AH284-PL-B Diodes Zetex, AH284-PL-B Datasheet

IC HALL FAN CTRLR 500MA 4-SIP

AH284-PL-B

Manufacturer Part Number
AH284-PL-B
Description
IC HALL FAN CTRLR 500MA 4-SIP
Manufacturer
Diodes Zetex
Datasheets

Specifications of AH284-PL-B

Applications
Fan Controller, Brushless (BLDC)
Number Of Outputs
1
Current - Output
500mA
Voltage - Supply
3.8 V ~ 20 V
Operating Temperature
-40°C ~ 100°C
Mounting Type
Through Hole
Package / Case
4-SIP
Operating Temperature Classification
Industrial
Package Type
SIP
Operating Supply Voltage (min)
3.8V
Operating Supply Voltage (max)
20V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Load
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Compliant
Other names
AH284-PL-BDI

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AH284-PL-B
Quantity:
7 462
Features
Typical Application Circuit
AH284 Rev. 10
DS31051
12V
On Chip Hall Sensor
Rotor-Locked Shutdown
Automatically Restart
Built-in Zener Protection for Output Driver
Operating Voltage: 3.8V~20 V
Output Current: I
Lead Free Packages: SIP-4L and SOT89-5L (Note 1)
SIP-4L: Available in “Green” Molding Compound
Lead Free Finish/RoHS Compliant (Note 2)
(No Br, Sb)
Note: R1, R2: typical 56 Ohm.
D3
C1, C2, C3: typical 2.2µF, E-Cap. is recommended.
The R, C value need to be fine tuned based on coils design .
D3 is a Zener diode, not to exceed the absolute maximum
rating voltage.
O(AVE)
= 500mA for SIP-4L/SOT89-5L
V
dd
D1
C3
1
12V Brush-Less DC Fan
D2
HALL-EFFECT SMART FAN MOTOR CONTROLLER
DO
www.diodes.com
2
284
1 of 11
3
4
General Description
AH284 is a monolithic fan motor controller with Hall sensor’s
capability. It contains two complementary open-drain drivers for
motor’s coil driving, automatic lock shutdown and restart function
relatively.
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.
GND
DOB
R1
C1
L2
©
Diodes Incorporated
AH284
JULY 2009
C2
R2
L1

Related parts for AH284-PL-B

AH284-PL-B Summary of contents

Page 1

... AH284 Rev. 10 DS31051 HALL-EFFECT SMART FAN MOTOR CONTROLLER General Description AH284 is a monolithic fan motor controller with Hall sensor’s capability. It contains two complementary open-drain drivers for motor’s coil driving, automatic lock shutdown and restart function relatively. Rotor-lock shutdown detection circuit turns off the output driver when the rotor is blocked to avoid coil overheat ...

Page 2

... Ordering Information Package P : SIP- SOT89-5L Package Packaging Device Code AH284-PL-B P Lead-free AH284-PG-B P AH284-YL-13 Y SOT89-5L Lead-free Notes: 1. SOT89-5L is available in “Lead Free” product only Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at http://www.diodes.com/products/lead_free.html. 3. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at http://www ...

Page 3

... DO Output Pin DOB Output Pin GND Ground NC Not Connected Block Diagram V dd Regulator Hall Plate Amp. AH284 Rev. 10 DS31051 HALL-EFFECT SMART FAN MOTOR CONTROLLER Lock Shutdown and Automatic Recovery Control Logic GND www.diodes.com AH284 DO DOB JULY 2009 © Diodes Incorporated ...

Page 4

... Notes: 5. should be confirmed with what heat sink thermal resistance heat sink contacting, JA Recommended Operating Conditions Symbol Characteristic V Supply Voltage dd T Operating Ambient Temperature A AH284 Rev. 10 DS31051 HALL-EFFECT SMART FAN MOTOR CONTROLLER (T = 25°C) A Characteristics SIP- (AVE) SOT89- (PEAK) SIP-4L SOT89-5L ...

Page 5

... Vz Output Zener-Breakdown Voltage Truth Table IN- IN Magnetic Characteristics Symbol Characteristics Bop Operation Point Brp Release Point Bhy Hysteresis AH284 Rev. 10 DS31051 HALL-EFFECT SMART FAN MOTOR CONTROLLER = 25 ° =12V, unless otherwise specified Conditions Operating Operating V = 24V OUT I = 300mA 500mA 300mA O OUT1 OUT2 ...

Page 6

... Operating Characteristics DOB Brp 0 Bop Magnetic Flux Density in Gauss ( SIP-4L ) AH284 Rev. 10 DS31051 HALL-EFFECT SMART FAN MOTOR CONTROLLER OFF OFF SAT SAT Magnetic Flux Density in Gauss S S Marking Marking side SOT89- www.diodes.com AH284 Brp 0 Bop side JULY 2009 © Diodes Incorporated ...

Page 7

... P (mW) D 105 110 T (°C) A 288 256 P (mW 900 800 700 600 500 400 300 200 100 AH284 Rev. 10 DS31051 HALL-EFFECT SMART FAN MOTOR CONTROLLER 440 396 352 308 110 115 120 125 176 154 132 110 issipation C urve 576 512 480 ...

Page 8

... Marking Information (1) SIP-4L Part Number (2) SOT89-5L ( Top View ) 5 284 AH284 Rev. 10 DS31051 HALL-EFFECT SMART FAN MOTOR CONTROLLER ( Top View ) Y : Year : 0~9 284 WW : Week : 01~52, " 52" represents and 53 week X : Internal Code : A~Z : Green Year : 0 Week : A~Z : 1~26 week; a~z : 27~52 week; ...

Page 9

... Package Information (1) Package type: SIP-4L 0.7 mm Active Area Depth Package Dimension AH284 Rev. 10 DS31051 HALL-EFFECT SMART FAN MOTOR CONTROLLER (All Dimensions in mm) Marking side 1.95 士 0.1mm 1.1 士 0.1mm www.diodes.com AH284 Sensor Location JULY 2009 © Diodes Incorporated ...

Page 10

... Package Information (2) Package type: SOT89-5L Sensor Location AH284 Rev. 10 DS31051 HALL-EFFECT SMART FAN MOTOR CONTROLLER (Continued www.diodes.com AH284 JULY 2009 © Diodes Incorporated ...

Page 11

... Customers must fully indemnify Diodes Incorporated and its representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems. Copyright © 2009, Diodes Incorporated www.diodes.com AH284 Rev. 10 DS31051 HALL-EFFECT SMART FAN MOTOR CONTROLLER IMPORTANT NOTICE ...

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