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AH180
MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR
SWITCH
Description
AH180 is a micro-power Omnipolar Hall-Effect switch
designed for portable and battery powered equipment such
cellular phones, PDAs and portable PCs. Based on two HallEffect plates and a chopper stabilized architecture the AH180
provides a reliable solution over the whole operating ran ge.
To support portable and battery powered equipment the
design has been optimized to operate over the supply range
of 2.5V to 5.5V and consumes only 24uW with a supply of 3V.
The single open-drain output switches on with either a north
or south pole of sufficient strength.
When the magnetic flux density (B) is larger than operate
point (Bop), output is switched on (Output pin is pulled low).
The output is turned off when B becomes lower than the
release point (Brp). The output will remain off when there is
no magnetic field.
The AH180 is available in SIP-3L, SC59, DFN2020-3, and
DFN2020-6 packages.
Features
Pin Assignments
(Top View)
(SIP-3L)
GND 2.
(Top View)
5. GND
4. NC6. NC
(Top View)
SC59
3.
Output
1.Vdd
( Top View )
3.
Output
GND
2.
Vdd
1.
3. GND
• Omnipolar (north or south pole) operation
• Micropower operation
• Single open drain output
• 2.5V to 5.5V operating voltage
• Chopper stabilized design provides
• Superior temperature stability
• Minimal switch-point drift
• Enhanced immunity to stress
• Good RF noise immunity
• -40°C to 85°C operating temperature
• ESD (HBM) ＞ 5KV for DFN2020-6, DFN2020-3
＞ 6KV for SIP-3L and SC59
• SIP-3L, SC59 (commonly known as SOT23 in Asia)
DFN2020-6, DFN2020-3 packages
• Green Molding Compound (No Br, Sb) (Note 1)
Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
http://www.diodes.com/products/lead_free.html.
1. Vdd 2. NC 3. Output
DFN2020-6
Applications
• Cover switch in clam-shell cellular phones
• Cover switch in Notebook PC/PDA
• Contact-less switch in consumer products
1. Vdd
DFN2020-3
3. Output
AH180
Document number: DS31023 Rev. 17 - 2
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Typical Application Circuit
AH180
MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR
SWITCH
2.5~5.5V
R
L
C
Note: C is for power stabilization and to strengthen the noise immunity, the recommended capacitance is 10nF~100nF.
is the pull-up resistor, the recommended resistance is 10Kohm~100Kohm.
R
L
Pin Descriptions
Pin Name P/I/O Description
Vdd P/I Power Supply Input
GND P/I Ground
Output O Output Pin
NC NC No Connected
Functional Block Diagram
AH180
Output
Gnd
Vdd
Hall Plate
Hall Plate
AH180
Document number: DS31023 Rev. 17 - 2
Cancelling
Cancelling
Power
switch
Offset
Amp
Offset
Amp
Latch
Latch
Output
Logical
GND
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MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR
Absolute Maximum Ratings (T
Symbol Characteristics Values Unit
Vdd Supply voltage 7 V
B Magnetic flux density Unlimited
Ts Storage Temperature Range -65 to +150
PD
TJ
Package Power Dissipation
Maximum Junction Temperature 150
Recommended Operating Conditions
Symbol Parameter Conditions Min
Vdd Supply Voltage Operating 2.5 5.5 V
TA Operating Ambient Temperature Operating -40
= 25°C)
A
SIP-3L 550 mW
SC59-3L/ DFN2020-6/
DFN2020-3
230 mW
Max
85
AH180
SWITCH
°C
°C
Unit
°C
Electrical Characteristics (T
= 25 °C, Vdd = 3V; unless otherwise specified)
A
Symbol Characteristic Conditions Min Typ. Max Unit
Vout Output On Voltage Iout =1mA
Ioff Output Leakage Current Vout =5.5V, Output off
Idd(en)
Idd(en)
Idd(dis)
Idd(dis)
Idd(avg)
Idd(avg)
Supply Current
Chip enable, T
Chip enable, T
Vdd = 2.5~5.5V
Chip disable, T
Chip disable, T
Vdd = 2.5~5.5V
Average supply current,
= 25°C, Vdd = 3V
T
A
Average supply current,
= -40~85°C, Vdd = 2.5~5.5V
T
A
= 25°C, Vdd = 3V
A
= -40~85°C,
A
= 25°C, Vdd = 3V
A
= -40~85°C,
A
Tawake Awake Time (Note 2)
Tperiod Period (Note 2)
D.C. Duty Cycle
Notes: 2. When power is initially turned on, Vdd must be within its correct operating range (2.5V to 5.5V) to guarantee the output sampling.
The output state is valid after the second operating phase (typical 150ms).
