Part Number: LM5143A-Q1 TI工程师 您好!
我们打算使用LM5143A-Q1(output 5V)和LM65635-Q1(output 12V or 5V),用于24V商用车项目。
关于客户电气试验:供电电压瞬时下降(16V→9V@100ms),要求功能等级A。
试验内容参考:ISO 16750-2 4.6.1 Momentary drop in supply voltage
经过分析,存在以下两点问题,希望帮忙解答:
1,当output=5V时,入力和出力电压幅值没有问题…
感谢您对TI产品的关注! 关于你的咨询,下面2个帖子提到了电源芯片的Phase margin and gain margin的pspice仿真
e2e.ti.com/.../5045784
e2e.ti.com/.../lm5152-q1-how-to-check-phase-compensation-and-gain-margin-in-lm5152-q1-pspice-transient-model-encrypted
另外就是TPS54620芯片也有tina仿真模型,TINA模型有专门的设定Phase…
Part Number: LM74910-Q1 We are using the LM74910 as a protection switch and have an LC filter in series in the later stage.However,during use,especially when starting with a constant power load,it is very easy to burn out the chip and MOSFET.And we measured…