Anpec APX9141ATEE-TBL Hall effect sensor ic with reverse voltage protection Datasheet

APX9141
Hall Effect Sensor IC with Reverse Voltage Protection
Features
General Description
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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 available in low cost TO -92M4 package with 3 different
magnetic ranks.
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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
Pin Description
Reliable and Rugged
4 pin TO-92M Package
Front View
APX9141
Applications
1 : V DD
2 : DO
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3 : DOB
4 : GND
Brushless DC Fan
Revolution Counting
1
2
3 4
Brushless DC Motor
Speed Measurement
Ordering Information
M agnetic R ank
A T : | B o p , B rp | < 50 G au s s
A : | B op , B rp | < 70 G auss
B : | B op , B rp | < 100 G au s s
D : | B o p , B rp | < 150 G a uss
P ac k a g e C o d e
E : T O - 92M 4
T em p. R ange
E : -20 to 85 °C
H a ndling C ode
P B : P la s tic B a g
T B : T a p e & B ox
T R : T ape & R eel
Lead F ree C ode
L : L e a d F re e D e vic e
B la n k : O rig in a l D evic e
A P X 91 41
Lead F ree C ode
H a ndling C ode
T em p. R ange
P ac k a g e C o d e
M agnetic R ank
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.7 - Apr., 2004
1
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APX9141
Block Diagram
R everse
V oltage
P rotection
T em perature
C om pensated
V oltage
R egulator
VDD
A PX 9 14 1
H all
E lem ent
C urrent
A m plifier
Latch
C ircuit
H ysteresis
C ontrol
O utput
B uffer 1
DO
O utput
B uffer 2
DOB
S ensitivity
C ontrol
G nd
Absolute Maximum Ratings
Symbol
V DD
V BD
IDD
IOUT
PD
TA
T STG
T SOL
Parameter
Voltage
Breakdown Voltage
Current
Current – Continuous
Hold Current
Peak (Start Up)
Maxim um Power Dissipation
Operating Ambient Temperature
Storage Tem perature Range
Soldering Temperature (10 Sec.)
VDD
VSAT
IDD
ILeak a
tr b
tf b
∆t b
Note
Rating
20
55
25
400
600
800
500
-20 to 85
-65 to 150
260
Supply
Output
Supply
Output
Electrical Characteristics
Symbol
TA = 25°C unless otherwise noted
Parameter
Supply Voltage
Output Saturation Voltage
Supply Current
Output Leakage Current
Output Rise Time
Output Fall Time
Switch Time Different
Unit
V
V
mA
mA
mW
°C
TA = 25°C, VDD=20V unless otherwise noted
Test Condition
Operating
VDD=14V, IOUT=400mA, B>Bop
VDD=20V, Output Open
VOUT=20V, VDD=20V, B<Brp
VDD =14V, RL =820Ω
CL=20pF
APX9141
Min. Typ. Max.
3
20
250
500
20
25
<0.1
10
0.8
5
0.1
1
3.5
7
Unit
V
mV
mA
µA
µs
µs
µs
a
b
: No leakage current spike when IC start-up
: use Figure 1
Copyright  ANPEC Electronics Corp.
Rev. A.7 - Apr., 2004
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APX9141
Magnetic Characteristics
Rank
TA = 25°C, VDD=14V unless otherwise noted
Maximum Operate
Point Bop
+50
+70
+100
+150
AT
A
B
D
Maximum Release
Point Brp
-50
-70
-100
-150
Unit
Gauss
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.
Test Information
APX9141
1
2
3
4
Signal Generator
Scope
R L2
R L1
V DD
C L2
C L1
Figure 1 : Switching Circuit for Output Rise Time and Fall Time Measurement
Application Circuit
V DD
APX9141
+B
-B
1
V DD
2
3
4
L1
L2
C1
C2
C3
Figure 2 Typical DC brushless fan application circuit
Copyright  ANPEC Electronics Corp.
