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/Title (NCV78663 - Power Ballast and Dual LED Driver for Automotive Front Lighting)
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BroadVision, Inc.
2020-09-01T13:14:40+02:00
2013-08-05T10:17:17-07:00
2020-09-01T13:14:40+02:00
application/pdf
NCV78663 - Power Ballast and Dual LED Driver for Automotive Front Lighting
ON Semiconductor
The NCV78663 is a single−chip and high efficient smart Power
ballast and Dual LED DRIVER designed for automotive front lighting
applications like high beam, low beam, daytime running light (DRL),
turn indicator, fog light, static cornering, and so on.
The NCV78663 is a best fit for high current LEDs and provides a
complete solution to drive two strings up to 60 V, by means of two
internal independent buck switch channels, with a minimum of
external components.
For each channel, the output current and voltage can be customized
according to the application requirements. Diagnostic feature for
automotive front lighting is provided on−chip.
The device integrates a voltage booster controller, realizing a unique
input current filter with a limited number of externals.
The NCV78663 can be used in stand−alone mode or together with a
companion microcontroller allowing maximum flexibility. Depending
on the voltage and current of the connected LED string, the LED
ballast parameters can be adapted by writing the SPI settings in the
device, as such that no hardware changes are required.
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