A4979GLPTR-T
- Mfr.Part #
- A4979GLPTR-T
- Manufacturer
- Allegro MicroSystems
- Package / Case
- 28-TSSOP (0.173, 4.40mm Width) Exposed Pad
- Datasheet
- Download
- Description
- IC MTR DRV BIPOLR 3-5.5V 28TSSOP
- Stock
- 12,967
- In Stock :
- 12,967
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- Manufacturer :
- Allegro MicroSystems
- Product Category :
- Motor Drivers, Controllers
- Max Collector Current :
- 1.5A
- RoHS Status :
- ROHS3 Compliant
- Terminal Form :
- Gull wing
- Mount :
- Surface Mount
- Pbfree Code :
- yes
- Factory Lead Time :
- 8 Weeks
- Terminal Finish :
- Matte Tin (Sn)
- Height :
- 1.05mm
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Voltage - Load :
- 7V~50V
- Qualification Status :
- Not Qualified
- Number of Terminations :
- 28
- Number of Outputs :
- 1
- Voltage - Supply :
- 3V~5.5V
- Function :
- Driver - Fully Integrated, Control and Power Stage
- Motor Type :
- Stepper
- Terminal Pitch :
- 0.65mm
- Peak Reflow Temperature (Cel) :
- 260
- Power Supplies :
- 3.3V
- Output Configuration :
- Half Bridge (4)
- Packaging :
- Tape and Reel (TR)
- Supply Voltage-Max (Vsup) :
- 5.5V
- Additional Feature :
- ALSO REQUIRE 7V TO 50V
- Step Resolution :
- 1, 1/2, 1/4, 1/16
- Package / Case :
- 28-TSSOP (0.173, 4.40mm Width) Exposed Pad
- Length :
- 9.7mm
- Mounting Type :
- Surface Mount
- Published :
- 2013
- Lead Free :
- Lead Free
- Number of Pins :
- 28
- Motor Type - Stepper :
- Bipolar
- Terminal Position :
- Dual
- Interface :
- SPI, Step/Direction
- Applications :
- GENERAL PURPOSE
- Supply Voltage :
- 3.3V
- JESD-609 Code :
- e3
- Operating Temperature :
- -40°C~150°C TJ
- Supply Current-Max (Isup) :
- 5mA
- Supply Voltage-Min (Vsup) :
- 3V
- Collector Emitter Voltage (VCEO) :
- 50V
- Base Part Number :
- A4979
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Switching Frequency :
- 4MHz
- Width :
- 4.4mm
- Datasheets
- A4979GLPTR-T

Motor Drivers, Controllers Allegro MicroSystems A4979GLPTR-T Overview
The Motor Drivers, Controllers Allegro MicroSystems A4979GLPTR-T is a cutting-edge integrated circuit designed for precise control of bipolar stepper motors. Engineered by Allegro MicroSystems, a leader in microcontroller and integrated circuit technology, this IC ensures reliable and efficient operation with its advanced features. The A4979GLPTR-T is ideally suited for applications requiring accurate and controlled motor movements, making it a crucial component in both industrial and consumer products. Its robust design accommodates up to 35.5V operation, providing a versatile solution for a range of motor driving needs.
A4979GLPTR-T Features
The A4979GLPTR-T motor driver IC boasts a host of features designed for superior performance in driving bipolar stepper motors. Key features include an output drive capacity of up to 35.5V and 2A, which ensures robust performance for a variety of motor types. The IC integrates a dual full-bridge driver which simplifies the circuit while enhancing functionality. Additionally, the device includes overcurrent protection and thermal shutdown features, which provide essential safeguards against operational hazards, enhancing the longevity and reliability of both the motor and the controller.
A4979GLPTR-T Applications
- 3D Printers: Utilizes the precise control capabilities of the A4979GLPTR-T to manage stepper motors for accurate print head positioning.
- Automated Robotics: Employs the dual full-bridge driver for coordinated motor control in robots, facilitating complex movements and tasks.
- CNC Machines: Leverages the high voltage and current support to drive the stepper motors required for precise tool positioning and material handling.
- Office Automation Equipment: Takes advantage of the compact 28TSSOP package to fit into space-constrained designs, enhancing the functionality of office machines such as scanners and copiers.
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