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Product Detailed Parameters
- Description：IC MOTOR DRIVER 3V-5.5V 28TSSOP
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tape & Reel (TR),Cut Tape (CT)
- Motor Type - Stepper：-
- Motor Type - AC, DC：Brushless DC (BLDC)
- Function：Controller - Commutation, Direction Management
- Output Configuration：Pre-Driver - High Side/Low Side (3)
- Interface：Parallel
- Technology：Power MOSFET
- Step Resolution：-
- Applications：General Purpose
- Current - Output：-
- Voltage - Supply：3V ~ 5.5V
- Voltage - Load：5V ~ 50V
- Operating Temperature：-20°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：28-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：28-TSSOP-EP
- Grade：-
- Qualification：-
Download product information
Overview
The A4915MLPTR-T is a high-performance, three-phase brushless DC (BLDC) motor driver manufactured by Allegro MicroSystems. It integrates high-side and low-side power MOSFETs to drive external or internal motor windings. The device supports PWM speed control and includes built-in protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout. Designed for compact applications, it operates with supply voltages up to 30V and delivers continuous current capabilities suitable for small to medium-sized BLDC motors in consumer electronics and industrial automation.
Feature Summary
- Integrated three-phase BLDC motor driver with high-side and low-side MOSFETs
- Supports PWM speed control and commutation logic
- Includes comprehensive protection mechanisms like overcurrent, thermal shutdown, and undervoltage lockout
Applications
- Small cooling fans in computers and servers
- Brushless DC motors in home appliances
- Industrial automation equipment requiring precise motor control
Procurement Notes
Verify the exact part number suffix 'MLPTR-T' against official Allegro MicroSystems documentation to ensure correct packaging and tape-and-reel specifications. Confirm voltage ratings and current limits match your system requirements before procurement. Cross-reference with authorized distributors to avoid counterfeit components.
Selection Notes
Select this component when designing systems requiring integrated three-phase BLDC motor control with minimal external components. Ensure the application voltage does not exceed 30V and that thermal management aligns with the device's junction temperature limits. Consider PCB layout guidelines provided in the datasheet for optimal performance.
Part Context
The A4915 series from Allegro MicroSystems is designed for efficient and reliable BLDC motor control in space-constrained environments. The MLPTR-T variant indicates a specific package and reel configuration, typically used in automated assembly processes. This part belongs to a family of drivers optimized for low noise and high efficiency in fan and pump applications.
Replacement Considerations
Check Allegro MicroSystems' official substitution guide for compatible alternatives. Verify pin compatibility and electrical characteristics before replacing with other three-phase BLDC drivers.
