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Low Voltage Voice Coil Motor Driver
A3907
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Designed for linear control of small form factor voice coil motors, the A3907 is capable of peak output currents to 102 mA and operating voltages to 5.5 V.
Internal circuit protection includes thermal shutdown with hysteresis, flyback clamp diode, and undervoltage monitoring of VDD.
WLCSP package for minimum footprint
Ramp control circuit
Fixed I2C logic thresholds
10-bit D-to-A converter
100 µA resolution
Low voltage I2C serial interface
Low current draw sleep mode – active low
2.3 V to 5.5 V operation
The A3907 is available in a bumped wafer level chip scale package (WLCSP) (suffix CG).