Rev. A.7 - Apr., 2004
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APX9141
Typical Characteristics
Output Saturation Voltage vs. Output Current
Supply Current vs. Supply Voltage
250
TA=25°C
Output Saturation Voltage (mV)
25
Supply Current (mA)
20
15
10
5
0
-5
-10
-30 -20 -10
200
150
100
50
0
0
10
20
30
40
50
0
100
Supply Voltage (V)
300
400
500
Output Current (mA)
Output Low Voltage vs Ambient Temperature
Supply Current vs Temperature
25
300
IOUT=400mA
VDD=14V
VCC=20V
275
Supply Current (mA)
Output Low Voltage (mV)
200
250
225
200
20
15
10
VCC=14V
VCC=3V
5
175
0
-20
150
-20
0
20
40
60
80
100
Temperature (°C)
Copyright  ANPEC Electronics Corp.
Rev. A.7 - Apr., 2004
0
20
40
60
80
100
Temperature (°C)
4
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APX9141
Typical Characteristics (Cont.)
Magnetic Switch Points vs Supply Voltage
Magnetic Switch Points vs Temperature
150
100
Magnetic Switch Points (G)
60
Magnetic Switch Points (G)
IOUT=400mA
TA=25°C
80
Bop
40
20
0
-20
Brp
-40
-60
-80
-100
0
5
10
15
100
Bop
50
0
Brp
-50
-100
-150
-20
20
0
20
40
60
80
100
Supply Voltage (V)
Temperature (°C)
Power Dissipation vs. Ambient Temperature
Output Breakdown Voltage vs. Current
600
Output Current (uA)
500
Power Dissipation (mW)
IOUT=400mA
VDD=14V
400
300
200
100
0
0
25
50
75
100
125
150
Output Breakdown Voltage
0
Ambient Temperature (°C)
Copyright  ANPEC Electronics Corp.
Rev. A.7 - Apr., 2004
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
10
20
30
40
50
60
Output Voltage (V)
5
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APX9141
Package Information
TO-92M4
M a r k in g S u r f a c e
S
I C c h ip
C
E
L
L1
A
b1
e1
J
e
0 .4 1 m m
0 .8 8 m m
D
S e n s it iv e A r e a ( 0 . 2 8 6 ×0 . 2 8 6 m m 2 )
P o s it io n o f H a ll S e n s o r
r e f e r e n c e t o t h e t o p - le f t o f p a c k a g e
x = 0 . 4 1± 0 . 1 m m
y = 0 . 8 8± 0 . 1 m m
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.7 - Apr., 2004
Inches
Max.
3.70
0.41
0.411
5.27
3.84
1.30
1.60
4.34
15.0
1.542
0.55
6
Min.
0.141
0.014
0.014
0.203
0.148
0.049
0.059
0.158
0.549
0.053
0.018
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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APX9141
Physical Specifications
Terminal Material
Lead Solderability
Solder-Plated Copper (Solder Material : 90/10 or 63/37 SnPb), 100%Sn
Meets EIA Specification RSI86-91, ANSI/J-STD-002 Category 3.
Reflow Condition
(IR/Convection or VPR Reflow)
tp
TP
C ritical Zone
T L to T P
T e m p e ra tu re
R am p-up
TL
tL
T sm ax
T sm in
R am p-down
ts
Preheat
25
t 25 °C to Peak
T im e
Classificatin Reflow Profiles
Profile Feature
Sn-Pb Eutectic Assembly
Large Body
Small Body
Average ramp-up rate
3°C/second max.
(TL to TP)
Preheat
- Temperature Min (Tsmin)
100°C
- Temperature Mix (Tsmax)
150°C
- Time (min to max)(ts)
60-120 seconds
Tsmax to TL
- Ramp-up Rate
Tsmax to TL
- Temperature(TL)
183°C
- Time (tL)
60-150 seconds
Peak Temperature(Tp)
225 +0/-5°C
240 +0/-5°C
Time within 5°C of actual Peak
10-30 seconds
10-30 seconds
Temperature(tp)
Ramp-down Rate
6°C/second max.
6 minutes max.
Time 25°C to Peak Temperature
Pb-Free Assembly
Large Body
Small Body
3°C/second max.
150°C
200°C
60-180 seconds
3°C/second max
217°C
60-150 seconds
245 +0/-5°C
250 +0/-5°C
10-30 seconds
20-40 seconds
6°C/second max.
8 minutes max.
Note: All temperatures refer to topside of the package. Measured on the body surface.
Copyright  ANPEC Electronics Corp.
Rev. A.7 - Apr., 2004
7
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APX9141
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.7 - Apr., 2004
8
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