NCV78763 - ON Semiconductor

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

NCV78763
Manufacturer

ON Semiconductor
ChipWorker Part#

CW1019860381
Description

Dual LED Driver and Power Ballast, for Automotive Front Lighting, 1.6A, 2nd Generation
Documentation

Datasheet

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Product Description

The NCV78763 is a single−chip, highly 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 NCV78763 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 channel outputs, with a minimum of external components. For each individual LED channel, the output current and voltage can be customized according to the application requirements. An on−chip diagnostic feature for automotive front lighting is provided, easing the safety monitoring from the microcontroller. The device integrates a current−mode voltage booster controller, realizing a unique input current filter with a limited BOM. When more than two LED channels are required on one module, then two, three or more NCV78763 devices can be combined, with the possibility for the booster circuits to operate in multiphase−mode. This helps to further optimize the filtering effect of the booster circuit and allows a cost effective dimensioning for mid to high power LED systems. Due to the SPI programmability, one single hardware setup can support multiple system configurations for a flexible platform solution approach.
Features
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Single Chip Boost−Buck Solution
Two LED Strings up to 60 V
High Current Capability up to 1.6 A DC per Output
High Overall System Efficiency
Minimum of External Components
Active Input Filter with Low Current Ripple from Battery
Integrated Switched Mode Buck Current Regulator
Integrated Boost Current−mode Controller
Programmable Input Current Limitation
Average Current Regulation Through the LEDs
High Operating Frequencies to Reduce Inductor Sizes
Integrated PWM Dimming with Wide Frequency Range
Low EMC Emission for LED switching and dimming
SPI Interface for Dynamic Control of System Parameters

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