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A3940KLPTR-T

A3940KLPTR-T

A3940KLPTR-T

Allegro MicroSystems

Motor Drivers 28 15V V 9.7mm mm

SOT-23

A3940KLPTR-T Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 28-TSSOP (0.173, 4.40mm Width) Exposed Pad
Number of Pins 28
Operating Temperature-40°C~135°C TA
PackagingTape & Reel (TR)
Published 2009
JESD-609 Code e3
Pbfree Code yes
Part StatusObsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 28
ECCN Code EAR99
Terminal Finish Matte Tin (Sn)
Applications Automotive
Voltage - Supply 7V~40V
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) NOT SPECIFIED
Supply Voltage 15V
Terminal Pitch0.65mm
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Base Part Number A3940
Function Controller - Commutation, Direction Management
Qualification StatusNot Qualified
Interface Parallel
Output Configuration Pre-Driver - Half Bridge (2)
Output Current400mA
Propagation Delay225 ns
Rise Time90ns
Fall Time (Typ) 70 ns
Number of Drivers 4
Turn On Time0.225 μs
Output Peak Current Limit-Nom 0.8A
High Side Driver YES
Turn Off Time 0.225 μs
Motor Type - AC, DC Brushed DC
Length 9.7mm
Height Seated (Max) 1.2mm
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:1889 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$0.808738$0.808738
10$0.762960$7.6296
100$0.719774$71.9774
500$0.679032$339.516
1000$0.640596$640.596

A3940KLPTR-T Product Details

A3940KLPTR-T Overview


The package contains [0].There is 28-TSSOP (0.173, 4.40mm Width) Exposed Pad case included with the part.A mounting position of Surface Mountis recommended for the part.Fits the component connected to Automotive.There is a possibility of providing 7V~40Vvolts through the device.In terms of operating temperature, it falls within the range -40°C~135°C TA.A motor of this type can be categorized as Brushed DC.In this part, there are 28 terminations available.Drivers controllers is recommended that this amplifier be run at 15V.There is Surface Mount recommended mounting method for this device.Using the A3940part number, it is located.There are 28 pins on it.Featuring a 400mAoutput current, this device provides maximum design flexibility.Currently, it is equipped with 4 drivers.

A3940KLPTR-T Features


Applications : Automotive
base on A3940 number
with 4 Drivers


A3940KLPTR-T Applications


There are a lot of Allegro MicroSystems
A3940KLPTR-T motor drivers applications.


  • Hospitality buildings
  • Smart lighting applications
  • Automotive applications
  • Dome
  • Dash
  • Footwell lighting
  • Indicator
  • Telltale lights
  • Infotainment backlighting
  • Tail lights

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