LITIX™ Power Flex
LED光源在汽车前端照明中有着广泛的应用。LED节能环保且元件体积小,便于布置造型,有利于实现多种新颖的车灯设计,如LED矩阵和激光远光灯等。这样的设计趋势要求相应DC/DC驱动器高度灵活,以高效驱动功率高达50W(或电流大于3A)的LED系统。英飞凌现已推出全新的多拓扑结构DC/DC控制器LITIX™ Power Flex。作为该系列的首款产品,TLD5541-1QV采用同步DC/DC H桥拓扑结构,能以超过90%的系统能效驱动大功率LED,而且只需极少的外围器件。该器件优化了扩频开关频率,因而降低了电磁辐射。另外,得益于无缝升降压调节和快速动态负载跳变,仅用一片TLD5541-1QV驱动两三个甚至多个独立开关的LED负载便能实现低成本且带完整保护诊断功能的LED车灯设计,同时最高支持55V的串联电压。
The image shows an application diagram of the TLD5541-1QV synchronous H-bridge controller with SPI.
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 |
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Config Wizard |
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Easily configure LITIXTM Power Flex devices. A user guide can be found in the user manual of the board TLD5542-1IVREG-EVAL |