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Description
H1809
LOW SENSITIVITY MICROPOWER
OMNIPLOAR HALL-EFFECT SWITCH
Pin Assignments
The AH1809 is a low sensitivity micro power Omnipolar Hall Effect
switch IC designed for battery powered consumer to home appliance
and industrial equipment such smart e-meters. Based on two Hall
Effect plates and a chopper stabilized architecture the AH1809
provides a reliable solution over the whole operating range. To
support battery and low power applications the design has been
optimized to operate over the supply range of 2.5V to 5.5V and
consumes only 24µW with a supply of 3V.
The single open drain output can be switched on with either a North
or South pole of sufficient strength. When the magnetic flux density
perpendicular to the package (B) is larger than operate point (Bop)
the output is switched on (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 AH1809 is available in SC59, SOT553 and SIP-3L.
Features
• Omnipolar (North or South pole) Operation
• Low Sensitivity
• Single Open Drain Output
• Micropower Operation
• 2.5V to 5.5V Operating Range
• Chopper Stabilized Design Provides
Superior Temperature Stability
Minimal Switch Point Drift
Enhanced Immunity to Stress
• Good RF Noise Immunity
• -40°C to +125°C Operating Temperature
• High ESD
• Small Low Profile SOT553 and Industry Standard SC59 and
SIP-3L Packages
• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
• Halogen and Antimony Free. “Green” Device (Note 3)
Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
Applications
• Smart E-Meters
• Tamper Protection Switch
• Door, Lids and Tray Position Switch
• Proximity and Position Switches
• Level Detects
• On/Off Switch Digital Contact-Less Switch in Industrial and
Consumer Products
TOP View)
SC59
(TOP View)
SOT553
(TOP View)
SIP-3L
3.
2.
1.
OUTPUT
GND
V
DD
AH1809
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Typical Applications Circuit
H1809
Note: 4. CIN is for power stabilization and to strengthen the noise immunity, the recommended capacitance is 10nF ~ 100nF.
R
is the pull-up resistor, the recommended resistance is 10kΩ to 100kΩ.
L
Pin Descriptions
Package: SC59 and SIP-3L
Pin Number Pin Name Function
1
2 GND Ground
3 OUTPUT Output Pin
Package: SOT553
Pin Number Pin Name Function
1 NC No Connection (Note 5)
2 GND Ground
3 NC No Connection (Note 5)
4
5 OUTPUT Output
Note: 5. NC is “No Connection” pin and is not connected internally. This pin can be left open or tied to ground.
V
DD
V
DD
Power Supply Input
Power Supply Input
Functional Block Diagram
AH1809
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H1809
Absolute Maximum Ratings (Note 6) (@T
Symbol Parameter Rating Unit
VDD
V
OUT
V
DD REV
V
OUT_REV
I
OUTPUT
Supply Voltage (Note 7) 7 V
Output Pin Voltage (Note 7) 7 V
Reverse Supply Voltage -0.3 V
Reverse Output Pin Voltage -0.3 V
Output current (source and sink) 2.5 mA
B Magnetic Flux Density Unlimited
PD
Package Power Dissipation
Ts Storage Temperature Range -65 to +150 °C
TJ
Maximum Junction Temperature +150 °C
ESD HBM Human Body Model ESD capability 6 kV
Notes: 6. Stresses greater than the 'Absolute Maximum Ratings' specified above may cause permanent damage to the device. These are stress ratings only;
functional operation of the device at these or any other conditions exceeding those indicated in this specification is not implied. Device reliability may be
affected by exposure to absolute maximum rating conditions for extended periods of time.
7. The absolute maximum V
operate the device at the absolute maximum rated conditions for any period of time.
of 7V is a transient stress rating and is not meant as a functional operating condition. It is not recommended to
DD
Recommended Operating Conditions (@T
Symbol Parameter Conditions Rating Unit
VDD
V
OUT_MAX
TA
Electrical Characteristics (@T
Symbol Parameter Conditions Min Typ Max Unit
V
OUT_ON
Ioff Output Leakage Current
IDD(awake)
IDD(sleep)
IDD(sleep)
IDD(avg)
Tawake Awake Time (Note 8)
Tperiod Period (Note 8)
D.C. Duty Cycle
Note: 8. When power is initially turned on, the operating VDD must be within its correct operating range (2.5V to 5.5V) to guaranteed the output sampling.
