ANPEC APX9132 Service Manual
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APX9132
Hall Effect Micro Switch IC
Features General Description
• Micro Power Ope ration for Battery Applications
• Chopper Stabilized Amplifier
• Independent of North or South Pole Magnet,
Ea sy for Manufacture
• Small Size Pa ckage
• Lead Free Available (RoHS Compliant)
Ap plic ations
• Micro Switch
• Ha ndheld Wireless Application Wake Up Switch
• Cla mp Shell Type Application Switch
• Magnet Switch in Low Duty Cycle Applications
The APX9132 integrated circ uit is an ultra-sensit ive,
pole independent Hall-effect switch with a latched
di gital output . A 2.5 volt to 3.5 volt operation and a
uniq ue clocking scheme reduce the average operating
power requirements, Either a north or sout h pole of
sufficient flux will turn the output on; in the absence of
a magnetic field, the out put is off. The polarity
i ndependence a nd minimal power requirement allow
t his devic e t o be easily repla ced reed switc h for
s uperior for signal condit ioning. Advanced CMOS
proces sing is used to take advantage of l ow-voltage
a nd low-pow er requirements, SOT-23 package provided
a optimized pa ckage for most applications.
Pin Description
GND
APX9132
VDD
VOUT
SOT-23
Ordering Information
APX9132
Lead Free Code
Handling Code
Temp. Range
Package Code
APX9132 A/AT:
No tes : ANPEC lead-free p roducts contain molding compounds/die attach materials and 100% m atte in plate
te rminatio n finish ; which are full y compliant with Ro HS and compatibl e with both SnPb an d lead-free soldiering
op erations. AN PEC lead-free products meet or exceed the lead -free req uireme nts of IPC/JEDEC J STD-020C
fo r MSL classification at lead-fre e peak reflo w temp erature.
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.
C opyright ANPEC Electronics C orp.
Rev. A.1 - Nov., 2005
X32X
Package Code
A : SOT-23 AT : SOT-23 Thin
Temp. Range
I : -40 to 85 C
Handling Code
TR : Tape & Reel
Lead Free Code
L : Lead Free Device Blank : Original Device
X: Date Code
°
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APX9132
When a magnetic field enters the hall element and exceeds the
) the output turns on (output is
(or
Function Pin Descriptions
No Name Function
1 VDD Power Input
2 V
OUT
operate point B
low). When the magnetic field is below the release point BRPS
above B
RPN
3 GND Ground Connection
Block Diagram
Hall Plane
VDD
Awake & Sleep
Timing Logic
Cancellation
Dynamic Offset
OPS
(or less than B
OPN
), the output turns off (output is high).
Latch
Circuit
Chopper
Amplifier
Hysteresis
Control
VOUT
GND
Typical Applications
V
OUT
APX9132
GND
SOT-23 (Top View)
C opyright ANPEC Electronics C orp.
Rev. A.1 - Nov., 2005
V
DD
0.1uF
+
2.5V-3.5V
-
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APX9132
Absolute Maximum Ratings T
= 25°C unless otherwise noted
A
Symbol Parameter Rating Unit
VDD Supply Voltage 5 V
V
Output Voltage 5 V
OUT
I
Output Current
OUT
±
1
TJ Junction Temperature Range 150
T
Storage Temperature Range -65 to +150
STG
Electrical Characteristics T
Symbol
VDD Supply Voltage Range Operating 2.5 3.5 V
IDD Supply Current
I
Output Leakage Current V
OFF
VOH Output High Voltage I
VOL Output Low Voltage I
t
Wake up Time
awake
t
Period
period
d.c. Duty Cycle
fc Chopping Frequency
Characteristic Test Condition
Average 5 10
Awake 1.2 2 mA
Sleep 2 8
SINK
SINK
= 25°C, VDD=3V unless otherwise noted
A
APX9132
Min. Typ. Max.
=3.5V, B
OUT
=-1mA
RPN
<B<B
1.0
RPS
VDD
-0.4
V
=1mA 20 40 mV
180
60 mS
0.3
11 KHz
mA
°
C
Unit
µ
A
µA
µ
A
µ
s
%
Magnetic Characteristics T
= 25°C, VDD=3V unless otherwise noted
A
APX9132
Symbol Characteristic Test Condition
Unit
Min. Typ. Max.
B
OPS
B
OPN
B
RPS
B
RPN
B
Operate Points
Release Points
Hysteresis
hys
30 45 G
-45 -30 G
10 20 G
-20 -10 G
10 G
C opyright ANPEC Electronics C orp.
Rev. A.1 - Nov., 2005
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APX9132
Typical Characteristics
Switching Points vs. Ambient Temperature
40
30
20
10
0
-10
-20
Switching Points (G)
-30
-40
BOPS
BRPS
BRPN
BOPN
-40 -20 0 20 40 60 80 100
Ambient Temperature (°C)
Switching Points vs. Supply Voltage
40
30
20
10
0
-10
-20
Switching Points (G)
-30
-40
2.5 3 3.5 4 4.5 5
BOPS
BRPS
BRPN
BOPN
Supply Voltage (V)
TA=25°C
Average Supply Current vs. Ambient Temperature
10
8
6
4
2
Average Supply Current (uA)
0
-40 -20 0 20 40 60 80 100
Ambient Temperature (°C)
C opyright ANPEC Electronics C orp.
Rev. A.1 - Nov., 2005
Average Supply Current vs.Supply Voltage
20
18
16
14
12
10
8
6
4
2
Average Supply Current (uA)
0
2.5 3 3.5 4 4.5 5
TA=25°C
Supply Voltage (V)
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