Stuttgart, Germany; Milan, Italy; Pocatello, ID, Melville, NY; Tokyo, Japan; Taipei, Taiwan and Seoul, Korea. ZMDI has design centres in Dresden, Stuttgart, Munich, Germany; Varna, Bulgaria and Madison, Wisconsin. See more at http://www.zmdi.com/.

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