Datasheet > TLD5501-2QV

TLD5501-2QV

更新时间： 2024-09-17 14:54:43

品牌	Logo	应用领域
英飞凌 - INFINEON		驱动控制器
页数	文件大小	规格书
72页	2399K
描述
TLD5501-2QV 是一款同步双通道降压DC/DC 控制器，具有内置保护功能和 SPI 接口。同步的概念有利于以最高的系统效率驱动高功率LED或为照明和非照明应用提供高功率的恒定电压电源。为了向不同应用提供极高的灵活性，TLD5501-2QV的DC / DC通道可以作为多相运行。

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中文翻译

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数据手册

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TLD5501-2QV 数据手册

TLD5501-2QV

Dual SYNC Buck Controller with SPI Interface

Infineon LITIX™ Power Flex

Package

PG-VQFN-48

TLD55012QV

TLD5501-2QV

Marking

Sales Name

Overview

Features

•

Dual-Channel synchronous DC/DC Controller for HIGH POWER LED drivers

Wide LED forward voltage Range (2 V up to 50 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

Limp Home Function (Fail Safe Mode)

EMC optimized device: Features an auto Spread Spectrum

LED current sense with dedicated monitor Output

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 package

Automotive AEC Q100 Grade 1 (-40°C to 125°C) qualified

C_IVCC

V_bat

C_IN1

V_POW

D₁

IVCC_ext

C_IN2

BST1

PWMI1

Digital dimminig CH1

C_BST1

COMP1

M₁

M₂

HSGD1

SWN1

L₁

C_OUT11C_OUT12

C_OUT13

SOFT_START1

R_FB1

C_{Soft_Start1}

C_COMP1

Channel

LSGD1

SWCS1

SET1

Analog Dimming CH1

R_SWCS1

SGND1

IOUTMON1

Output Current Monitoring CH1

Device Enable

VFB1

FBH1

FBL1

LHI

VDD

CSN

SCLK

SYNC

Fail Safe Activation

Digital Supply (+5V)

PGND1

SPI

V_POW

C_IN3

IVCC_ext

µC SYNC signal

D₂

R_FREQ

FREQ

BST2

C_BST2

M₃

M₄

PWMI2

COMP2

HSGD2

SWN2

Digital dimminig CH2

L₂

C_OUT21

C_OUT22

C_OUT23

R_FB2

SOFT_START2

LSGD2

SWCS2

Channel

R_SWCS2

C_{Soft_Start2}

SGND2

C_COMP2

VFB2

FBH2

FBL2

SET2

Analog Dimming CH2

IOUTMON2

PGND2

Output Current Monitoring CH2

VSS

AGND

Figure 1

Application Drawing - TLD5501-2QV as current regulator

Datasheet

www.infineon.com

Rev. 2.00

2021-03-26

12 3 4 5 6 7...72

中文翻译

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