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NCV7683: LED Driver, Automotive, Octal, 100 mA Sequencing

Datasheet: Enhanced 100 mA Linear Current Regulator and Controller for Automotive Sequenced LED Lighting
Rev. 3 (190kB)
Product Overview
»View Material Composition
» Product Change Notification
The NCV7683 consists of eight 100 mA linear programmable constant current sources. The part is designed for use in the regulation and control of LED based Rear Combination Lamps and blinking functions for automotive applications. System design with the NCV7683 allows for two programmed levels for stop (100% Duty Cycle) and tail illumination (programmable Duty Cycle), or an optional external PWM control can be implemented. LED brightness levels are easily programmed (stop is programmed to the absolute current value, tail is programmed to the duty cycle) with two external resistors. The use of an optional external ballast FET allows for power distribution on designs requiring high currents. Set back power limit reduces the drive current during overvoltage conditions. This is most useful for low power applications when no external FET is used. Sequencing functionality is activated, controlled, and programmed by individual pins. In addition to programming of the sequence interval, the device can sequence 8 individual output channels, 4 pairs of output channels, 2 quad output channels, or all 8 at once (for multi IC use at high currents). Enhanced features of this device are a global enable function and display sequencing. The device is available in a SSOP−24 package with exposed pad.
Features   Benefits
     
  • Constant Current Outputs for LED String Drive
 
  • Current source drive optimized for LED drive.
  • LED Drive Current up to 100mA per Channel
 
  • Flexibility for lower current LEDs.
  • Open LED String Diagnostic with Open-Drain Output in All Modes
 
  • Detection of open loads is detected in STOP, TAIL, and Sequence On modes.
  • Slew Rate Control
 
  • Eliminates EMI concerns.
  • Low Dropout Operation
 
  • Allows operation in Pre-Regulator Applications.
  • External Modulation Capable.
 
  • User defined LED intensity.
  • On-Chip 800 Hz Tail PWM Dimming
 
  • Removes PWM feature out of the microprocessor.
  • Single Resistor for Stop Current Set Point
 
  • Easily programmable across platforms.
  • Single Resistor for Tail Dimming Set Point
 
  • Easily programmable across platforms.
  • Overvoltage Set Back Power Limitation
 
  • Allow longer functionality in extended input voltage range..
  • AEC-Q100 Qualified and PPAP Capable
 
  • Fits in automotive applications.
  • SSOP-24 Fused Lead Package with Exposed Pad
 
  • Thermally enhanced package for higher power operation.
  • Improved EMC Performance
 
  • Eliminated need for inductive bead on Vbat.
  • Programmable Latch-Off function on Open String
 
  • Designer flexibility to one off, all off LED turn off feature.
  • Overtemperature Fault Reporting
 
  • Noification of unacceptable operational condition.
  • Global Enable
 
  • Allows sequencing of multiple NCV7683 devices.
  • Display Sequencing
 
  • Implements blinker functionality.
Applications   End Products
  • Automotive Rear Combination Lamps
  • Automotive Daytime Running Lights
  • Automotive Fog Lights
  • Automotive Center High Mounted Stop Lamps (CHMSL)
  • Turn Signal and Other Externally Modulated Applications
  • Signature Lamp
 
  • Automobile
Technical Documentation & Design Resources
Data Sheets (1) Evaluation Board Documents (5)
Package Drawings (1)  
Evaluation/Development Tool Information
Product Status Compliance Short Description Action
NCV7683GEVB Active
Pb-free
8 Channel Enhanced 100 mALinear Current Regulator and Controller for Automotive LED Lighting in Daisy Chain Sequencing Application Evaluation Board
Availability & Samples
Specifications
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
NCV7683DQR2G Active
AEC Qualified
PPAP Capable
Pb-free
Halide free
NCV7683 SSOP-24 NB EP 940AP 3 260 Tape and Reel 2500 Contact Sales Office
Market Leadtime (weeks) : 17 to 20
ON Semiconductor   (2020-09-02 00:00) : 47,500

Product
Description
Pricing ($/Unit)
Compliance
Status
VI Max (V)
IO Max (mA)
LEDs in Series, Max #
LEDs in Parallel, Max #
Package Type
NCV7683DQR2G  
Pb
A
H
P
 Active   
40
200
4
24
SSOP-24 NB EP
Case Outlines
940AP   
Previously Viewed Products
Clear List

New Products

NCV7683  8-Channel Linear Current Driver for Automotive LED Lighting

  • Eight current sources with global current setting up to 100 mA and diagnostics
  • Global PWM duty cycle setting or configurable sequencing
  • Works standalone without MCU and with optional external MOSFET ballast transistor

NCV7691  NCV7692  Current Controllers for Automotive LED Lighting

  • Constant current output for LED string drive
  • Dedicated dimming feature via PWM input
  • Multiple LED string control with one controller

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