AH287P-PLA [ANACHIP]
High Voltage Hall-Effect Smart Fan Motor Controller; 高压霍尔效应智能风扇电机控制器
| 型号： | AH287P-PLA |
| 厂家： | 
ANACHIP CORP |
| 描述： | High Voltage Hall-Effect Smart Fan Motor Controller |
| 文件： | 总7页 (文件大小：167K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
AH287
High Voltage Hall-Effect Smart Fan Motor Controller
Features
General Description
- On chip Hall sensor
AH287 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-locked shutdown
- Automatically restart
- Built-in Zener protection for output driver
- Operating voltage: 3.8V~28V
- Output current: IO(AVE) = 400mA
- Package: SIP-4L, SOT89-5L
To avoid coil burning, rotor-lock shutdown detection
circuit shut down the output driver if the rotor is
blocked and then the automatic recovery circuit will
try to restart the motor. This function repeats while
rotor is blocked. Until the blocking is removed, the
motor recovers running normally.
Pin Assignment
Pin Descriptions
Name
Description
Front View
VCC
Input power
287
DO
Output pin
Output pin
Ground
1 : VCC
2 : DO
DOB
GND
NC
Not connected
3 : DOB
4 : GND
1
2
3
4
SIP-4L
VCC
1
2
NC
5
287
GND
DO 3
4
DOB
SOT89-5L
Ordering Information
AH287 X - X X X
Packing
Wafer Body
Package
P: SIP-4L
Lead
Blank or
L : Lead Free
Blank : Tube or Bulk
A~Z : if necessary
to specify
Y: SOT89-5L Blank: Normal
A
: Tape & Reel
This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of
this product. No rights under any patent accompany the sale of the product.
Rev. 0.1 Jan 17, 2005
1/7
AH287
High Voltage Hall-Effect Smart Fan Motor Controller
Block Diagram (SIP4)
VCC
1
Lock shutdown
and
Automatic recovery
Regulator
2
3
DO
Hall
Plate
Control Logic
Amp.
DOB
4
GND
Typical Application Circuit (SIP4)
D2
24V
VCC
L2
L1
287
D1
1
2
3
4
GND
DOB
C1=1uF
48V
DO
48V
24V brush-less DC fan
Anachip Corp.
www.anachip.com.tw
Rev 0.1 Jan 17, 2005
2/7
AH287
High Voltage Hall-Effect Smart Fan Motor Controller
Absolute Maximum Ratings (Ta = 25°C)
Characteristics
Supply Voltage
Symbol
Rating
Unit
V
VCC
30
400
IO(AVE)
PD
SIP4/SOT89-5
Output Current
mA
IO(PEAK)
700
SIP4
SOT89-5
550
Power Dissipation
mW
800
Operating Temperature
Storage Temperature
Maximum Junction Temp.
Topr
Tstg
Tj
-40 ~ 100
-55 ~ 150
150
°C
°C
°C
°C/W
°C/W
SIP4
SOT89-5
227
156
Thermal Resistance
θjc
Electrical Characteristics (Ta = 25 °C, VCC =24V, unless otherwise specified)
Characteristics
Supply Voltage
Supply current
Output Leakage Current
Locked Protection On
Locked Protection Off
Symbol
Conditions
Min.
Typ. Max. Unit
Vcc
Icc
Ioff
Tlrp-on
Tlrp-off
Operating
Operating
VOUT=24V
3.8
-
-
0.4
2.4
-
-
-
42
-
28*
4.0
10
V
mA
µA
2.0
< 0.1
0.46
2.76
450
680
2.25
55
0.6
3.6
700
800
3.5
65
Sec
Sec
IO=200mA
IO=300mA
IO=200mA
Output saturation voltage
VOUT(sat)
mV
Output On resistance
Rds(on)
Vz
ohm
V
Output Zener-breakdown Voltage
*Note: Please watch out the current limit issue when the operation voltage is over 26.4V, because of the different efficiency in the coil.
Magnetic Characteristics (Ta = 25 °C, VCC = 24V, unless otherwise specified)
(1mT=10 Gauss)
Characteristics
Symbol
Min.
Typ.
Max.
