SC5014 Ver la hoja de datos (PDF) - Semtech Corporation

Número de pieza

componentes Descripción

fabricante

SC5014

High Efficiency 4-Channel HB LED Driver with I2C Interface and Phase-Shifted PWM Dimming

Semtech Corporation 

SC5014

Block Diagram

REF FSET

SCP

EN

UVLO

CPLL

VCC

PWMI

I2C

Interface

SDA

SCL

FLT

VBG

X20

SC_REF

-

OVP

+

BG

PLL CP

VCO

Boost

Oscillator

OSC

Control Logic

LS

1/N

OTP

18

I2C

(PLL range)

10MHz

(System Clk)

PWM Freq.

Adjust

Duty Cycle

Extractor

Recycle

8 Generator

LED Open/Short Fault

10

Duty Cycle

MUX

PWM

COMP

CLIM

+

ILIM

-

DC

+-+

Slope

Comp

COMP

+

EA

DC

-

4

Minimum Voltage

Detection

4

4

OC/SC

Detection SC_REF

I2C Interface

and

LED Control

Logic

LED Freq Adjust

PWM Dim Adjust

ISET Adjust

5

OTP

10

5-bit

DAC

4

I-REF

ADJ

ISET

PGND

OVP

NDRV

CS

IO1

IO2

IO3

IO4

11

Share Link: