Bi-directional VCM driver
Bi-directional VCM driver for Auto focus
BU64987GWZ
General Description The BU64987GWZ is designed to drive Bi-directio...
Description
Bi-directional VCM driver for Auto focus
BU64987GWZ
General Description The BU64987GWZ is designed to drive Bi-directional voice coil motors. Additionally the driver is 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 1.8V Power Supply Bi-directional Constant Current Driver Current Source and Sink Output 10 bit Resolution Current Control 2-wire Serial Interface (I2C Fm+ compatible) Integrated Current Sense Resistor Power-on Reset Thermal Shutdown Protection
Applications Mobile Camera Module Bi-directional VCM Actuators
Key Specifications Power Supply Range: Standby Current: Internal Resistance:
Master Clock: Maximum Output Current: Temperature Range:
1.6V to 1.98V 0µA (Typ)
1.3Ω (Typ) 400kHz (Typ) +100mA, -100mA (Typ) -25°C to +85°C
Packages
U...
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