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The World's First 4-channel Intelligent High-Current LED Driver

Enabling Intelligent Lighting Applications with the NEC Electronics uPD78F8024/25 Microcontroller

Intelligent Lighting Applications Guide
LED lighting designers and engineers are constantly looking for ways to reduce the cost and the size of the power management solution for multi-LED applications. NEC Electronics solution is a 4-channel constant-current driver with an embedded 8-bit flash microcontroller integrated into a single package to maximize savings of both cost and space.

The uPD78F8024/25 has a wide input voltage range from 9 to 38V and supports both buck and boost topologies to drive up to 40 high-power LEDs at currents reaching over 1.5A. Each constant-current drive implements an individual hardware hysteretic regulator controller with switching frequency up to 1 MHz, while the flash microcontroller can control each channel through PWM signals to enable dimming, flashing, and strobing sequences.

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Please visit NEC for the Tools and Resources available.

Applilet Development Tool

The Applilet code generator is a free, user-friendly development tool that generates software automatically to control the four channels of the uPD78F8024/25 microcontroller.

About NEC Electronics America, Inc.

NEC Electronics America, Inc., headquartered in Santa Clara, California, is a wholly owned subsidiary of NEC Electronics Corporation (TSE: 6723), a leading provider of semiconductor products encompassing advanced technology solutions for the broadband and communications markets; system solutions for the mobile, PC, automotive and digital consumer markets; and multi-market solutions for a wide range of consumer applications. NEC Electronics offers local manufacturing in Roseville, California, and the global manufacturing capabilities of its parent company. In the Americas, NEC Electronics markets and sells industrial-type active-matrix LCD modules from NEC LCD Technologies, Ltd., a global leader in innovative display technologies. More information about the products offered by NEC Electronics America, Inc. can be found at http://www.am.necel.com.