Anpec APX9142BEE-PB High sensitivity hall effect sensor ic with reverse voltage protection Datasheet

APX9142
High Sensitivity Hall Effect Sensor IC with Reverse Voltage Protection
Features
General Description
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On-chip Reverse Voltage Protection
The APX9142 is an integrated Hall Effect Sensor IC
designed for electric commutation of DC brushless
motor applications. The APX9142 still can operate at
as low as 3 volts. The APX9142 is available in low
cost TO -92M4 package with 3 different magnetic
ranks.
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4 pin TO-92M Package
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
Pin Description
Build-in Output Zener Diodes to Clamp the
Peak Output Voltage
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Front View
APX9142
1 : V DD
High Sensitivilty Hall Effect Senser IC:±50G,
2 : DO
±65G, and ±90G
3 : DOB
4 : GND
Applications
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1
2
3
4
Brushless DC Fan
Revolution Counting
Brushless DC Motor
Speed Measurement
Ordering and Marking Information
M a g n e t ic R a n k
A T : | B o p , B rp | < 5 0 G a u s s
A : | B o p , B rp | < 6 5 G a u s s
B : | B o p , B rp | < 9 0 G a u s s
Package C ode
E : TO - 92M 4
Tem p. Range
E : - 2 0 to 8 5 ° C
H a n d l in g C o d e
P B : P la s t ic B a g
TB : Tape & Box
TR : Tape & Reel
APX9142
H a n d l in g C o d e
Tem p. R ange
P ackage C ode
M a g n e t ic R a n k
A P X 9142 E :
APX
9142
XXXXX
X X X X X - D a te C o d e
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.
Copyright  ANPEC Electronics Corp.
Rev. A.4 - Apr., 2003
1
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APX9142
Block Diagram
Reverse
Voltage
Protection
V DD
Temperature
Compensated
Voltage
Regulator
APX9142
Hall
Element
Current
Amplifier
Zener
Diodes
Latch
Circuit
Hysteresis
Control
Output
Buffer 1
DO
Output
Buffer 2
DOB
Sensitivity
Control
Zener
Diodes
Gnd
Absolute Maximum Ratings
Symbol
VDD
IDD
IOUT
PD
TA
TSTG
TSOL
Parameter
Continuous
Hold Current
Peak (Start Up)
Maximum Power Dissipation
Operating Ambient Temperature
Storage Temperature Range
Soldering Temperature (10 Sec.)
Parameter
VDD
Supply Voltage
VSAT
Output Saturation Voltage
V Clamp
IDD
ILeak a
tr b
tf b
∆t b
Notes
a
b
Rating
20
15
400
600
800
500
-20 to 85
-65 to 150
260
Supply Voltage
Supply Current
Output Current –
Electrical Characteristics
Symbol
TA = 25°C unless otherwise noted
Clamp Output Voltage
Supply Current
Output Leakage Current
Output Rise Time
Output Fall Time
Switch Time Different
Unit
V
mA
mA
mW
°C
TA = 25°C, VDD=12V unless otherwise noted
Test Condition
Operating
IOUT=400mA, B>Bop
IOUT=200mA, B>Bop
VDD=20V, Output Open
VOUT=20V, VDD=20V, B<Brp
R L=820Ω,CL=20pF
APX9142
Min. Typ. Max.
3
20
600
800
250
350
30
10
15
<0.1
10
0.8
5
0.1
1
2.5
7
Unit
V
mV
V
mA
µA
µs
µs
µs
: No leakage current spike when IC start-up
: use Figure 1
Copyright  ANPEC Electronics Corp.
Rev. A.4 - Apr., 2003
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APX9142
Magnetic Characteristics
Rank
TA = 25°C, VDD=12V unless otherwise noted
Maximum Operate Point
Bop
+40
+55
+80
AT
A
B
Maximum Release Point
Brp
-40
-55
-80
Unit
Gauss
Gauss
Gauss
Test Information
APX9142
1
2
3
4
Signal Generator
Scope
R L2
R L1
V DD
Figure 1 : Switching Circuit for Output Rise Time and Fall Time Measurement
Application Circuit
V DD
APX9142
+B
-B
1
V DD
2
3
4
L1
L2
C1
Figure 2 Typical DC brushless fan application circuit
Copyright  ANPEC Electronics Corp.
Rev. A.4 - Apr., 2003
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APX9142
Typical Characteristics
Output Low Voltage vs Output Sink Current
10
0.7
5
0.6
Output Low Voltage (V)
Supply Current (mA)
Supply Current vs. Supply Voltage
0
-5
-10
-15
0.5
0.4
0.3
0.2
0.1
-20
0
-30
-20
-10
0
10
20
30
50
100
Supply Voltage (V)
150
200
250
300
350
400
Output Sink Current (mA)
Switching Point vs. Supply Voltage
Supply Current vs. Temperature
9.5
60
IOUT=200mA
Vcc=20V
9
Supply Current (mA)
Switching Point (G)
40
20
0
-20
8.5
8
7.5
7
6.5
6
-40
5.5
5
-60
0
5
10
15
-20
20
Supply Voltage (V)
Copyright  ANPEC Electronics Corp.
Rev. A.4 - Apr., 2003
0
20
40
60
80
100
120
Temperature (°C)
4
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APX9142
Typical Characteristics (Cont.)
Switching Point vs. Temperature
60
Vcc=12V
Switching Point (G)
40
20
0
-20
-40
-60
-20
0
20
40
60
80
100
120
Temperature (°C)
Copyright  ANPEC Electronics Corp.
Rev. A.4 - Apr., 2003
5
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APX9142
Package Information
TO-92M4
Marking Surface
S
IC chip
C
E
L
L1
A
b1
e1
J
e
1.35mm
1.75mm
D
Sensitive Area (0.286 ×0.286mm2)
Position of Hall Sensor
reference to the top-left of package
x= 1.35 ± 0.1mm
y= 1.75 ± 0.1mm
Dim
A
b1
C
D
e
e1
E
J
L
L1
S
Millimeters
Min.
3.60
0.35
0.351
5.17
3.78
1.24
1.50
4.04
14.0
1.342
0.45
Copyright  ANPEC Electronics Corp.
Rev. A.4 - Apr., 2003
Inches
Max.
3.70
0.41
0.411
5.27
3.84
1.30
1.60
4.34
15.0
1.542
0.55
Min.
0.141
0.014
0.014
0.203
0.148
0.049
0.059
0.158
0.549
0.053
0.018
6
Max.
0.145
0.016
0.016
0.207
0.150
0.051
0.063
0.170
0.588
0.060
0.022
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APX9142
Customer Service
Anpec Electronics Corp.
Head Office :
5F, No. 2 Li-Hsin Road, SBIP,
Hsin-Chu, Taiwan, R.O.C.
Tel : 886-3-5642000
Fax : 886-3-5642050
Taipei Branch :
7F, No. 137, Lane 235, Pac Chiao Rd.,
Hsin Tien City, Taipei Hsien, Taiwan, R. O. C.
Tel : 886-2-89191368
Fax : 886-2-89191369
Copyright  ANPEC Electronics Corp.
Rev. A.4 - Apr., 2003
7
www.anpec.com.tw
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