Datasheet > ALED7709

ALED7709

更新时间： 2023-12-20 18:44:29

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
64页	11048K
描述
Automotive LED driver 4-channel 200 mA with a DC-DC controller

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数据手册

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ALED7709 数据手册

ALED7709

Diagram

Figure 1. Block diagram

LDO5

SLOPE

LDO3V3

LDO1V8

5V LDO

Ramp

generator

3V3 LDO

VIN

1V8 LDO

Current

sensing

Boost converter

control logic

GATE

PGND

COMP

Input

Over-Voltage

and

Over-Current

Detection

UVLO

detector

ICSN

FSW

DAC

U/D Counter

Output

voltage

optimization

IOV

IOC

Sync

VFB

Voltage selector

OSC

detector

V^CH1

V^CH4

V_OVP

OVP

PWM

dimming

& phase-

shifting

Temp sensor

management

TSNS

ISET

OSC

LED Current

Setting

V^CH4

Prescaler

Counter

Configuration

registers

CH4

CH3

CH2

I^CH4

BRTH4-BRTL4

BRTH3-BRTL3

BRTH2-BRTL2

BRTH1-BRTL1

COMP

PWMI

Serial

interface

control

logic

SDA

SCL

V^CH1

CH1

I^CH1

V^CH1

V^CH2

V^CH3

V^CH4

Fault detection &

thermal protection

LED short-

circuit

detection

FAULT

SGND

OVP

IOV

IOC

PSW

DS14214 - Rev 4

page 3/64

1 234 5 6 7...64

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