原标题：大联大推出基于英飞凌技术和产品的汽车LED前大灯驱动整体解决方案

　　2016年2月23日，致力于亚太地区市场的领先半导体元器件分销商---大联大控股宣布，其旗下品佳推出基于英飞凌(Infineon)技术和产品的汽车LED大灯驱动整体解决方案。大联大品佳在今天推出的汽车LED大灯驱动整体解决方案中整合了英飞凌的TLD5097EL和TLD5098EL汽车LED DC-DC驱动芯片、IPD25N06S4L-30 MOSFET、汽车级16位MCU SAK-XC2331D，以及SBC芯片TLE9262。

　　图示1-大联大品佳推出基于英飞凌(Infineon)技术和产品的汽车LED大灯驱动整体解决方案系统框架图

　　目前，LED在车内照明和刹车灯、应急灯、日行灯等方面的应用已经取得了显着的成效，LED在整车内外部照明光源的比重已经超过了80%。且随着LED照明技术的快速发展和成本的逐步下降，LED前照灯经过近年来的技术验证、概念车展示等阶段之后，也已越来越接近大范围应用于量产车系统中。例如：奥迪R8电子系统全面使用LED车灯;奔驰、宝马、凯迪拉克、丰田等公司也相继推出了LED前照灯替代传统白炽光、HID灯的汽车车型。为此，大联大品佳适时推出英飞凌的汽车LED大灯驱动的整体解决方案。

　　图示2-大联大品佳推出基于英飞凌(Infineon)技术和产品的汽车LED大灯驱动整体解决方案开发板照片

　　本方案是以英飞凌的专用汽车LED灯光控制芯片TLD5098EL和TLD5097EL为驱动核心，MCU采用的是英飞凌高性能汽车级16位微控器SAK-XC2331D，同时可以实现CAN、 LIN以及USB通讯功能，可以通过PC端的专业软件实现灯光开关控制、灯光状态指示以及参数指示;Head Lamp Board具有日间行车灯、转向灯、近光灯以及远光灯输出功能，同时具有输入过欠压保护、日间行车灯输出开路以及短路、转向灯输出开路以及短路、近光灯输出开路以及短路、远光灯输出开路以及短路和过流等保护功能。

　　TLD5097EL

　　Description:

　　The TLD5097EL is a LED boost controller with built in protection features. The controller concept of the TLD5097EL allows multiple configurations such as Boost, Buck, Buck-Boost, SEPIC and Flyback by simply adjusting the external components. Thanks to this the TLD5097EL is a quite easy to use and flexible device that comes without SPI but still with a quite powerful feature set. It is very similar to TLD5098EL but without a dedicated PWM driver and without short to ground protection. Therefore it is a good alternative device for applications where the electronic is integrated in the same housing with the load like it is often the case for separately placed day-time-running lights or in some cost-effective LED headlamps.

　　Summary of Features:

　　Single-Channel Multitopology (B2B, B2G, SEPIC, Flyback) DC/DC Controller

　　Constant Current or Constant Voltage Regulation

　　Wide Input Voltage Range from 4.5 V to 45 V

　　Very Low Shutdown Current: I q_OFF < 10 µA

　　Switching Frequency Range from 100 kHz to 500 kHz

　　Synchronization with external clock source

　　PWM Dimming

　　Analog Dimming feature to adjust average LED current

　　Internal 5 V Low Drop Out Voltage Regulator

　　Open Circuit Detection

　　Output Overvoltage Protection

　　Internal Soft Start

　　Over Temperature Shutdown

　　300mV High Side Current Sense to ensure highest flexibility and LED current accuracy

　　Available in a small thermally enhanced PG-SSOP-14 package

　　Automotive AEC Qualified

　　Target Applications:

　　Automotive interior and exterior lights

　　LED daytime running lights, Low Beam, High Beam or combined Low- and Highbeams

　　Pre-regulator e.g. for rear light applications