Unit
Operate Point
Release Point
Hysteresis
Bop
Brp
Bhy
10
-60
--
30
-30
60
60
-10
--
Gauss
Gauss
Gauss
Anachip Corp.
www.anachip.com.tw
Rev 0.1 Jan 17, 2005
3/7
AH287
High Voltage Hall-Effect Smart Fan Motor Controller
Operating Characteristics
DOB
DO
24
24
20
16
12
8
RP
ON
OFF
OP
OFF
RP
OP
ON
20
16
12
8
4
4
Vsat
Vsat
Brp
0
Bop
Brp
0
Bop
Magnetic Flux Density in Gauss
Magnetic Flux Density in Gauss
S
S
Marking side
Marking side
N
N
( SIP4 )
( SOT89-5 )
Performance Characteristics (SIP4)
25
50
60
70
80
85
286
130
88
90
264
135
66
95
242
140
44
100
220
150
0
Ta (°C)
Pd (mW)
Ta (°C)
550
105
198
440
110
176
396
115
154
352
120
132
308
125
110
Pd (mW)
Power Dissipation Curve
Pd (mW)
600
500
400
300
200
100
0
0
15
30
45
60
75
90
105
100
120
135
150
Ta (。C)
Anachip Corp.
www.anachip.com.tw
Rev 0.1 Jan 17, 2005
4/7
AH287
High Voltage Hall-Effect Smart Fan Motor Controller
Performance Characteristics (SOT89-5)
25
50
60
70
75
80
85
416
135
96
90
384
140
64
95
352
145
32
100
320
150
0
Ta (°C)
Pd (mW)
Ta (°C)
800
105
288
640
110
256
576
115
224
512
120
192
480
125
160
448
130
128
Pd (mW)
P d ( m W )
P o w e r D is s ip a t io n C u r v e
9 0 0
8 0 0
7 0 0
6 0 0
5 0 0
4 0 0
3 0 0
2 0 0
1 0 0
0
0
2 5
5 0
7 5
1 0 0
1 2 5
1 5 0
T a ( 。 C )
Marking Information
(1)SIP-4L
( Top View )
Blank : normal
Part Number
287
X XX X X
L : Lead Free Package
ID Code
Nth week: 01~52
Year: "1" = 2001
"2" = 2002
(2)SOT89-5L
5
4
ID code
A~Z : Non-Lead Free
287 Y M X
a~z : Lead Free
M : Month: A~L
Y : Year: 0-9
1
2
3
Anachip Corp.
www.anachip.com.tw
Rev 0.1 Jan 17, 2005
5/7
AH287
High Voltage Hall-Effect Smart Fan Motor Controller
Package Information
(1)SIP-4L
Active Area Depth
Package Sensor Location
Marking side
1.97mm
1.04mm
1
2
3
4
0.7mm
Package Dimension
5o
o
-7
14.25mm
+/-1.25mm
1.55mm
+/-0.1mm
0.38mm
3o-5o
1.03mm
+/-0.1
+/-0.03mm
3.65mm
+/-0.1mm
0.30mm
+/-0.1mm
0.41mm
0.46mm
+/-0.03mm
+/-0.03mm
o
5o
3o-5o
-7
1.27mm
+/-0.03mm
0.2mm Max.
1.42mm+/-0.1mm
Anachip Corp.
www.anachip.com.tw
Rev 0.1 Jan 17, 2005
6/7
AH287
High Voltage Hall-Effect Smart Fan Motor Controller
(2) SOT89-5L
A
C
D
F
B
E
K
J
F
L
I
H
G
Package Sensor Location
Y
X
Dimensions In Millimeters
Dimensions In Inches
Symbol
Min.
4.40
4.05
1.50
1.30
2.40
0.80
Nom.
4.50
Max.
4.60
4.25
1.70
1.50
2.60
-
Min.
Nom.
0.177
0.163
0.063
0.055
0.098
-
Max.
A
B
C
D
E
F
G
H
I
0.173
0.159
0.059
0.051
0.094
0.031
0.181
0.167
0.067
0.059
0.102
-
4.15
1.60
1.40
2.50
-
3.00 Ref.
1.50 Ref.
0.46
0.118 Ref.
0.059 Ref.
0.018
0.059
0.015
5o Typ.
0.075
0.065
0.40
1.40
0.35
0.52
1.60
0.43
0.016
0.055
0.014
0.020
0.063
0.017
J
1.50
K
L
0.39
5o Typ.
1.90
X
Y
-
-
-
-
-
-
-
-
1.65
Anachip Corp.
www.anachip.com.tw
Rev 0.1 Jan 17, 2005
7/7
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