A3940KLPTR-T
- Mfr.Part #
- A3940KLPTR-T
- Manufacturer
- Allegro MicroSystems
- Package / Case
- 28-TSSOP (0.173, 4.40mm Width) Exposed Pad
- Datasheet
- Download
- Description
- IC MOTOR DRIVER 7V-40V 28TSSOP
- Stock
- 9,565
- In Stock :
- 9,565
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- Manufacturer :
- Allegro MicroSystems
- Product Category :
- Motor Drivers, Controllers
- Output Current :
- 400mA
- Number of Drivers :
- 4
- Peak Reflow Temperature (Cel) :
- NOT SPECIFIED
- Rise Time :
- 90ns
- Terminal Finish :
- Matte Tin (Sn)
- Applications :
- Automotive
- Length :
- 9.7mm
- Voltage - Supply :
- 7V~40V
- Motor Type - AC, DC :
- Brushed DC
- JESD-609 Code :
- e3
- Fall Time (Typ) :
- 70 ns
- Base Part Number :
- A3940
- Height Seated (Max) :
- 1.2mm
- Operating Temperature :
- -40°C~135°C TA
- Terminal Pitch :
- 0.65mm
- Mounting Type :
- Surface Mount
- RoHS Status :
- ROHS3 Compliant
- Function :
- Controller - Commutation, Direction Management
- Number of Terminations :
- 28
- Output Peak Current Limit-Nom :
- 0.8A
- Lead Free :
- Lead Free
- Turn Off Time :
- 0.225 μs
- Propagation Delay :
- 225 ns
- Terminal Form :
- Gull wing
- Terminal Position :
- Dual
- Qualification Status :
- Not Qualified
- ECCN Code :
- EAR99
- Package / Case :
- 28-TSSOP (0.173, 4.40mm Width) Exposed Pad
- Published :
- 2009
- Interface :
- Parallel
- High Side Driver :
- yes
- Supply Voltage :
- 15V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Packaging :
- Tape and Reel (TR)
- Mount :
- Surface Mount
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Turn On Time :
- 0.225 μs
- Pbfree Code :
- yes
- Output Configuration :
- Pre-Driver - Half Bridge (2)
- Number of Pins :
- 28
- Datasheets
- A3940KLPTR-T

Motor Drivers, Controllers Allegro MicroSystems A3940KLPTR-T Overview
The Motor Drivers, Controllers Allegro MicroSystems A3940KLPTR-T is a sophisticated IC motor driver designed to efficiently manage power and control in motor-driven applications. This component supports a voltage range from 7V to 40V and is encapsulated in a 28-TSSOP package, making it highly versatile for a variety of demanding environments. With its advanced technology and Allegro MicroSystems' proven engineering expertise, the A3940KLPTR-T provides robust solutions for controlling brushless DC, stepper, and other types of motors with precision and reliability.
A3940KLPTR-T Features
The A3940KLPTR-T motor driver IC stands out with its high-voltage operation capabilities and integrated features designed for superior motor control. Key features include thermal shutdown protection, under-voltage lockout, and cross-conduction protection, which collectively ensure safe and efficient operation. Additionally, the IC is designed for easy implementation into systems with minimal external components, providing a compact, cost-effective solution for motor control applications.
A3940KLPTR-T Applications
- Automotive Applications: Utilized in electronic power steering, fuel pumps, and cooling fans, where reliability and performance under variable environmental conditions are critical.
- Industrial Automation: Employed in conveyor belts and automated guided vehicles (AGVs) for precise speed and position control, enhancing efficiency and safety in manufacturing environments.
- Consumer Electronics: Integrated into drones and robotic vacuum cleaners, providing smooth and efficient motor control, essential for consumer satisfaction and device longevity.
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