A3907 Datasheet Low Voltage Voice Coil Motor Driver

Manufacturer: Allegro MicroSystems

A3907 low voltage voice coil motor driver by Allegro MicroSystems - Datasheet Preview

Datasheet Details

Part number	A3907
Manufacturer	Allegro MicroSystems
File Size	791.74 KB
Description	Low Voltage Voice Coil Motor Driver
Download	A3907 Download (PDF)

General 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.

PACKAGE: 6-Bump Chip Scale Package (suffix CG) Functional Block Diagram 1.8 V 1.8 kΩ 1.8 kΩ VDD SDA SCL SLEEPZ Bandgap Ref I2C Serial Interface 10 Bit DAC Control Logic Timer 2.3 to 5.5V IOUT 1.2 Ω GND A3907-DS, Rev.

Overview

A3907 Low Voltage Voice Coil Motor Driver.

Key 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 to 5.5 V operation.

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