The output state is valid after the second operating cycle (typical 150ms).
Supply Voltage Operating 2.5 to 5.5 V
Maximum output pin voltage Operating 5.5 V
Operating Temperature Range Operating -40 to +125
= +25°C, VDD = 3V, unless otherwise specified.)
A
Output On Voltage (V
)
OL
Supply Current
Average Supply Current
= +25°C, unless otherwise specified.)
A
SC59 and SOT553 230 mW
SIP-3L 230
= +25°C, unless otherwise specified.)
A
I
= 1mA
OUT
V
= 5.5V, Output off
OUT
During ‘awake’ period,
= +25°C, VDD = 3V
T
A
During ‘awake’ period,
= -40 to +125°C, VDD = 2.5V to 5.5V
T
A
During ‘sleep’ period,
T
= +25°C, VDD = 3V
A
During ‘sleep’ period,
T
= -40 to +125°C, VDD = 2.5V to 5.5V
A
= +25°C, VDD = 3V
T
A
TA = -40 to +125°C, VDD = 2.5V to 5.5V
°C
— 0.1 0.3 V
— < 0.1 1 µA
—
—
—
—
—
—
—
—
—
3 6 mA
— 12 mA
5 10 µA
28 µA
8 16 µA
— 40 µA
75 125 µs
75 125 ms
0.1 — %
AH1809
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H1809
Magnetic Characteristics (Note 9 &10) (T
Symbol Characteristics Test Condition Min Typ Max Unit
Bops (south pole to part marking side)
Operation Point
Bopn (north pole to part marking side)
Brps (south pole to part marking side)
Brpn (north pole to part marking side)
Bhy (|Bopx|-|Brpx|) Hysteresis (Note 11)
Notes: 9. Typical data is at TA = +25°C, VDD = 3V.
10. Parameters values over operating temperature range are not tested in production, they are guaranteed by design, process control and characterization.
The magnetic characteristics may vary with supply voltage, operating temperature and after soldering.
11. Maximum and minimum hysteresis is guaranteed by design and characterization.
= +25°C, VDD = 2.5V to 5.5V, unless otherwise specified)
A
= +25°C
T
A
TA = -40°C to +125°C
= +25°C
T
A
TA = -40°C to +125°C
= +25°C
T
A
Release Point
TA = -40°C to +125°C
= +25°C
T
A
TA = -40°C to +125°C
= +25°C
T
A
TA = -40°C to +125°C
(1mT=10 Gauss)
100 130 165
90 130 185
-165 -130 -100
-185 -130 -90
90 115 150
80 115 170
-150 -115 -90
-170 -115 -80
10 15 20
5 15 —
Gauss
AH1809
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H1809
Typical Operating Characteristics
TA = +25°C
T
= +25°C
25
20
15
10
5
Average Supply Current IDD (μA)
0
-50 -25 0 25 50 75 100 125 150
Temperatur e ( °C)
Average Supply Current vs. Temperature
AH1809
Document number: DS35523 Rev. 3 - 2
T
= +25°C
5.5V
3V
2.5V
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Thermal Performance Characteristics
(1) Package type: SC59, SOT553 and SIP-3L
T
(°C)
A
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
PD (mW)
300
200
H1809
Power Dissipation Curve
100
0
0 25 50 75 100 125 150
-40
(oC)
T
A
Ordering Information
Part
Number
Suffix
Quantity
Part
Number
Suffix
Bulk 7” Tape and Reel Ammo Box
Part Number
AH1809-W-7 Z SC59 NA NA 3000/Tape & Reel -7 NA NA
AH1809-Z-7 Z SOT553 NA NA 3000/Tape & Reel -7 NA NA
AH1809-P-B P SIP-3L 1000 -B NA NA NA NA
AH1809-P-A P SIP-3L NA NA NA NA -A 4000/Box
Notes: 12. Ammo Box is for SIP-3L Spread Lead.
