The A4992KLPTR-T is a microstepping motor driver designed for bipolar stepper motors, capable of operating in full, half, quarter, eighth, and sixteenth step modes. It supports a supply voltage range of 3.5 to 50 V and features low R_{DS(on)} outputs, with a typical value of 0.5 Oc for both sourcing and sinking current. The driver incorporates adaptive mixed current decay to enhance step accuracy and reduce audible noise. This device includes several protective features such as internal overvoltage and undervoltage lockout, overtemperature shutdown, and short circuit diagnostics. It also offers stall detection capabilities and can be configured through a serial interface for various motor control parameters. The A4992KLPTR-T is packaged in a 20-pin TSSOP with an exposed thermal pad, making it suitable for applications in automotive environments, including engine management and headlamp positioning.
Serving as a replacement for the AMT49702 Quad DMOS Full-Bridge PWM Motor Driver.
The A4992 simplifies stepper motor control with integrated phase current control, a built-in translator for easy microstepping, and adaptive mixed current decay for quiet and efficient operation.
* Note: If you have issues logging into this feature you may need to enable 3rd party cookies in your browser settings
Download Datasheet
Stepper Motor Controller, PDSO20, 4.40 X 6.50 MM, 1.20 MM HEIGHT, TSSOP-20 Product overview: A4992KLPTR-T from Allegro MicroSystems is a Motor Driver IC for embedded motor control, robotics, automation equipment, haptic feedback, pumps, fans, and industrial motion systems. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include Stepper, TSSOP. Search-friendly keywords include motor driver IC, H-bridge, stepper motor, PWM control, motion control, Stepper, TSSOP, Motor Drivers, Controllers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 744-A4992KLPTR-T can be used for catalog matching and distributor lookup.
Bipolar Motor Driver DMOS Logic 20-TSSOP-EP
Bipolar Motor Driver DMOS Logic 20-TSSOP-EP
Bipolar Motor Driver DMOS Logic 20-TSSOP-EP
Manufacturer: Allegro MicroSystems, LLC
Win Source Part Number: 1134696-A4992KLPTR-T
Packaging: Reel - TR
Operating Temperature Range: -40°C ~ 150°C (TJ)
Package: 20-TSSOP (0.173", 4.40mm Width) Exposed Pad
Applications: Automotive
Mounting: SMD
Technology: DMOS
Operating Supply Voltage: 3.5 V ~ 50 V
Function: Driver - Fully Integrated, Control and Power Stage
Interface: Step/Direction
Output Configuration: Half Bridge (4)
Voltage - Load: 3.5 V ~ 50 V
Motor Type - Stepper: Bipolar
Step Resolution: 1, 1/2, 1/4, 1/8, 1/16
Family Name: A4992
Categories: Integrated Circuits (ICs)
Manufacturer Homepage: www.allegromicro.com
Manufacturer Package: 20-TSSOP-EP
Alternative Parts (Cross-Reference): L6227N; L6207N; E-L6207N;
Introduction Date: June 25, 2013
ECCN: EAR99
Country of Origin: Philippines
Estimated EOL Date: 2022
Halogen Free: Compliant
Popularity: Medium
Fake Threat In the Open Market: 65 pct.
Supply and Demand Status: Balance
IC MTR DRV BIPLR 3.5-50V 20TSSOP
Bipolar Motor Driver DMOS Logic 20-TSSOP-EP
MOTOR DRIVER, STEPPER, TSSOP-20; Motor Type:Stepper; No. of Outputs:1Outputs; Output Current:-; Output Voltage:-; Driver Case Style:TSSOP; No. of Pins:20Pins; Supply Voltage Min:3.5V; Supply Voltage Max:50V; Product Range:- RoHS Compliant: Yes
IC MTR DRV BIPLR 3.5-50V 20TSSOP
| Allegro MicroSystems Inc. | ERSAELECTRONICS PTE. LTD. | DigiKey | Win Source Electronics | Lingto Electronic Limited | Quarktwin Technology Ltd. | Newark, An Avnet Company | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|---|---|
| Product Category | Stepper Motor Drives | DC Motor Drives | DC Motor Drives | Motion Controllers | Motor Controllers | Motor Controllers | Motor Controllers | Motor Controllers |
| Product Number | A4992KLPTR-T | 744-A4992KLPTR-T | 620-1521-6-ND | 1134696-A4992KLPTR-T | A4992KLPTR-T | A4992KLPTR-T | 07X1282 | A4992KLPTR-T |
| Product Name | Automotive Stepper Motor Driver | Stepper TSSOP Motor Driver IC | Motor Drivers, Controllers | PMIC - PMIC - Motor Drivers, Controllers - A4992KLPTR-T | PMIC - Motor Drivers, Controllers | Motor Drivers, Controllers | Motor Driver, Stepper, Tssop-20; Motor Type Allegro Microsystems | Integrated Circuits (ICs) - Power Management (PMIC) - Motor Drivers, Controllers |
| Configuration | PCB Mount | PCB Mount; "20-TSSOP (0.173"", 4.40mm Width) Exposed Pad" | ||||||
| Operating Temperature | -40 C (-40 F) | -40 to 150 C (-40 to 302 F) | -40 to 150 C (-40 to 302 F) | -40 to 150 C (-40 to 302 F) | ||||
| Communication | Logic | Logic | ||||||
| AC Input | 4 to 50 volts | 4 to 50 volts | 4 to 50 volts |
