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