Tperiod
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
0.1 0.3 V
<0.1
1 µA
3 6 mA
3 9 mA
5 10 µA
5 15 µA
8 16 µA
8 24 µA
75 125 µs
75 125 ms
0.1
⎯
%
Idd(en)
Idd (dis)
0
AH180
Document number: DS31023 Rev. 17 - 2
Tawake
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Sample and output
latched
© Diodes Incorporated
July 2010
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AH180
MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR
SWITCH
Magnetic Characteristics (T
Option 1: (1mT=10 Gauss)
Symbol Parameter Min Typ. Max Unit
Bops(south pole to brand side)
Bopn(north pole to brand side) -60 -40 Brps(south pole to brand side)
Brpn(north pole to brand side) - -30 -10
Bhy(|Bopx|-|Brpx|) Hysteresis - 15 -
Option 2: (1mT=10 Gauss)
Symbol Parameter Min Typ. Max Unit
Bops(south pole to brand side)
Bopn(north pole to brand side) -60 -40 Brps(south pole to brand side)
Brpn(north pole to brand side) - -30 -20
Bhy(|Bopx|-|Brpx|) Hysteresis - 15 -
Notes: 3. Typical data is at TA = 25°C, Vdd = 3V, and for design information only.
4. Magnetic characteristics may vary with supply voltage, operating temperature and after soldering.
= 25 °C, Vdd = 3V, Note 3, 4)
A
Operation Point
Release Point
Operation Point
Release Point
- 40 60
10 30 -
- 40 60
20 30 -
Gauss
Gauss
Operating Characteristics
( off-state )
Vcc
Turn on
Bhy
( Output Voltage )
( on-state )
Bopn Brpn 0
( Magnetic flux density B )
AH180
Document number: DS31023 Rev. 17 - 2
Output
Turn off
Vsat
( Output Voltage )
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Output
Turn off
( off-state )
Bhy
Vcc
Turn on
( on-state )
Vsat
Brps Bops0
( Magne tic flux d ensity B )
July 2010
© Diodes Incorporated
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Performance Characteristics
(1) SIP-3L
TA (°C)
PD (mW) 550 440 396 352 308 286 264 242 220
TA (°C)
PD (mW) 198 176 154 132 110 88 66 44 0
P
(mW)
D
600
500
400
300
200
100
25 50 60 70 80 85 90 95 100
105 110 115 120 125 130 135 140 150
AH180
MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR
SWITCH
Power Dissipation Cu rve
0
0 25 50 75 100 125 150
85-40
(2) SC59 (commonly known as SOT23 in Asia), DFN2020-6 and DFN2020-3
TA (°C)
PD (mW)
25 50 60 70 80 85 90 100 110 120 130 140 150
230 184 166 147 129 120 110 92 74 55 37 18 0
P
(mW)
D
300
200
100
0
0 25 50 75 100 12 5 150
Power Dissipation Curve
85-40
TA (oC)
TA (oC)
AH180
Document number: DS31023 Rev. 17 - 2
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Ordering Information
AH180
MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR
SWITCH
AH 180 - XX X - X X
Package
P : SIP-3L
W : SC59
SN : DFN2020-6
FJ : DFN2020-3
Lead Free
L : Lead Free
G : Green (Note 5, 6)
Packing
A : Ammo Box (Note 9)
B : Bulk (Note 10)
7 : Tape & Reel
Magnetic Characteristics
(Note 11)
Blank : Option 1
-S : Option 2
Bulk 7” Tape and Reel Ammo Box
Device
AH180-PL-B P SIP-3L 1000 -B NA NA NA NA Blank
AH180-PL-A P SIP-3L NA NA NA NA -A 4000/Box Blank
AH180-PG-B P SIP-3L 1000 -B NA NA NA NA Blank
AH180-PG-A P SIP-3L NA NA NA NA -A 4000/Box Blank
AH180-PL-B-S P SIP-3L 1000 -B NA NA NA NA S
AH180-PL-A-S P SIP-3L NA NA NA NA -A 4000/Box S
AH180-PG-B-S P SIP-3L 1000 -B NA NA NA NA S
AH180-PG-A-S P SIP-3L NA NA NA NA -A 4000/Box S
AH180-WG-7 W SC59 NA NA 3000/Tape & Reel -7 NA NA Blank
AH180-SNG-7 SN DFN2020-6 NA NA 3000/Tape & Reel -7 NA NA Blank
AH180-FJG-7 FJ DFN2020-3 NA NA 3000/Tape & Reel -7 NA NA Blank
Notes: 5. SC59, DFN2020-6 and DFN2020-3 are available in “Green” product only.
7. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
http://www.diodes.com/datasheets/ap02001.pdf.
8. Reverse taping as shown on Diodes Inc. Surface Mount (SMD) Packaging document AP02007, which can be found on our website
http://www.diodes.com/datasheets/ap02007.pdf.
9. Ammo Box is for SIP-3L Spread Lead.
10. Bulk is for SIP-3L Straight Lead.
11. Please refer the Magnetic Characteristics table, option 2 is available in SIP-3L package only.
Package
Code
6. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
http://www.diodes.com/products/lead_free.html.
