Description

The A3904 is a voice coil motor (VCM) driver, with an I2 C-compatible serial interface. Designed for camera autofocus and zoom applications, this high accuracy digital IC is provided in small packages ideal for portable devices. Its operating voltage range is 2.4 to 5.5 V, and its maximum output current is 127 mA.

Features and Benefits

▪Fixed I2C logic thresholds

▪8-bit D-to-A converter

▪500 μA resolution

▪Low voltage I2C serial interface

▪Low current-draw sleep mode

▪2.4 to 5.5 V operation

▪2 mm × 1.5 mm, 0.38 mm nominal overall height DFN

▪1.1 mm × 0.7 mm, 0.5 mm maximum overall height WLCSP

▪1.1 mm × 0.7 mm, 0.33 mm nominal overall height bare die

A3904EEWTR-P属于集成电路（IC） > 电机驱动器，控制器。Allegro MicroSystems制造生产的A3904EEWTR-P电机驱动器，控制器产品属于电机驱动器和控制器电源管理集成电路 (PMIC) 系列，可用于控制或操作从某电源施加到电机或相关机电执行器的电源。所实现的具体功能和特性集根据预期负载和预期应用的特性有很大差异，范围从用于有刷电机的简单开环速度控制到基于步进电机的高级闭环运动控制。