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Product Detailed Parameters
- Description：IC MOTOR DRIVER 2.4V-5.5V 6WLCSP
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tape & Reel (TR)
- Motor Type - Stepper：-
- Motor Type - AC, DC：Voice Coil Motor
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Low Side
- Interface：I2C
- Technology：Power MOSFET
- Step Resolution：-
- Applications：Camera
- Current - Output：127.5mA
- Voltage - Supply：2.4V ~ 5.5V
- Voltage - Load：2.4V ~ 5.5V
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：6-XFBGA, WLCSP
- Supplier Device Package：6-WLCSP (1.1x0.70)
- Grade：-
- Qualification：-
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Overview
The A3904ECGTR is a fully integrated brushed DC motor driver manufactured by Allegro MicroSystems. It operates within a supply voltage range of 2.4V to 5.5V and delivers an output current of 127.5mA. The device utilizes I2C digital interface for control and is built on Power MOSFET technology. It is housed in a compact 6-WLCSP package, suitable for surface mount installation. The component supports operation across a junction temperature range of -40°C to 150°C.
Feature Summary
- Integrates full control logic and power stage for simplified design
- Utilizes I2C digital interface for precise motor management
- Supports voice coil motor applications with low voltage operation
Applications
- Camera lens actuation systems
- Voice coil motor drivers
- Compact mobile device mechanisms
Procurement Notes
Verify the specific suffix ECGTR against official datasheets to confirm the WLCSP packaging variant. Confirm availability status as distribution channels may list obsolete or end-of-life inventory. Ensure compatibility with I2C bus requirements and thermal constraints for the target application environment before finalizing procurement.
Selection Notes
Select this component when space-constrained designs require a digitally controlled motor driver. The WLCSP package offers minimal footprint compared to DFN alternatives. Verify that the 127.5mA output capability meets load requirements and that the system architecture supports I2C communication protocols for configuration and monitoring.
Part Context
This part belongs to the A3904 series of motor drivers from Allegro MicroSystems. The series focuses on low-voltage, low-current applications requiring digital control. The ECGTR designation specifically identifies the wire-lead chip scale package version, distinguishing it from other package options like the DFN variant within the same functional family.
Replacement Considerations
Check for direct pin-compatible upgrades within the A3904 family. Evaluate alternative Allegro microstepping drivers if higher current capacity is required. Verify that substitute components maintain I2C interface compatibility and similar voltage operating ranges.
