Description
A6274, A6274-1 A6284, A6284-1 Linear Current Regulator and Controller for Automotive LED Arrays .
The A6274 and A6284 are programmable linear current regulator ICs for driving automotive LED arrays.
Features
* Six LED current sinks rated up to 60 mA (A6274) or 120 mA (A6284)
* Total LED drive current
* up to 360 mA or 720 mA
* Wide input voltage range of 5 to 42 V for start/stop, cold-
crank, and load-dump requirements
* Low-dropout voltage
* drives two series
Applications
* Automotive rear combination light
* DRL/position
* General automotive lighting
Not to scale
Q1
DIM FULL
C2
* 10 µF D1
D2
C3
C4
GATE COMP OUT
VIN
LED1
D3
C1
LED2
R1 C5
EN1 EN2
R2
R3
R4
FFn R5
R6
R7 R8 R9
EN1
LED3
EN2
LED4
BIAS A6274-84 LED5
VTH LED6