TLD5501-2QV

综述

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。

特征描述

 

  • 双通道同步降压DC / DC控制器

  • 恒流和恒压调节

  • 单个通道或多相操作

  • 宽 VIN 范围（器件 4.5V 至 40V，功率级 4.5V 至 55V）

  • 宽 LED 正向电压范围：(2V 至 50V)

  • LED 电流精度在 Tj = 25°时为 +/- 3％，在整个汽车温度范围内为 5%

     

  • 从 200 kHz 到 700 kHz 的开关频率范围

  • 16位 SPI，用于诊断和控制，提供菊花链功能

  • 各种条件下的最大效率(高达96 % )

  • 跛行回家功能（故障安全模式）

  • 灵活的电流传感（高边或低边）

  • EMC 经过优化的设备: 采用自动扩频概念，确保出色的 EMC 性能

  • 提供输出电流精度校准，以提高系统精度

  • LED电流检测，采用专用的监视器输出

  • 可调节软启动功能，可在启动时限制电流峰值和电压过冲

  • 设备和负载的智能电源保护功能(开路负载、负载不足、过温)

  • 增强的调光功能，可调节平均电流型 LED 和 PWM 调光

  • 提供小型热增强型 PG-VQFN-48-31 封装

  • 通过汽车 AEC 认证

潜在应用

 

  • 专为高效率驱动汽车应用中的大功率 LED 和激光模块而设计

  • 用于高功率矩阵和像素光源的电源，如用于 DMD 或并行 LED 阵列的 LED 或激光模块

  • 如 USB，移动无线充电器和多功能预调节等非 LED 应用且电流>10A，适用于摄像头模块

  • 通用电流/电压控制 DC/DC LED 驱动器

软件和工具

Infineon tools in one place
The Infineon Toolbox integrates helpful software for our customers. For product development please use the Config Wizard for LED.
Infineon Toolbox can be downloaded here: Download Infineon Toolbox

Tool Devices Description

Config Wizard

  
  • TLD5501-2QV
  • TLD5542-1QV

Easily configure LITIXTM Power Flex devices.

A user guide can be found in the user manual  of the board TLD5542-1IVREG-EVAL

 

培训

Introduction to two-wheeler headlamp applications

4:13

The micro learning is an introduction to LITIX™ power devices for two-wheeler headlamp applications. It explains the two-wheeler market concept and shows the different motorcycle applications. In addition, it explains the key features of the three main segments and how the motorcycle LED headlamps work.

LITIX™ DC-DC controllers for two-wheeler headlamp application

3:31

The micro learning shows the LITIX™ power family devices for motorcycle applications. The LITIX™ power family provides easy-to-use devices available for headlamp and the training explains why they are the best-fit solution for each of the segments.

Driving high and low beam with only one DC-DC controller

7:48

The micro learning shows the key features of only using a single DC-DC controller in order to achieve the desired light function. It also shows how to lower costs and have less components, among other improvements, with the same current for both LED strings. In addition, it explains how the system manages the three light functions with just two switches.

TLD509xEP for two-wheeler market

5:57

This micro learning explains how TLD509xEP is the LITIX™ solution for headlamp applications for the entry level segment of the two-wheeler market. In addition, it explains the range of topologies that fulfills the load requirements and the best-fit features for headlamp applications.

Improving efficiency with H-bridge topology

5:02

The micro learning shows how H-bridge topology improves efficiency and its key benefits. In addition, it explains how TLD5190Qx achieves the best performance.

支持