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Product Detailed Parameters
- Description：IC MOTOR DRIVER 5.5V-50V 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 - Half Bridge (3)
- Interface：Parallel
- Technology：Power MOSFET
- Step Resolution：-
- Applications：-
- Current - Output：-
- Voltage - Supply：5.5V ~ 50V
- Voltage - Load：-
- Operating Temperature：-40°C ~ 150°C (TA)
- Mounting Type：Surface Mount
- Package / Case：28-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：28-TSSOP-EP
- Grade：Automotive
- Qualification：-
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Overview
The A4939KLPTR-5-T is a BLDC gate driver with an integrated 5V regulator, manufactured by Allegro Microsystems. It belongs to the A4939 series and is designed for motor, motion, and ignition control applications. The component utilizes surface mount technology and is supplied in a tape and reel packaging format. It functions as a dedicated controller for brushless DC motors, providing necessary gate drive signals and power regulation within a single integrated circuit solution.
Feature Summary
- Integrated 5V voltage regulator for internal logic supply
- Dedicated gate driver architecture for BLDC motor control
- Surface-mount package design for automated assembly
Applications
- Brushless DC motor control systems
- Motion control applications
- Ignition controllers
Procurement Notes
Verify the exact part number suffix against official Allegro MicroSystems documentation to ensure correct configuration. Confirm that the specific variant matches the required electrical specifications and package type for your design. Cross-reference the manufacturer datasheet for any recent updates or revisions to the component specifications before finalizing procurement decisions.
Selection Notes
Select this component when a dedicated BLDC gate driver with an integrated regulator is required. Ensure the application demands the specific interface and performance characteristics defined in the official datasheet. Verify compatibility with the target motor system and validate that the package dimensions meet the PCB layout constraints.
Part Context
This device is part of the A4939 series from Allegro MicroSystems, which focuses on motor control solutions. The series includes various variants tailored for different motor types and control requirements. The A4939KLPTR-5-T specifically addresses BLDC applications, offering a compact solution for integrating gate driving and power regulation functions.
Replacement Considerations
Consult official Allegro MicroSystems documentation for confirmed substitute part numbers. Do not assume cross-compatibility with other series without verifying pinout and electrical specifications against the original datasheet.
