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[原创]Infineon TLS4120D0EP V50OPTIREG切换器解决方案

关键词:电源管理 DC/DC转换器 汽车电子 Infineon TLS4120D0EP V50OPTIREG

时间:2020-10-22 15:42:18       来源:中电网

Infineon公司的OPTIREG™切换器TLS4120D0EP V50是同步降压稳压器,特别设计用于汽车电子应用.器件的电流能力为2A,固定输出电压5V,PWM模式的反馈电压精度为±1.5%.集成的功率级,软起动特性和集成的补偿网络降低了外接元件数量,从而降低了系统成本和PCB板尺寸.宽输入电压范围和100%占空比操作模式使得器件非常适合汽车应用的电池起动拖动状态.宽开关频率范围内允许选择合适的线圈和电容.开关频率可以和外接时钟同步,还可以激活扩频调制(SSFM)以改善PWM工作时的EMI性能.器件的输入电压从3.7V到35V,超低电流损耗31 μA.工作温度Tj = -40C到 150C,RoHS兼容.主要用在汽车车体,ADAS,导航,息娱乐系统和远程信息处理.本文介绍了TLS4120D0EP V50主要特性, 功能框图, OPTIREG™ 切换板TLS412xD0EPVxx 演示板Z8F68163134主要特性,框图,多种装配图,电路图和材料清单与PCB设计图.

 

The OPTIREG™ switcher TLS4120D0EPV50 is a synchronous step down regulator especially designed forautomotive applications. The device has a current capability of 2 A, fixed 5 V output voltage and a feedbackvoltage accuracy of ±1.5% in PWM mode. The integrated power stages, soft-start feature and integratedcompensation network reduce the required amount of external components and thus system costs and boardspace. The wide input voltage range and a 100% duty cycle operation mode make the device suitable for batterycranking scenarios in automotive applications. The wide switching frequency range allows the selection ofappropriate coils and capacitors. The switching frequency can be synchronized to an external..

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