Bi-directional VCM driver
Bi-directional VCM driver for Auto focus
BU64297GWZ
General Description
The BU64297GWZ are designed to drive Bi-directi...
Description
Bi-directional VCM driver for Auto focus
BU64297GWZ
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 (I2C compatible) Integrated Current Sense Resistor
Applications
Mobile Camera Module Bi-directional VCM Actuators
Key Specifications
Power Supply Range: Standby Current:
Internal Resistance:
Master Clock: Maximum Output Current: Temperature Range:
2.3V to 4.8V 70µA (Typ)
2.0Ω (Typ) 2MHz (Typ) +100mA, -100mA (Typ) -25°C to +85°C
Packages
■ BU64297GWZ UCSP35L1
W (Typ) x D (Typ) x H (Max) 0.77mm x 1.2mm x 0.36mm
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