Packaging
(Note 7, 8)
Quantity
Part
Number
Suffix
Quantity
Part
Number
Suffix
Quantity
Part
Number
Suffix
Magentic
Characteristics
(Note 11)
AH180
Document number: DS31023 Rev. 17 - 2
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MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR
Marking Information
(1) SIP-3L
(Top View)
Part Number
(2) SC59 (commonly known as SOT23 in Asia)
180
WW X
Y
: Year : 0~9
Y
WW
: Week : 01~52, "52" represents
52 and 53 week
X
: Internal Code : A~Z : Green
AH180
SWITCH
a~z : Lead Free
(3) DFN2020-6
( Top View )
XX : Identification code
: Year 0~9
Y
: Week : A~Z : 1~26 week;
XX Y W
X
W
a~z : 27~52 week; z represents
52 and 53 week
: A~Z : Green
X
Part Number Package Identification Code
AH180 SC59 K0
( Top View )
Pin 1 indicator
180
Y
WX
Y : Year : 0~9
W
: W eek : A~Z : 1 ~26 week;
a~z : 27~52 week; z represents
52 and 53 week
X
: A~Z : Gre e n
AH180
Document number: DS31023 Rev. 17 - 2
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Marking Information (Continued)
(4) DFN2020-3
( Top View )
XX
Y
WX
Part Number Package Identification Code
AH180 DFN2020-3 K0
AH180
MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR
SWITCH
Pin 1 indicator
: Ide ntification Co de
XX
Y : Year : 0~9
W
: Week : A~Z : 1~26 week;
a~z : 27~52 week; z represents
52 and 53 week
X
: A~Z : Gree n
AH180
Document number: DS31023 Rev. 17 - 2
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MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR
Package Outline Dimensions (All Dimensions in mm)
(1) Package Type: SIP-3L for Bulk pack
0.51mm
NOM
2.00 +/-
0.10mm
1.15 +/-
0.10mm
AH180
SWITCH
Package Dimension
BRANDED
SURFACE
123
Active Area Depth Sensor Location
AH180
Document number: DS31023 Rev. 17 - 2
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MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR
Package Outline Dimensions (Continued)
(2) Package Type: SIP-3L for Ammo pack
AH180
SWITCH
(3) SC59 (Commonly known as SOT23 in Asia)
0.35/0.50
1.00/
1.30
0.013/0.10
TOP VIEW
1.90
2.90/3.10
0.95
2.70/
1.50/
1.70
3.00
0.35/0.55
0.10/0.20
AH180
Document number: DS31023 Rev. 17 - 2
O
0O/8
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MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR
Package Outline Dimensions (Continued)
(4) Package Type: DFN2020-6
AH180
SWITCH
0.05 C
0.08 C
Pin#1 ID
0.15 C
2x-
(5) Package Type: DFN2020-3
0.57/0.63
B
1.95/2.075
0/0.05
2x
0.76/0.96
1
.
0
R
0.65nom.
C
0.15
Bottom View
1.95/2.075
1.45/1.65
Marking
0.15max.
A
0.30/0.40
0.2/0.3
0.43mon.
(Active area depth)
Seating plane
C
Sensor location
0.05
M C A B
AH180
Document number: DS31023 Rev. 17 - 2
2x-
0.10
0.08
0.25
0.57/0.63
C
C
Typ 0.60
0.13Max.
Seating plane
C
L
0.5Typ
0/0.05
B
R0
.
2
C
L
0.8/1.0
1.95/2.075
B
0.10
M C A B
0.2/0.3
1.1/1.3
Sensor location
0.325(Ref.)
1.95/2.075
A
Bottom View
0.25
2x
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C
0.35/0.450.138(Ref.)
A
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© Diodes Incorporated
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Taping Orientation (Note 12)
(1) DFN2020-6
AH180
MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR
SWITCH
(2) DFN2020-3
Notes: 12. The taping orientation of the other package type can be found on our website at http://www.diodes.com/datasheets/ap02007.pdf.
AH180
Document number: DS31023 Rev. 17 - 2
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AH180
MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR
SWITCH
IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS
DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other
changes without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability
arising out of the application or use of this document or any product described herein; neither does Diodes In corporated convey any
license under its patent or trademark rights, nor the rights of others. Any Customer or user of this documen t or products described
herein in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies
whose products are represented on Diodes Incorporated website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized
sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall
indemnify and hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees
arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign p atents pending. Product names
and markings noted herein may also be covered by one or more United States, international or foreign trademarks.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without
the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided
in the labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected
to cause the failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support dev ices or
systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements
concerning their products and any use of Diodes Incorporated products in such safety-critical, life support devices or systems,
notwithstanding any devices- or systems-related information or support that may be provided by Diodes Incorporated. Further,
Customers must fully indemnify Diodes Incorporated and its representatives against any damages arising out of the use of Diodes
Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2010, Diodes Incorporated
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AH180
Document number: DS31023 Rev. 17 - 2
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