A3940KLWTR-T
- Mfr.Part #
- A3940KLWTR-T
- Manufacturer
- Allegro MicroSystems
- Package / Case
- 28-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC MOTOR DRIVER 7V-40V 28SOIC
- Stock
- 37,026
- In Stock :
- 37,026
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Allegro MicroSystems
- Product Category :
- Motor Drivers, Controllers
- Applications :
- Automotive
- Number of Terminations :
- 28
- Output Peak Current Limit-Nom :
- 0.8A
- Base Part Number :
- A3940
- Terminal Form :
- Gull wing
- Package / Case :
- 28-SOIC (0.295, 7.50mm Width)
- JESD-609 Code :
- e3
- Length :
- 17.9mm
- Motor Type - AC, DC :
- Brushed DC
- Height Seated (Max) :
- 2.65mm
- Peak Reflow Temperature (Cel) :
- 260
- Output Configuration :
- Pre-Driver - Half Bridge (2)
- JESD-30 Code :
- R-PDSO-G28
- ECCN Code :
- EAR99
- Voltage - Supply :
- 7V~40V
- High Side Driver :
- yes
- Width :
- 7.5mm
- Interface :
- Parallel
- Output Current :
- 400mA
- Turn On Time :
- 0.225 μs
- Terminal Pitch :
- 1.27mm
- Operating Temperature :
- -40°C~135°C TA
- Published :
- 2009
- Packaging :
- Tape and Reel (TR)
- Mounting Type :
- Surface Mount
- Terminal Finish :
- Matte Tin (Sn)
- Mount :
- Surface Mount
- Number of Outputs :
- 4
- Turn Off Time :
- 0.225 μs
- Qualification Status :
- Not Qualified
- Lead Free :
- Lead Free
- Function :
- Controller - Commutation, Direction Management
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Supply Voltage :
- 15V
- Terminal Position :
- Dual
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- RoHS Status :
- ROHS3 Compliant
- Datasheets
- A3940KLWTR-T

Motor Drivers, Controllers Allegro MicroSystems A3940KLWTR-T Overview
The Motor Drivers, Controllers Allegro MicroSystems A3940KLWTR-T is a high-performance integrated circuit specifically designed for motor control applications. Engineered by Allegro MicroSystems, a leader in motor driver technologies, this IC facilitates precise and efficient control of motors within a wide voltage range of 7V to 40V. Its robust design encapsulated in a 28SOIC package makes it ideal for demanding applications that require reliable operation and durability. The versatility and high functionality of the A3940KLWTR-T make it an essential component for manufacturers looking to enhance system performance and reliability.
A3940KLWTR-T Features
The A3940KLWTR-T motor driver boasts a variety of features designed to optimize motor control performance. These include a wide operating voltage range of 7V to 40V, which provides flexibility across different power environments. Additionally, the device integrates advanced protection features such as thermal shutdown and under-voltage lockout, ensuring safe operation under adverse conditions. The IC also supports high-efficiency operation with its low on-resistance outputs, minimizing power loss and improving overall system efficiency.
A3940KLWTR-T Applications
- Automotive Systems: Utilized in electric power steering and power window systems, where its robust handling of high voltage and currents enhances performance and reliability.
- Industrial Automation: Ideal for driving motors in automated machinery and robotics, providing reliable and precise control necessary for complex industrial tasks.
- Consumer Electronics: Used in appliances such as washing machines and dryers, where efficient motor control is crucial for energy saving and operational effectiveness.
- Office Automation Equipment: Powers printers and scanners, improving the handling and efficiency through smooth and reliable motor operations.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















