Exar Corporation unveiled the XRP7618 an 8-channel constant current LED driver. Supporting up to 30V on its LED channel inputs, the XRP7618 is ideally suited to drive up to eight strings of multiple LEDs at currents up to 100mA. Several devices can be cascaded to drive additional channels.

Key Product Features

With a capability of 100mA per channel and outputs rated at 30V, the XRP7618 can control strings of multiple LEDs with better than +/- 1.5% channel to channel current matching. Multiple channels can be combined to increase current driving capability per channel, up to 800mA, and multiple XRP7618s can be placed in parallel for applications requiring more than eight strings of LEDs. Current is programmed via an external resistor while analog or PWM dimming control is supported up to 25kHz. Featuring Exar's Smart Talk™ technology, the XRP7618 maximizes the overall system efficiency by dynamically reporting the minimum LED voltage necessary to maintain current regulation mode.

Power Management Products

Highly reliable, accurate, power management is a critical part of any technology system. Exar has a broad array of high-performance and industry-proven power management solutions including handset and lighting controls, power conversion, and standard linear devices.

Prices, Packages, Availability and Additional Information

The XRP7618 is available now in volume quantities and offered in a RoHS compliant, "green" halogen free exposed pad 20-pin TSSOP package. Pricing starts at $0.69 for 1K units.