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AH286-PL-7

HALL-EFFECT SMART FAN MOTOR CONTROLLER

Diodes Incorporated. 

AH286

HALL-EFFECT SMART FAN MOTOR CONTROLLER

Features

• On chip Hall sensor

• Rotor-locked shutdown

• Automatically restart

• Rotor-state detection (RD) output

• Built-in Zener protection for output driver

• Operating voltage: 3.8V~20 V

• Output current: IO(AVE) = 500mA for SOT89-5L

• Lead Free Packages: SIP-5L and SOT89-5L

General Description

AH286 is a monolithic fan motor controller with Hall sensor’s

capability. It contains two complementary open-drain transistors

for motor’s coil driving, automatic lock current shutdown, and

recovery protections. In addition, rotor-state detection (RD)

output is for Rotor-state detection.

Rotor-lock shutdown detection circuit turns off the output driver

when the rotor is blocked to avoid coil overheat. Then, the

automatic recovery circuit will restart the motor. These protected

actions are repeated and periodic during the blocked period. Until

the blocking is removed, the motor recovers and runs normally.

Ordering Information

AH286 - X X X

Package

P : SIP-5L

Y : SOT89-5L

Lead-Free

Packing

L : Lead-Free

-B : Bulk

-7/-13 : Taping

Note: 1. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see EU Directive Annex Notes 5 and 7.

Device

Package

Code

Packaging

Tube/Bulk

Quantity Part Number Suffix

AH286-P

P

SIP-5

1000

-B

Lead-free

AH286-Y

Y

SOT89-5

NA

NA

Lead-free

7” Tape and Reel

Quantity

Part Number Suffix

NA

NA

2500/Tape & Reel

-13

Note: 2. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at

http://www.diodes.com/datasheets/ap02001.pdf.

AH286 Rev. 4

1 of 10

www.diodes.com

JANUARY 2007

© Diodes Incorporated

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