BU64297GWZ-TR

General Description

The BU64297GWZ are designed to drive Bi-directional

voice coil motors. Additionally the drivers are able to

source the output current without the need for a direction

control signal. The drivers include ISRC (intelligent slew

rate control) to reduce mechanical ringing to optimize

the camera’s autofocus capabilities.

Features

? Bi-directional Constant Current Driver

? 10 bit Resolution Current Control

? ISRC Mechanical Ringing Compensation

? 2-wire Serial Interface (I 2 C compatible)

? Integrated Current Sense Resistor

Applications

? Mobile Camera Module

? Bi-directional VCM Actuators

Key Specifications

? Power Supply Range:  2.3V to 4.8V

? Standby Current:  70µA (Typ)

? Internal Resistance:  2.0Ω (Typ)

? Master Clock:  2MHz (Typ)

? Maximum Output Current: +100mA, -100mA (Typ)

? Temperature Range:  -25°C to +85°C

规格书BU64297GWZ-TR