A3907: Low Voltage Voice Coil Motor Driver

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.

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  • 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).

CG Chip Scale 6 bump

 

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Product Image Functional Block Diagram

Part Number Specifications and Availability

Part Number Package Type Temperature RoHS
Compliant
Part Composition /
RoHS Data
Comments Samples Check
Distributor Stock
A3907ECGTR 6-lead CSP -40 ° C to 85 ° C Yes View Data Contact your
local sales rep
Check
Distributor Stock

Allegro's products are not to be used in life support devices or systems, if a failure of an Allegro product can reasonably be expected to cause the failure of that life support device or system, or to affect the safety or effectiveness of that device or system.

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