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Электронный компонент: APX9141BEE-TRL

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Copyright
ANPEC Electronics Corp.
Rev. A.7 - Apr., 2004
APX9141
www.anpec.com.tw
1
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise
customers to obtain the latest version of relevant information to verify before placing orders.
Hall Effect Sensor IC with Reverse Voltage Protection
The APX9141 is an integrated Hall Effect Sensor
IC designed for electric commutation of DC
brushless motor applications. The APX9141 still can
operate at as low as 3 volts. The APX9141 is avail-
able in low cost TO -92M4 package with 3 different
magnetic ranks.
Pin Description
Ordering Information
Features
General Description
Applications


Brushless DC Fan


Revolution Counting


Brushless DC Motor


Speed Measurement


On-chip Reverse Voltage Protection


On-chip Hall Sensor


Low Operating Supply Voltage : 3 V


High Output Sinking Capability up to 400mA


Versatile sensitivity and hysteresis setting


Reliable and Rugged


4 pin TO-92M Package
A P X 9 1 4 1
1 : V
D D
2
3
2 : DO
1
3 : DOB
4
4 : GND
Front View
A P X 9 1 4 1
M a g n e tic R a n k
H a n d lin g C o d e
T e m p . R a n g e
P a c k a g e C o d e
M a g n e tic R a n k
A T : | B o p , B rp | < 5 0 G a u s s
A : | B o p , B rp | < 7 0 G a u s s
B : | B o p , B rp | < 1 0 0 G a u s s
D : | B o p , B rp | < 1 5 0 G a u s s
P a c k a g e C o d e
E : T O - 9 2 M 4
T e m p . R a n g e
E : -2 0 to 8 5 C
H a n d lin g C o d e
P B : P la s tic B a g T B : T a p e & B o x
T R : T a p e & R e e l
L e a d F re e C o d e
L : L e a d F re e D e vic e B la n k : O rig in a l D e vic e
L e a d F re e C o d e
Copyright
ANPEC Electronics Corp.
Rev. A.7 - Apr., 2004
APX9141
www.anpec.com.tw
2
Block Diagram
G nd
D O
A P X 9 14 1
T em p e ra tu re
C om p en s a ted
V olta g e
R eg u lato r
H all
E lem e nt
C urre n t
A m p lifier
L atc h
C irc u it
O utp u t
B uffe r 1
H ys te res is
C on tro l
S en s itivity
C on tro l
V
D D
O utp u t
B uffe r 2
D O B
R ev e rse
V olta g e
P rote c tio n
Symbol
Param eter
Rating
Unit
V
DD
Supply Voltage
20
V
V
BD
Output Breakdown Voltage
55
V
I
DD
Supply Current
25
mA
I
OUT
Output Current Continuous
Hold Current
Peak (Start Up)
400
600
800
mA
P
D
Maxim um Power Dissipation
500
mW
T
A
Operating Ambient Temperature
-20 to 85
T
STG
Storage Tem perature Range
-65 to 150
T
SO L
Soldering Temperature (10 Sec.)
260
C
APX9141
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V
DD
Supply Voltage
Operating
3
20
V
V
SAT
Output Saturation Voltage
V
DD
=14V, I
OUT
=400mA, B>Bop
250
500
mV
I
DD
Supply Current
V
DD
=20V, Output Open
20
25
mA
I
Leak
a
Output Leakage Current
V
OUT
=20V, V
DD
=20V, B<Brp
<0.1
10
A
t
r
b
Output Rise Time
0.8
5
s
t
f
b
Output Fall Time
0.1
1
s
t
b
Switch Time Different
V
DD
=14V, R
L
=820
C
L
=20pF
3.5
7
s
Absolute Maximum Ratings
T
A
= 25
C unless otherwise noted
Electrical Characteristics
T
A
= 25
C, V
DD
=20V unless otherwise noted
Note
a
: No leakage current spike when IC start-up
b
: use Figure 1
Copyright
ANPEC Electronics Corp.
Rev. A.7 - Apr., 2004
APX9141
www.anpec.com.tw
3
Rank
Maximum Operate
Point Bop
Maximum Release
Point Brp
Unit
AT
+50
-50
A
+70
-70
B
+100
-100
D
+150
-150
Gauss
Magnetic Characteristics
T
A
= 25
C, V
DD
=14V unless otherwise noted
Note : For 5cm and below DC fan application, grade A/AT device is recommended to avoid magnetic
sensitivity problem. For above 5cm DC fan application, grade B device is acceptable for most cases.
Figure 1 : Switching Circuit for Output Rise Time and Fall Time Measurement
Test Information
Application Circuit
Signal Generator
V
D D
S c o p e
2
3
1
4
C
L2
C
L1
R
L1
R
L2
A P X 9 1 4 1
Figure 2 Typical DC brushless fan application circuit
2
3
1
V
D D
+ B
-B
A P X 9 1 4 1
L 1
L 2
4
V
D D
C 1
C 3
C 2
Copyright
ANPEC Electronics Corp.
Rev. A.7 - Apr., 2004
APX9141
www.anpec.com.tw
4
0
5
10
15
20
25
-20
0
20
40
60
80
100
Typical Characteristics
Supply Current vs. Supply Voltage
Supply Voltage (V)
Supply Current (mA)
Output Saturation Voltage vs. Output Current
Output Current (mA)
Output Saturation Voltage (mV)
Output Low Voltage vs Ambient Temperature
Temperature (
C)
Output Low Voltage (mV)
Supply Current vs Temperature
Temperature (
C)
Supply Current (mA)
-10
-5
0
5
1 0
1 5
2 0
2 5
-30 -20 -10
0
1 0
2 0
3 0
4 0
5 0
0
50
100
150
200
250
0
100
200
300
400
500
150
175
200
225
250
275
300
-20
0
20
40
60
80
100
I
OUT
=400mA
V
DD
=14V
V
CC
=14V
V
CC
=3V
V
CC
=20V
T
A
=25C
Copyright
ANPEC Electronics Corp.
Rev. A.7 - Apr., 2004
APX9141
www.anpec.com.tw
5
-100
-80
-60
-40
-20
0
20
40
60
80
100
0
5
10
15
20
-150
-100
-50
0
50
100
150
-20
0
20
40
60
80
100
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0
10
20
30
40
50
60
Magnetic Switch Points vs Supply Voltage
Supply Voltage (V)
Magnetic Switch Points (G)
Typical Characteristics (Cont.)
Magnetic Switch Points vs Temperature
Magnetic Switch Points (G)
Temperature (
C)
0
100
200
300
400
500
600
0
25
50
75
100
125
150
Ambient Temperature (
C)
Power Dissipation vs. Ambient Temperature
Output Current (uA)
Output Voltage (V)
Output Breakdown Voltage vs. Current
Power Dissipation (mW)
Output Breakdown Voltage
Bop
Brp
I
OUT
=400mA
V
DD
=14V
I
OUT
=400mA
T
A
=25C
Bop
Brp