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HomeProductsIntegrated Circuits (ICs)PMIC - Motor Drivers, ControllersA3921KLPTR-T
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A3921KLPTR-T - Allegro MicroSystems

Manufacturer Part Number
A3921KLPTR-T
Manufacturer
Allegro MicroSystems
Allelco Part Number
32D-A3921KLPTR-T
ECAD Model
Parts Description
IC MOTOR DRIVER 5.5V-50V 28TSSOP
Detailed Description
Package
28-TSSOP (0.173', 4.40mm Width) Exposed Pad
Data sheet
Cylindrical Battery Holders.pdf
RoHs Status
ROHS3 Compliant
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Specifications

A3921KLPTR-T Tech Specifications
Allegro MicroSystems - A3921KLPTR-T technical specifications, attributes, parameters and parts with similar specifications to Allegro MicroSystems - A3921KLPTR-T

Product Attribute Attribute Value  
Manufacturer Allegro MicroSystems  
Voltage - Supply 5.5V ~ 50V  
Voltage - Load -  
Technology Power MOSFET  
Supplier Device Package 28-TSSOP-EP  
Step Resolution -  
Series -  
Package / Case 28-TSSOP (0.173', 4.40mm Width) Exposed Pad  
Package Tape & Reel (TR)  
Output Configuration Pre-Driver - Half Bridge (2)  
Product Attribute Attribute Value  
Operating Temperature -40°C ~ 150°C (TA)  
Mounting Type Surface Mount  
Motor Type - Stepper -  
Motor Type - AC, DC Brushed DC  
Interface PWM  
Function Controller - Commutation, Direction Management  
Current - Output -  
Base Product Number A3921  
Applications Automotive  

Parts Introduction

Manufacturer Part Number

A3921KLPTR-T

Manufacturer

Allegro Microsystems

Introduction

The A3921KLPTR-T is a power management integrated circuit specifically designed for motor driving applications.

Product Features and Performance

Brushed DC Motor Controller

Integrated Power MOSFET technology

PWM Interface support

Product Advantages

Tailored for high-temperature automotive environments

Flexible supply voltage range from 5.5V to 50V

Reliability in demanding applications

Key Technical Parameters

Half Bridge Output Configuration

Automotive Grade Product

Supports commutation and direction management of brushed DC motors

Quality and Safety Features

Operates in a wide temperature range from -40°C to 150°C

Designed to meet automotive quality standards

Compatibility

Surface Mount technology for PCB assembly

28-TSSOP Exposed Pad Package compatible with standardized surface mount processes

Application Areas

Specific applications not provided, but suited for automotive and industrial motor control systems given its specifications

Product Lifecycle

Status: Active

No indication of discontinuation, replacements, or upgrades mentioned

Several Key Reasons to Choose This Product

Optimized for automotive applications due to high-temperature operation capability

Versatile voltage support fits various design needs

Robust Power MOSFET technology enabling efficient power management

Surface Mount 28-TSSOP-EP package for ease of manufacturing and assembly

Active product status ensures ongoing support and availability

Parts with Similar Specifications

The three parts on the right have similar specifications to Allegro MicroSystems A3921KLPTR-T

Product Attribute A3921KLPTR-T A3916GESTR-T A3922KLPTR-T A3931KJPTR-T
Part Number A3921KLPTR-T A3916GESTR-T A3922KLPTR-T A3931KJPTR-T
Manufacturer Allegro MicroSystems Allegro MicroSystems Allegro MicroSystems Allegro MicroSystems
Package / Case 28-TSSOP (0.173', 4.40mm Width) Exposed Pad 16-WFQFN Exposed Pad 28-TSSOP (0.173", 4.40mm Width) Exposed Pad 48-LQFP Exposed Pad
Output Configuration Pre-Driver - Half Bridge (2) Half Bridge (4) Pre-Driver - Half Bridge (2) Pre-Driver - Half Bridge (3)
Series - - - -
Current - Output - 1A - -
Step Resolution - 1, 1/2 - -
Motor Type - Stepper - Bipolar - -
Base Product Number A3921 A3916 A3922 A3931
Voltage - Load - 2.7V ~ 15V - -
Operating Temperature -40°C ~ 150°C (TA) -40°C ~ 150°C (TJ) -40°C ~ 150°C (TA) -40°C ~ 150°C (TA)
Technology Power MOSFET DMOS NMOS Power MOSFET
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Motor Type - AC, DC Brushed DC Brushed DC Brushed DC Brushless DC (BLDC)
Interface PWM Parallel SPI Parallel
Function Controller - Commutation, Direction Management Driver - Fully Integrated, Control and Power Stage Controller - Commutation, Direction Management Controller - Commutation, Direction Management
Applications Automotive General Purpose Automotive Automotive
Supplier Device Package 28-TSSOP-EP 16-QFN/MLP (3x3) 28-TSSOP-EP 48-LQFP-EP (7x7)
Voltage - Supply 5.5V ~ 50V 2.7V ~ 15V 5.5V ~ 50V 5.5V ~ 50V
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)

A3921KLPTR-T Datasheet PDF

Download A3921KLPTR-T pdf datasheets and Allegro MicroSystems documentation for A3921KLPTR-T - Allegro MicroSystems.

PCN Packaging
Tape Change 27/Jan/2023.pdf
HTML Datasheet
Cylindrical Battery Holders.pdf
PCN Assembly/Origin
2.73KHz.pdf

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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A3921KLPTR-T Image

A3921KLPTR-T

Allegro MicroSystems
32D-A3921KLPTR-T

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