13. Bulk is for SIP-3L Straight Lead.
Package
Code
Packaging
Quantity
Part
Number
Suffix
Quantity
AH1809
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Marking Information
(1) Package Type: SC59
H1809
(2) Package Type: SOT553
(3) Package Type: SIP-3L
Part Number Package Identification Code
AH1809 SC59 F9
( Top View )
XX
: Identification Code
Y : Year : 0 to 9
W
XX Y W X
: Week : A to Z : 1~26 week;
a to z : 27~52 week; z represents
52 and 53 week
: Internal code
X
Part Number Package Identification Code
AH1809 SOT553 H9
(Top View)
Y
Part Number
1809
Y
WW X
: Year : 0~9
: Week : 01~52, "52" represents
WW
52 and 53 week
X
: Internal Code
AH1809
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Package Outline Dimensions (All dimensions in mm.)
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version.
(1) Package Type: SC59
A
G
H
K
J
D
C
B
N
L
M
Dim Min Max Typ
A 0.35 0.50 0.38
B
C
D
G
H
J
K
L
M
N 0.70 0.80 0.75
α
All Dimensions in mm
SC59
1.50 1.70 1.60
2.70 3.00 2.80
- - 0.95
- - 1.90
2.90 3.10 3.00
0.013 0.10 0.05
1.00 1.30 1.10
0.35 0.55 0.40
0.10 0.20 0.15
0° 8° -
H1809
AH1809
Document number: DS35523 Rev. 3 - 2
Sensor Location
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Package Outline Dimensions (All dimensions in mm.)
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version.
(2) Package Type: SOT553
E1/2
E1
R0.1 MAX.
TYP.
D
e1
e
F
E/2
b (5x)
a
A
°
7
TYP.
E
L (5x)
c
H1809
SOT553
Dim Min Max Typ
A 0.55 0.62 0.60
b 0.15 0.30 0.20
c 0.10 0.18 0.15
D 1.50 1.70 1.60
E 1.55 1.70 1.60
E1 1.10 1.25 1.20
e 0.50 BSC
e1 1.00 BSC
F 0.00 0.10 ––
L 0.10 0.30 0.20
a 6° 8° 7°
All Dimensions in mm
0.45/0.67
Sensor Location
Die
AH1809
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Package Outline Dimensions (cont.) (All dimensions in mm.)
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version.
(3) Package Type: SIP-3L for Bulk Pack
A
a
1
a
2
BP
EF
L
J
C
N
D
3
a
G
H
a4
SIP-3 for Bulk Pack
Dim Min Max
A
3.9 4.3
a1
a2
a3
a4
B
C
D
E
F
G
H
J
L
N
P
5° Typ
5° Typ
45° Typ
3° Typ
2.8 3.2
1.40 1.60
0.33 0.432
0.40 0.508
0 0.2
1.24 1.30
2.51 2.57
0.35 0.43
14.0 15.0
0.63 0.84
1.55 -
ll Dimensions in mm
H1809
Sensor location
AH1809
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Package Outline Dimensions (cont.) (All dimensions in mm.)
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version.
(4) Package Type: SIP-3L for Ammo Pack
A
E
F
B
P
D
G
N
C
a1
a2
SIP-3
for Ammo Pack only
Dim Min Max
A 3.9 4.3
a1
a2
B 2.8 3.2
C 1.40 1.60
D 0.35 0.41
E 0.43 0.48
F 0 0.2
G 2.4 2.9
N 0.63 0.84
P 1.55 -
All Dimensions in mm
45° Typ
3° Typ
H1809
Sensor location
AH1809
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Suggested Pad Layout
Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version.
(1) Package Type: SC59
(2) Package Type: SOT553
Y
Z
X E
C2
C2
G
Z
Y
X
C
C1
Dimensions Value (in mm)
Z 3.4
X 0.8
Y 1
C 2.4
E
Dimensions Value (in mm)
Z 2.2
G 1.2
X 0.375
Y 0.5
C1
C2
H1809
1.35
1.7
0.5
AH1809
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H1809
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 Incorporated convey any license under its patent or
trademark rights, nor the rights of others. Any Customer or user of this document 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 patents pending. Product names and markings
noted herein may also be covered by one or more United States, international or foreign trademarks.
This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the
final and determinative format released by Diodes Incorporated.
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 devices 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 © 2014, Diodes Incorporated
www.diodes.com
AH1809
Document number: DS35523 Rev. 3 - 2
IMPORTANT NOTICE
LIFE SUPPORT
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