Highly Flexible, Small High-Power LED Driver Can Drive Up to 8 HB LEDs for Displays and Electronics in Automotive Designs
Intersil’s ISL78100 Features Cost- and Space-Saving Integrated 3A FET and Protection Features in a 4mm x 4mm QFN Package Capable of Being Applied in a Variety of Configurations
The ISL78100 is very flexible and can be configured to optimally drive from one to eight HB (high brightness) LEDs, while being capable of operating in boost, buck or SEPIC configurations. The ISL78100 also features two methods of controlling LED light level; a DC bias current, or through the use of an external PWM signal for more accurate control of the LED color temperature.
In addition, there are optional integrated protection features that the designer can choose from with the ISL78100. An available fault monitor that disconnects the input supply can be used to protect against load dump conditions.
The ISL78100 also features thermal compensation and a load isolation switch. The device’s temperature compensation drastically improves LED lifespan and an integrated over-temperature control circuit monitors a thermistor voltage and adjusts the LED bias current. This high level of integration allows designers to avoid the use of costly discrete protection solutions.
The ISL78100 is up to 92 percent efficient and thus will extend battery life in applications when the vehicle’s ignition is off.
The device is both AEC-Q100-rated and fully TS16949-compliant, including a higher process CPK. The ISL78100 is rated for the automotive temperature range (-40° C to +105° C) and, with a tiny 4mm x 4mm x 0.9mm QFN package, is the smallest integrated high power LED driver available.
Pricing and Availability
The ISL78100 is available now in a 20-lead QFN package and is priced at $1.32 in 1,000-unit quantities and at $1.39 in 1,000-unit quantities in tape-and-reel configurations. More information on the ISL78100 is available at
Note to editors: To view a high-resolution downloadable photo of the ISL78100, visit Intersil’s photo room at: http://www.intersil.com/pressroom/photoarchives.asp.
About Intersil Automotive Products
Intersil has developed industry-leading expertise in a broad range of analog technologies critical to next-generation automotive ICs for a variety of applications, including LVDS technology. Intersil automotive ICs connect with distribution, display power management, heads-up and cluster displays, body electronics, LED lighting, light-to-digital sensors and sensors for pressure, acceleration and rain. The company also has established a leadership position in devices ranging from boost regulators to fully-integrated multi-channel regulators with integrated amplifiers to support LCD displays. Intersil’s commitment to quality continues to define the company’s role in automotive ICs.
Intersil Corporation is a leader in the design and manufacture of high-performance analog semiconductors. The Company's products address some of the industry's fastest growing markets, such as, flat panel displays, cell phones, other handheld systems, and notebooks. Intersil’s product families address power management functions and analog signal processing functions. Intersil products include ICs for battery management, hot-swap and hot-plug controllers, linear regulators, power sequencers, supervisory ICs, bridge drivers, PWM controllers, switching DC/DC regulators and power MOSFET drivers; optical storage laser diode drivers; DSL line drivers; video and high-performance operational amplifiers; data converters; interface ICs; analog switches and multiplexers; crosspoint switches; voice-over-IP devices; and ICs for military, space and radiation-hardened applications. For more information about Intersil or to find out how to become a member of our winning team, visit the Company's web site and career page at www.intersil.com.
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