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A3907
Low Voltage Voice Coil Motor Driver
Data sheet
Features
- 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
Applications
- Camera focus motor
Description
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.
Functional Block Diagram
| Part Number | Package Type | RoHS Compliant |
Part Composition/ RoHS Data |
Temperature | Comments | Samples | Distributor Stock |
|---|---|---|---|---|---|---|---|
| A3907ECGTR | 6-lead CSP | -- | -- | -40 °C to 85 °C | new |
Contact Local Sales Representative or 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.