Rohm moves into instrument clusters with LEDs and LED drivers

Rohm has unveiled its new low current, high brightness chip LED SMLx family featuring various package sizes and colour ranges for usage in advanced automotive cluster and indicator applications.

Picture: Rohm

Featuring a wide variety of packages, excellent heat radiation and high brightness parts, Rohm’s new line-up complies with these particular needs. In addition, the new SMLTx , SMLMs and SMLZ families are able to emit OEM colours such as blue lagoon, ice blue, sapphire blue and blue green, including InGaN-based pure green. Different package types and sizes provide designers with a wide range of devices in order to facilitate the optimum solution for their LED design.
The company has also introduced its new BD8377 LED driver series for automotive cluster applications. This new IC is a 12 channel 50mA/ch LED driver in a small SSOP-B20 package. It supports cascade connections in order to increase the number of channels and the number of LEDs which can be driven and controlled. Also the devices features a 35V DMOS Open Drain output MOSFET for multiple driving and efficient power saving as well as low EMC noise with an output slew rate of 20V/usec.
The BD8377 is the first product of a new family of Automotive Indicator LED drivers. Rohm says it is already developing the next generation versions of this driver which will expand the feature set by adding advanced diagnostic and dimming functions.

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