Low-Voltage Full-Bridge Brushless DC Motor

Driver with Hall Element Commutation

A1441

2

Allegro MicroSystems, Inc.

115 Northeast Cutoff, Box 15036

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

www.allegromicro.com

2

3

1

5

4

6

VDD

SLEEP

NC

VOUT2

VOUT1

GND

Control

Drive

Control

Sleep

Mode

Driver

Terminal List Table

Name

Number

Function

EL Package

VDD

1

Supply voltage

¯S¯¯L¯¯E¯¯E¯¯P¯

2

Toggle Sleep/Enabled modes

NC

3

No connection

GND

4

Ground

VOUT1

5

First output

VOUT2

6

Second output

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.

Pin-out Diagram

Absolute Maximum Ratings

Characteristic

Symbol

Notes

Rating

Supply Voltage

5.0 V

Reverse Battery Voltage

–0.3 V

Output Voltage

Control Input Voltage

Load Current

±150 mA

Magnetic Flux Density

B

Unlimited

Operating Ambient Temperature

Range E

–40ºC to 85ºC

Maximum Junction

165ºC

Storage Temperature

–65ºC to 170ºC

Selection Guide

Part Number

Package

A1441EELLT-T

MLP 2×2 mm; 0.50 mm nom. height

3000 pieces/ 7-in. reel

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.

Description (continued)