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Product Detailed Parameters
- Description：IC MOTOR DRIVER 3V-5.5V 48LQFP
- 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 - Half Bridge (3)
- Interface：PWM
- Technology：Power MOSFET
- Step Resolution：-
- Applications：-
- Current - Output：-
- Voltage - Supply：3V ~ 5.5V
- Voltage - Load：5.5V ~ 50V
- Operating Temperature：-40°C ~ 150°C (TA)
- Mounting Type：Surface Mount
- Package / Case：48-LQFP Exposed Pad
- Supplier Device Package：48-LQFP-EP (7x7)
- Grade：Automotive
- Qualification：-
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Overview
The A4933KJPTR-T is a high-side and low-side motor driver manufactured by Allegro MicroSystems, designed for automotive applications. It operates within a supply voltage range of 8 V to 50 V and supports an output voltage of 13 V. The device functions effectively across an extended temperature range from -40 °C to +150 °C. It utilizes a 48-pin LQFP package with surface-mount technology. The component draws a typical operating supply current of 4 mA and features moisture sensitivity classification. It is categorized under Motor / Motion / Ignition Controllers & Drivers.
Feature Summary
- Integrates high-side and low-side driver architecture for comprehensive motor control capabilities.
- Engineered for robust operation in demanding automotive environments with wide thermal tolerance.
- Supports PWM interface signals for precise motion management and ignition system integration.
Applications
- Automotive motor control systems
- Motion control applications requiring high-temperature stability
- Ignition system controllers
Procurement Notes
Verify the specific suffix 'T' indicates reel packaging configuration when sourcing. Confirm that the LQFP-48 package matches the target PCB footprint requirements. Ensure the 8 V to 50 V supply range aligns with the system's power architecture. Check for moisture sensitivity handling procedures during assembly. Validate that the 150 °C maximum junction temperature meets the operational thermal constraints of the final application environment.
Selection Notes
Select this component when a dedicated high-side and low-side driver is required for automotive-grade motor or ignition tasks. Consider the 48-pin LQFP form factor for board space constraints. Evaluate the 4 mA quiescent current against system power budgets. Ensure compatibility with the specified 8 V to 50 V input range. Verify that the extended temperature rating suits the intended installation location.
Part Context
This part belongs to the A4933 series of motor drivers from Allegro MicroSystems. It serves as a specialized solution for controlling motors in automotive contexts where reliability and thermal performance are critical. The series focuses on integrating driver stages with control logic for simplified system design.
Replacement Considerations
Public documentation identifies the A3935KLQTR-T as a suggested replacement device. Verify functional equivalence and pinout compatibility before substitution.
