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Arrays save PCB space, costs

Posted: 03 Aug 2005 ?? ?Print Version ?Bookmark and Share

Keywords:diodes? complex array? relay driver? drdxxxxw? voltage regulator?

Diodes Inc. introduced a new product platform featuring two series of application specific complex arrays. Designed to bridge the gap between more costly analog IC and multi-package discrete solutions typical for voltage regulation and relay driving functions, the new application specific complex arrays provide cost effective single package solutions.

Including a line of relay drivers DRDxxxxW and voltage regulators DVRxVxW, these devices combine multiple discrete elements into a single package, enabling circuit designers to save PCB area and cut component and placement costs.

"This new product platform is another significant step in our ongoing quest for continued miniaturization with an eye on customer needs using multi-chip packaging integration," said Dr. Keh-Shew Lu, president and CEO of Diodes. "Our customers will benefit from these compact, cost-cutting, no-frills arrays by eliminating the complexity of multiple packages, and by gaining more flexibility in their product design."

The complex arrays for relay driving integrate a robust suppression/recovery diode and a BJT (Bipolar Junction Transistor) to provide fast and reliable control of a wide variety of relays. The integration of the suppression diode provides both protection to the BJT from inductor coil discharge and faster relay switching, effectively minimizing contact arcing and significantly increasing relay life and reliability. Available with pre-biased BJTs, this new series offers a 4-to-1-component part reduction providing an excellent combination of performance, flexibility, and space and cost savings over traditional discrete solutions. The complex arrays for relay driving are primarily intended for the industrial and consumer electronics markets for HVAC (Heating, Ventilation, Air Conditioning) controls, power distribution control, security/access systems and motor control circuitry.

Compatible with 1.8-, 2.5-, 3.3- and 5V logic level circuits, the new complex arrays provide circuit designers the flexibility to configure as Series or Shunt regulators capable of sourcing or sinking up to 100mA of load current with exceptionally precise voltage regulation as compared to the discrete multi-package circuits commonly used. They offer a low cost alternative to analog ICs and are ideal for use in space-constrained consumer electronics, including laptop computers, mobile electronics, battery chargers, computer peripherals, disk drives and network equipment, added the company.

The complete platform is constructed with 100 percent matte tin Pb-free plating and green molding compound for RoHS compliance.

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