EN
  • EN
  • DE
loading
Mfr. Part No. Qty. Price

No items in the cart

View Cart
Same model may have multiple batches, images only for reference.
A3940KLW-T Real Image
Same model may have multiple batches, images only for reference.

A3940KLW-T

Part No A3940KLW-T
Manufacturer Allegro MicroSystems, LLC
Catalog PMIC - Gate Drivers
Description IC MOTOR DRIVER 7V-40V 28SOIC  /  Motor Driver Power MOSFET Parallel 28-SOIC
Datasheet
A3940KLW-T Datasheet
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Category Integrated Circuits (ICs)>PMIC - Motor Drivers, Controllers
Mfr Allegro MicroSystems
Package Tube
Product Status Obsolete
Motor Type - AC, DC Brushed DC
Function Controller - Commutation, Direction Management
Output Configuration Pre-Driver - Half Bridge (2)
Interface Parallel
Technology Power MOSFET
Applications Automotive
Voltage - Supply 7V ~ 40V
Temperature Range - Operating -40°C ~ 135°C (TA)
Mounting SMD (SMT)
Package / Case 28-SOIC (0.295", 7.50mm Width)
Supplier Device Package 28-SOIC
Base Product Number A3940
MSL Level 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001
Other Names 620-1059
Standard Package 27
Win Source Part Number 1042156-A3940KLW-T
Ultra Librarian 3D Model Ultra Librarian A3940KLW-T CAD Model

Description

The A3940KLW-T is a Power MOSFET technology-based Integrated Circuit (IC) Controller designed for commutation and direction management of brushed DC motors.

  • Manufacturer: Allegro MicroSystems
  • Application: Automotive
  • Supply Voltage Range: 7V to 40V
  • Output Configuration: Pre-driver half-bridge with two outputs
  • Motor Type: Brushed DC
  • Temperature Range: -40°C to 135°C (TA)
  • Package: 28-SOIC (0.295", 7.50mm Width)
  • Product Status: Obsolete

You May Also Be Interested in

IXDI630MYI IXYS – Price, Stock & Datasheet
IXDI630MYI
IXYS
IC GATE DRVR LOW-SIDE TO263-5
Need more? Email Us
ISO1H816G Infineon Technologies – Price, Stock & Datasheet
ISO1H816G
Infineon Technologies
ISO1H816G Infineon Technologies Gate Drivers DRIVER IC'S datasheet, inventory, & pricing.
Lowest to $14.6617
1EDI60N12AF Infineon Technologies – Price, Stock & Datasheet
1EDI60N12AF
Infineon Technologies
1EDI60N12AF Infineon Technologies Gate Drivers 1200V Isolated 1-CH, 9.4A, SEP Output datasheet, inventory, & pricing.
Lowest to $1.1933
MIC44F20YMME-TR Microchip Technology – Price, Stock & Datasheet
MIC44F20YMME-TR
Microchip Technology
IC GATE DRVR LOW-SIDE 8MSOP
Need more? Email Us
Picture of TC4469EOE
TC4469EOE
Microchip Technology
IC GATE DRVR LOW-SIDE 16SOIC
Lowest to $12.1018
MAX5048CAUT+ Analog Devices Inc. – Price, Stock & Datasheet
MAX5048CAUT+
Analog Devices Inc.
4V~14V 7A 3A SOT-23-6 Gate Drivers RoHS
Lowest to $2.3459
TC4421AVMF Microchip Technology – Price, Stock & Datasheet
TC4421AVMF
Microchip Technology
IC GATE DRVR LOW-SIDE 8DFN
Need more? Email Us
TF2184M-TAH TF Semiconductor Solutions – Price, Stock & Datasheet
TF2184M-TAH
TF Semiconductor Solutions
10V~20V 4.5A 4.5A SOIC-8 Gate Drivers RoHS
Lowest to $0.8211
Picture of ISL89160FBEAZ
ISL89160FBEAZ
Intersil
AND GATE BASED MOSFET DRIVER
Need more? Email Us

Top Sellers

BME280 Real Image
BME280
Bosch Sensortec
SENSOR PRESSURE HUMIDITY TEMP
Lowest to $4.0391
BMI160 real image
BMI160
Bosch Sensortec
IMU ACCEL/GYRO I2C/SPI 14LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $3.6828
DRV8432DKD Real Image1
DRV8432DKD
Texas Instruments
IC BRIDGE DRIVER PAR 36HSSOP
Lowest to $19.3374
ULN2803ADWR real image9675
ULN2803ADWR
Texas Instruments
TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.2271
PE4312C-Z label picture
PE4312C-Z
Peregrine Semiconductor
RF ATTENUATOR 31.5DB 50OHM 20QFN
Lowest to $1.6632
NTA4153NT1G real image4110
NTA4153NT1G
ON Semiconductor
MOSFET N-CH 20V 915MA SOT-416
Lowest to $0.0543
BM04B-GHS-TBT(LF)(SN)(N) label picture
BM04B-GHS-TBT(LF)(SN)(N)
JST Sales America Inc.
CONN HEADER GH TOP 4POS 1.25MM
Lowest to $0.1782
FT232RL-REEL Real Image
FT232RL-REEL
FTDI, Future Technology Devices International Ltd
IC USB FS SERIAL UART 28-SSOP
Lowest to $5.7023
BMI088 real image23913
BMI088
Bosch Sensortec
ACCELEROMETER 16LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $15.1412
BAS516 Real Image
BAS516
Nexperia USA Inc.
DIODE GEN PURP 100V 250MA SOD523
Lowest to $0.0357
CY7C68013A-128AXC Real Image
CY7C68013A-128AXC
Cypress Semiconductor Corp
IC MCU USB PERIPH HI SPD 128LQFP
Lowest to $19.0076
SSD1963QL9 real image6483
SSD1963QL9
Solomon
LCD Display Controller 128-Pin LQFP Tray
Lowest to $4.5619
FT230XS-U real image21586
FT230XS-U
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $5.8211
FT230XS-R real image4301
FT230XS-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $5.8211
PI3740-00-LGIZ real image
PI3740-00-LGIZ
Vicor Corporation
DC DC CONVERTER 10-50V / 8V – 60VIN , 10V – 50VOUT , 50 – 140W Cool-Power ZVS Buck-Boost Regulator
Lowest to $41.3948
Availability: Check Availability & Quote
Notify Me When Available

Shipping Information

Shipped from HK warehouse
Expected Shipping Date Get an estimate

Contact Us

*
*
*

FRAUD PREVENTION REMINDERS

Recently, We have discovered that criminals falsely claimed to be WIN SOURCE to commit fraud. Please note that the only official website & email suffix are win-source.group, win-source.net, winsourcectl.com and winsourceelec.com

More details about fraud prevention
About Us
Customer Service
Solutions
Copyright © 2026 WIN SOURCE. All rights reserved.
For detailed contact information and office addresses in our key locations, including Irvine, Munich, Toronto, Singapore, Seoul, Bangalore, Bologna, Yamanashi, Hong Kong, and Mainland China, please visit our website.
Trust Guard Security Scanned
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess