Manufacturer Part Number
A2919SLB
Manufacturer
allegro-microsystems
Introduction
The A2919SLB is a power management integrated circuit (PMIC) motor driver designed for controlling bipolar stepper motors and brushed DC motors. It offers fully integrated control and power stages.
Product Features and Performance
Controls bipolar stepper motors and brushed DC motors
Half Bridge (4) output configuration enables efficient power use
Supports step resolution of 1/2, 1/4 for precise motor control
Operates on a supply voltage of 4.75V ~ 5.25V, making it suitable for low voltage applications
Can handle a load voltage range of 10V ~ 45V, providing flexibility in various applications
Designed to operate at temperatures ranging from -20°C to 150°C (TJ), ensuring durability under extreme conditions
Features a parallel interface for easy integration with existing systems
Product Advantages
High temperature operating capability enhances reliability in harsh environments
Flexible voltage requirements allow for use in a wide range of applications
The versatility to control both stepper and brushed DC motors with a single device simplifies system design
Key Technical Parameters
Motor Type: Bipolar (Stepper), Brushed DC
Function: Driver Fully Integrated, Control and Power Stage
Output Configuration: Half Bridge (4)
Interface: Parallel
Technology: Bipolar
Step Resolution: 1/2, 1/4
Current Output: 750mA
Voltage Supply: 4.75V ~ 5.25V
Voltage Load: 10V ~ 45V
Operating Temperature: -20°C ~ 150°C (TJ)
Quality and Safety Features
Due to its obsolescence, specific details on quality and safety features are not provided but typically include protection against overcurrent, thermal overload, and undervoltage conditions.
Compatibility
The device is designed for surface mount technology, packaged in a 24-SOIC, making it compatible with general-purpose motor control applications requiring a compact form factor.
Application Areas
General purpose motor control
Automotive applications
Industrial automation
Consumer electronics
Product Lifecycle
The A2919SLB is marked as Obsolete, indicating it is no longer in production. Customers should seek replacements or upgrades and consult allegro-microsystems for the latest product offerings.
Several Key Reasons to Choose This Product
High reliability and performance in extreme temperatures
Versatile application range due to its flexible operating voltages and ability to control different motor types
Compact SOIC package suitable for space-constrained applications
Simplified system design with an integrated driver, control, and power stage functionality
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