A3940KLW
- Mfr.Part #
- A3940KLW
- Manufacturer
- Allegro MicroSystems
- Package / Case
- 28-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC MOTOR DRIVER 7V-40V 28SOIC
- Stock
- 36,103
- In Stock :
- 36,103
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Allegro MicroSystems
- Product Category :
- Motor Drivers, Controllers
- Supply Voltage :
- 15V
- Motor Type - AC, DC :
- Brushed DC
- Published :
- 2008
- Peak Reflow Temperature (Cel) :
- 240
- Package / Case :
- 28-SOIC (0.295, 7.50mm Width)
- Terminal Position :
- Dual
- Turn On Time :
- 0.225 μs
- Output Peak Current Limit-Nom :
- 0.8A
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Applications :
- Automotive
- Voltage - Supply :
- 7V~40V
- Output Configuration :
- Pre-Driver - Half Bridge (2)
- Rise Time :
- 90ns
- Number of Drivers :
- 4
- Operating Temperature :
- -40°C~135°C TA
- Number of Terminations :
- 28
- Packaging :
- Tube
- Lead Free :
- Contains Lead
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- Fall Time (Typ) :
- 70 ns
- Height Seated (Max) :
- 2.65mm
- Propagation Delay :
- 225 ns
- Interface :
- Parallel
- Number of Pins :
- 28
- Turn Off Time :
- 0.225 μs
- Base Part Number :
- A3940
- Mounting Type :
- Surface Mount
- Width :
- 7.5mm
- Qualification Status :
- Not Qualified
- ECCN Code :
- EAR99
- JESD-609 Code :
- e0
- High Side Driver :
- yes
- Time@Peak Reflow Temperature-Max (s) :
- 30
- RoHS Status :
- Non-RoHS Compliant
- Terminal Pitch :
- 1.27mm
- Mount :
- Surface Mount
- Length :
- 17.9mm
- Terminal Form :
- Gull wing
- Function :
- Controller - Commutation, Direction Management
- Datasheets
- A3940KLW

Motor Drivers, Controllers Allegro MicroSystems A3940KLW Overview
Introducing the cutting-edge Motor Drivers and Controllers from Allegro MicroSystems, featuring the A3940KLW. Engineered with precision and reliability in mind, this integrated circuit (IC) motor driver sets the standard for performance and efficiency in diverse industrial applications. Designed to operate within a wide voltage range of 7V to 40V, the A3940KLW empowers your systems with seamless motor control, ensuring smooth operation and enhanced productivity.
Whether you're optimizing production lines or enhancing automation processes, the Allegro MicroSystems A3940KLW delivers unparalleled functionality and versatility, making it the preferred choice for B2B clients seeking top-tier solutions for their motor control needs.
A3940KLW Features
- Wide voltage range: Operates from 7V to 40V, ensuring compatibility with various power sources.
- High-performance motor control: Delivers precise and efficient motor control for industrial applications.
- Integrated design: Compact 28SOIC package integrates essential components for streamlined installation and space-saving benefits.
- Enhanced reliability: Robust design ensures long-term durability and consistent performance in demanding environments.
- Advanced protection features: Built-in safeguards protect against overcurrent, overtemperature, and reverse voltage, ensuring system integrity and longevity.
A3940KLW Applications
- Industrial automation systems: The A3940KLW drives motors in manufacturing equipment, assembly lines, and robotic systems, optimizing efficiency and productivity in industrial settings.
- Automotive electronics: Integrated into automotive systems, the A3940KLW controls various motors for applications such as power windows, seat adjustment, and HVAC systems, enhancing driver comfort and convenience.
- Consumer electronics: From home appliances to entertainment devices, the A3940KLW provides precise motor control for applications such as fans, pumps, and motorized mechanisms, improving performance and user experience.
- Medical equipment: Utilized in medical devices and diagnostic instruments, the A3940KLW ensures reliable motor control for precise movement and operation, contributing to the accuracy and effectiveness of medical procedures.
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.
















