ANPEC APX9140BEE-PB, APX9140AEE-TR, APX9140AEE-TB, APX9140AEE-PB, APX9140DEE-TR Datasheet
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Copyright ANPEC Electronics Corp.
Rev. A.6 - Jul., 2002
APX9140
www.anpec.com.tw1
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
The APX9140 is an integrated Hall Effect Sensor IC
designed for electric commutation of DC brushless
motor applications. The APX9140 still can operate at
as low as 3 volts. The APX9140 is available in low
cost TO -92M package with 3 different magnetic
ranks.
Pin Description
Ordering Information
Features General Description
••
••
• 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
Applications
••
••
• Speed Measurement
••
••
• Revolution Counting
••
••
• Brushless DC Motor
••
••
• Brushless DC Fan
APX9140
Magnetic Rank
Handling Code
Temp. Range
Package Code
Magnetic Rank
A : | Bop , Brp | < 70 Gauss
B : | Bop , Brp | < 100 Gauss
D : | Bop , Brp | < 150 Gauss
Package Code
E : TO - 92M4
Temp. Range
E : - 20 to 85 C
Handling Code
PB : Plastic Bag TB : Tape & Box
TR : Tape & Reel
°
APX9140
1 : V
DD
23
2 : DO
1
3 : DOB
4
4 : GND
Front View
Copyright ANPEC Electronics Corp.
Rev. A.6 - Jul., 2002
APX9140
www.anpec.com.tw2
Gnd
DO
APX9140
Temperature
Compensated
Voltage
Regulator
Hall
Element
Current
Amplifier
Latch
Circuit
Output
Buffer 1
Hysteresis
Control
Sensitivity
Control
V
DD
Output
Buffer 2
DOB
Block Diagram
Symbol Parameter 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
Maximum Power Dissipation 500 mW
T
A
Operating Ambient Tem perature -20 to 85
T
STG
Storage Temperature Range -65 to 150
T
SOL
Soldering Temperature (10 Sec.) 260
°
C
APX9140Symbol Parameter Test Condition
Min. Typ. Max.
Unit
V
DD
Supply Voltag e Oper atin g 3 20 V
V
SAT
Output Saturation Voltage VDD=14V, I
OUT
=400mA, B>Bop 250 500 mV
I
DD
Supply Current VDD=20V, Output Open 18 25 mA
I
Leak
Output Leakage Current V
OUT
=20V, VDD=20V, B<Brp <0.1 10
µ
A
t
r
a
Output Rise Time 1.0 5
µ
s
t
f
a
Output Fall Time 0.1 1
µ
s
∆
t
a
Swit ch Time Differ ent
V
DD
=14V, RL=820
Ω
C
L
=20pF
3.5 7
µ
s
Absolute Maximum Ratings T
A
= 25°C unless otherwise noted
Electrical Characteristics T
A
= 25°C, VDD=14V unless otherwise noted
Notes a : use Figure 1
Copyright ANPEC Electronics Corp.
Rev. A.6 - Jul., 2002
APX9140
www.anpec.com.tw3
Magnetic Characteristics T
A
= 25°C, VDD=14V unless otherwise noted
Notes : For 5cm and below DC fan application, grade A device is recommended to avoid magnetic
sensitivity problem. For above 5cm DC fan application, grade B device is acceptable for most cases.
Rank Maxim um Operate Point
Bop
Maximum R elease Po int
Brp
Unit
A+70 -70
B +100 -100
D +150 -150
Gauss
Figure 1 : Switching Circuit for Output Rise Time and Fall Time Measurement
Test Information
Application Circuit
Signal Generator
V
DD
Scope
2314
C
L2
C
L1
R
L1
R
L2
APX9140
231
+B
-B
APX9140
L1 L2
4
V
DD
D1
C1
Note: Add diode(D1) for reverse voltage protection and add capacitor (C1) to eliminate
high voltage spike into Hall IC.
Figure 2 Typical DC brushless fan application circuit
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