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NCV78723

ON Semiconductor
Part Number NCV78723
Manufacturer ON Semiconductor
Description High Efficiency Buck Dual LED Driver
Published Jan 24, 2016
Detailed Description High Efficiency Buck Dual LED Driver with Integrated Current Sensing for Automotive Front Lighting NCV78723 The NCV78723...
Datasheet PDF File NCV78723 PDF File

NCV78723
NCV78723

Overview
High Efficiency Buck Dual LED Driver with Integrated Current Sensing for Automotive Front Lighting NCV78723 The NCV78723 is a single-chip and high efficient Buck Dual LED Driver designed for automotive front lighting applications like high beam, low beam, DRL (daytime running light), turn indicator, fog light, static cornering, etc.
The NCV78723 is in particular designed for high current LEDs and provides a complete solution to drive 2 LED strings of up-to 60 V.
It includes 2 independent current regulators for the LED strings and required diagnostic features for automotive front lighting with a minimum of external components – the chip doesn’t need any external sense resistor for the buck current regulation.
The available output current and voltages can be customized per individual LED string.
When more than 2 LED channels are required on 1 module, then 2, 3 or more devices NCV78723 can be combined; also with NCV78713 device – the derivative of the NCV78723 incorporating Buck Single LED Driver.
Thanks to the SPI programmability, one single hardware configuration can support various application platforms.
Features • Single Chip • Buck Topology • 2 LED Strings up-to 60 V • High Current Capability up to 1.
6 A DC per Output • High Overall Efficiency • Minimum of External Components • Integrated High Accuracy Current Sensing • Integrated Switched Mode Buck Current Regulator • Average Current Regulation through the LEDs • High Operating Frequencies to Reduce Inductor Sizes • Low EMC Emission for LED Switching and Dimming • SPI Interface for Dynamic Control of System Parameters • Fail Safe Operating (FSO) Mode, Stand-Alone Mode • These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant Typical Applications • High Beam • Low Beam • DRL • Position or Park Light • Turn Indicator • Fog • Static Cornering DATA SHEET www.
onsemi.
com 1 24 QFN24 CASE 485CS 1 24 QFNW24 CASE 484AF MARKING DIAGRAMS 1 ON N78723−0 AWLYYWWG G 1 ON N78723−2 FAWLYYWWG G N78723−0 = Spec...


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