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求介绍2.8-4.2v​ DC/DC 3.7-12V 升压驱动IC 大电流

Other Parts Discussed in Thread: LM5121


现开发一个大电流低压DC/DC 升压电路,锂电输入电压2.8-4.2v,输入电流0-17A,输入功率0-60W;输出电压2.8--15v,输出电流0-6A,输出功率0-50W,因MCU频率较低直接同步驱动PMOS/NMOS升压效率不高,想用一个升压驱动IC专控制升压电路,PMOS/NMOS外置,电感能用到2.2UH以下,MCU控制控制升压驱动IC的反馈量从而达到控制输出电压的目的,拆过电子烟的线路,一样使用升压驱动IC 20几个脚,但型号被磨掉,PMOS/NMOS外置,电感2.2UH,效率很高,发热量少,现求介绍升压驱动IC,听说TI的有合适的,直接或者需要改进的应用都可以,但找了半天没找到,谢谢大侠们!!