SC5014A 查看數據表（PDF） - Semtech Corporation

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SC5014A

High Efficiency 2-Channel HB LED Driver with I2C Interface and Direct PWM Dimming

Semtech Corporation 

SC5014A

Block Diagram

REF FSET

SCP

EN

UVLO

NC

VCC

PWMI

I2C

Interface

SDA

SCL

FLT

VBG

LED Open/Short Fault

X20

SC_REF

-

OVP

+

BG

Boost

Oscillator OSC

Control Logic

LS

OTP

PWM

COMP

CLIM

+

ILIM

-

DC

+-+

Slope

Comp

COMP

+

EA

DC

-

Minimum Voltage

D e te c tio n

4

4

O C /S C

Detection SC_REF

I2C Interface

and

LED Control

5-bit

Logic

ISET Adjust

5

DAC

OTP

4

I-REF

ADJ

ISET PGND

OVP

NDRV

CS

IO 1

IO 1

IO 2

IO 2

11

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