Datasheet > TLD5541-1_18

TLD5541-1_18

更新时间： 2024-09-17 01:08:59

品牌	Logo	应用领域
英飞凌 - INFINEON		/
页数	文件大小	规格书
81页	3396K
描述
H-Bridge DC/DC Controller with SPI Interface

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中文翻译

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数据手册

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TLD5541-1_18 数据手册

TLD5541-1

H-Bridge DC/DC Controller with SPI Interface

Infineon^®LITIX™ Power Flex

Package

Marking

PG-VQFN-48-31

TLD55411QV

PG-TQFP-48-9

TLD55411QU

TLD5541-1QU

Sales Name TLD5541-1QV

Overview

Features

•

Single Inductor high power Buck-Boost controller

Wide LED forward voltage Range (2 V up to 55 V)

Wide VIN Range (IC 4.5 V to 40 V, Power 4.5 V to 55 V)

Switching Frequency Range from 200 kHz to 700 kHz

SPI for diagnostics and control

Maximum Efficiency in every condition (up to 96%)

Constant Current (LED) and Constant Voltage Regulation

Drives Multiple Load with a single IC thanks to the Fast Output Discharge operation

Limp Home Function (Fail Safe Mode)

EMC optimized device: Features an auto Spread Spectrum

LED and Input current sense with dedicated monitor Outputs

Advanced protection features for device and load

Enhanced Dimming features: Analog and PWM dimming

LED current accuracy +/- 3%

Available in a small thermally enhanced PG-VQFN-48-31 or PG-TQFP-48-9 package

Automotive AEC Qualified

V_IN

R_IIN

C_IN2

IVCC

C_IN1

C_IVCC

VIN

IIN2

IVCC_ext

IVCC

R_filter

C_filter

D₂

D₁

IIN1

SET

C_OUT2

C_OUT3

BST1

BST2

R_FB

LIMPHOME

FAIL SAFE Circuit

C_OUT1

C_BST1C_BST2

V_DD

M₁

M₂

M₄

LHI

EN/INUVLO

HSGD1

SWN1

L_OUT

R_EN

I/O

INOVLO

C_COMP

M₃

LSGD1

SWCS

R_COMP

C_{SOFT_START}

COMP

SOFT_START

FAIL SAFE Circuit

Micro

controller

PWMI_LH

R_FREQ

FREQ

PWMI

SGND

PGND1

PGND2

LSGD2

SWN2

HSGD2

VFB

R_PWMI

R_SENSE

A/D

IINMON

IOUTMON

SYNC

R_SYNC

I/O

V_DD

VDD

R_CSN

CSN

FBH

R_SI

SPI

R_SO

FBL

R_SCLK

SCLK

VSS AGND

GND

Figure 1

Application Drawing - TLD5541-1 as current regulator

Datasheet

www.infineon.com

Rev. 1.1

2018-02-08

12 3 4 5 6 7...81

中文翻译

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