设计
DC-DC LED Drivers | NCV78343
Series String Pixel Controller for Automotive (Front) Lighting
概览
The NCV78343 is a single−chip pixel controller with embedded switches to control individual LEDs in a series LED string, designed for automotive dynamic lighting applications and in particular for high current LEDs. In order to create a pixel lighting solution, the LEDs need to be powered by current sources such as NCV78763 or NCV78723. The NCV78343 pixel controller devices receive the pixel control parameters from the pixel light ECU which translates the required light pattern or light image into individual pixel dimming data. One pixel controller device can control up−to 12 pixels of 1× or 2× 1.4 A LEDs per pixel. The maximum LED string voltage has to be limited to 60 V. When more than 12 pixels are to be controlled, multiple pixel controllers can be combined in a single system. The NCV78343 uses two communication interfaces for connection with a microcontroller. A universal asynchronous receiver transmitter (UART), which supports the use of CAN transceiver and multipoint low voltage differential signaling (M−LVDS) for either local connection or connection with the MCU.
应用
- Dynamic Adaptive Driving Beam Functions
- Glare−free High Beam
- Static Swiveling
- Beam Shaping
- Light Power Adjustment
- Animated Welcome Functions on SignalLights
- Wiping Blinker
终端产品
- Matrix Beam Headlight
- Wiping Turn Indicator
特性
- Single Chip Compatible with IMS Board (Single Layer)
- 12 Integrated Switches with Multiple Configuration Options
- Minimum of External Components
- Communication Interfaces to the Pixel Light ECU via
- Integrated M−LVDS
- UART over CAN Interface
- Integrated Bridge between M−LVDS and UART
- Supports up to 32 Devices, 1Mbaud
- No Need for Local MCU and Precise Clock
- Interface to External I2C EEPROM
- Integrated 8 bit Analog to Digital Converter
- Dimming Controller
- PWM + Phase Shift Unit per Channel
- Over Temp Protection
- Individual Open/Short/OV LED Diagnostic Feedback
- Open LED Failure Automatic Bypass
- This is a Pb−Free Device
- NCV Prefix for Automotive and Other Applications RequiringUnique Site and Control Change Requirements; AEC−Q100Qualified and PPAP Capable
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NCV78343DQ0R2G
Active
Pb
A
H
P
SSOP-36 EP
3
260
REEL
1500
N
Step-Up/Step-Down/SEPIC
4.5
40
60
1400
1000
Price N/A
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