SC654 Datasheet, PDF(9/22 Page) Semtech Corporation – Light Management Unit for 6 LEDs with SemPulseTM Interface

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SC654 Datasheet, PDF (9/22 Pages) Semtech Corporation – Light Management Unit for 6 LEDs with SemPulseTM Interface

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Block Diagram

IN 12

C1+ C1- C2+ C2-

8 10 7

Fractional Charge Pump

(1x, 1.5x, 2x)

SPIF 5

SemPulse

Digital

Interface

and Logic

Control

GND 6

Oscillator

Current

Setting

DAC

SC654

11 OUT

13 BL1

14 BL2

1 BL3

2 BL4

3 BL5

4 BL6

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