NCV7691GEVK: Current Controller for Automotive LED Lamps Evaluation Kit

Automotive turn signals are sometimes designed to display an indicator in a fashion such that lights are activated in a sequencing manner to show directional intent.

This evaluation note highlights the use of standard logic integrated circuits with the NCV7691 devices to provide a solution for a sequencing design. The system consists of the LED current controllers (NCV7691 x 3), a voltage regulator (NCV8664), a timer IC (NCV1455B), a shift register (MC74HC164A), and a NAND gate (MC74HC20A).

The evaluation board has an on−board LED array to highlight a sequencing solution for automotive indicators. An additional 10−pin edge connector allows for connection to external LEDs (often at higher current by modifying the current programming resistors).
Evaluation/Development Tool Information
Product Status Compliance Short Description Parts Used Action
NCV7691GEVK Active
Current Controller for Automotive LED Lamps Evaluation Kit NCV7691D10R2G
Technical Documents
Type Document Title Document ID/Size Rev
Eval Board: Manual NCV7691 Current Controller with Automotive LED Lamps in Sequencing Application Evaluation Board User's Manual EVBUM2211/D - 667 KB  5 
Eval Board: Gerber NCV7691GEVK Gerber Layout Files (Zip Format) NCV7691GEVK_GERBER - 137 KB  0 
Eval Board: Schematic NCV7691GEVK Schematic NCV7691GEVK_SCHEMATIC - 232 KB  0 
Eval Board: Test Procedure NCV7691GEVK Test Procedure NCV7691GEVK_TEST_PROCEDURE - 189 KB  0 
Eval Board: Manual NCV7691 Load Board Evaluation Board User's Manual EVBUM2236/D - 193 KB  0 
Eval Board: BOM NCV7691GEVK Bill of Materials ROHS Compliant NCV7691GEVK_BOM_ROHS - 186 KB  2 
Video Automotive LED Lamps in Sequencing Applications - NCV7691GEVK Evaluation Board TND6127/D   
Eval Board: Manual NCV7691 8-Channel Rear Combo / Daylight Running Light Evaluation Board User's?Manual EVBUM2299/D - 1288 KB  0 
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Automotive LED Lamps in Sequencing Applications - NCV7691GEVK Evaluation Board
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