A1441SELLT-T View Datasheet(PDF) - Allegro MicroSystems

Part Name

Description

MFG CO.

A1441SELLT-T

Low-Voltage Full-Bridge Brushless DC Motor Driver with Hall Element Commutation

Allegro MicroSystems 

1 2 3 4

A1441

Low-Voltage Full-Bridge Brushless DC Motor

Driver with Hall Element Commutation

Description (continued)

The small package outlines and low profiles make this device

ideally suited for use in applications where printed circuit board

area and component headroom are at a premium. It is available in

a lead (Pb) free (leadframe plating 100% matte tin) 6-pin surface

mount MLP (microleadframe: DFN) package, with exposed pad

for enhanced thermal dissipation.

Selection Guide

Part Number

Package

Packing1

A1441EELLT-T MLP 2×2 mm; 0.50 mm nom. height

A1441SEKLT-T2

1For additional packing options, contact Allegro.

3000 pieces/ 7-in. reel

2These variants are in production but have been determined to be NOT FOR NEW DESIGN. This classifi-

cation indicates that sale of this device is currently restricted to existing customer applications. The device

should not be purchased for new design applications because obsolescence in the near future is probable.

Samples are no longer available. Status change: May 1, 2006.

Absolute Maximum Ratings

Characteristic

Supply Voltage

Reverse Battery Voltage

Output Voltage

Control Input Voltage

Load Current

Magnetic Flux Density

Operating Ambient Temperature

Maximum Junction

Storage Temperature

Symbol

VDD

VRDD

VOUT

VIN(High)

ILOAD

B

TA

TJ(max)

Tstg

Notes

Positive ILOAD flow is from VOUT1 to VOUT2

Range E

Pin-out Diagram

Rating

5.0 V

–0.3 V

–0.3 V to VDD + 0.3 V

–0.3 V to VDD + 0.3 V

±150 mA

Unlimited

–40ºC to 85ºC

165ºC

–65ºC to 170ºC

VDD 1

SLEEP 2

6 VOUT2

Sleep

Mode

Control

Drive

Control

Driver

5 VOUT1

NC 3

4 GND

Terminal List Table

Name

VDD

¯S¯ ¯L¯ ¯E¯ ¯E¯ ¯P¯

NC

GND

VOUT1

VOUT2

Number

EL Package

1

2

3

4

5

6

Function

Supply voltage

Toggle Sleep/Enabled modes

No connection

Ground

First output

Second output

Allegro MicroSystems, Inc.

2

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

www.allegromicro.com

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