单相全波电机驱动IC
品牌:晶致
电压:18V
最大电流:1.2A
工作温度:-40℃~105℃
封装:eTSSOP 14L
应用:风扇电机、3080显卡风扇、显卡散热风扇、一般消费设备驱动12V风扇的最佳方案
Application Scenarios
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Product Description


芯片应用:

主要用在风扇电机、3080显卡风扇、显卡散热风扇、一般消费设备驱动12V风扇的最佳方案


芯片概述:

AM7228S的升级版本-AM7299S。

AM7299S最吸引人的功能是通过外接电阻进行斜率调节,相比于AM7228S启停转点的精度更准确,可以满足大多数风扇的要求。该集成电路采用软开关驱动,bicmos工艺,并实现静音驱动,低电阻,低功耗。这也包括锁保护无需外部电容的自动重启电路。


备注:AM7228S与AM7228的区别在于:

停转点可调

AM7228S可调

AM7228不可调


Product Features


• 单相外置霍尔无刷驱动芯片 

• 全段转速曲线可调,停转点可调 

• 软起动/软开关,降低噪音 

• 2.8V超低电压启动,18V耐压 

• 峰值电流1200mA,平均电流480mA 

• PWM调速 • FG输出 

• 堵转保护,自动重启 

• eTSSOP 14L封装