与车夫的关系。目前closeloop 闭环式异军突起、ois 呼之欲出。担当马车夫的driver ic （fp5510 ）日益显得重要，成为业界开始关注的焦点。  10-bit dac 120ma vcm driver  withi2c interface  （fp5510 ）the fp5510 is a single 10-bit dac with120maoutput current voice coil motor vcm driver withan  i2c-compatible serial interface that operates at clock  rates up to 400khz. its supply operates from 2.3v to  3.6v. the fp5510 incorporates witha power-on reset  circuit power-down function. power-on reset circuit  ensure when supply power up dac