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AH180
MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR SWITCH
Features
* * * * * * * * * * * * Micropower operation Operation with magnetic field of either north or south pole (omnipolar) 2.5V to 5.5V battery operation Chopper stabilized Superior temperature stability Good RF noise immunity -40C to 85C operating temperature SIP-3L/SC59-3L/Low profile DFN2020-6 package ESD (HBM) 5KV for DFN2020-6 6KV for SIP-3L and SC59-3L Lead Free Finish/RoHS Compliant for Lead Free products (Note 1) Green Packages: SC59-3L, DFN2020-6 Lead Free Package: SIP-3L
General Description
AH180 is comprised of two Hall effect plates and an open-drain output driver, mainly designed for battery-operation, hand-held equipment (such as Cellular and Cordless Phone, PDA). The total power consumption in normal operation is typically 24W with a 3V power source. Either north or south pole of sufficient strength will turn the output on. The output will be turned off under no magnetic field. While the magnetic flux density (B) is larger than operating point (Bop), the output will be turned on (low), the output is held until B is lower than release point (Brp), then turned off.
Applications
* * * Cover switch in clam-shell cellular phones Cover switch in Notebook PC/PDA Contact-less switch in consumer products C
Pin Description
Name Vdd GND Output P/I/O P/I P/I O Pin # 1 2 3 Description Power Supply Input Ground Output Pin
Ordering Information
AH180 - X X X
Package P: SIP-3L W: SC59-3L SN: DFN2020
Note: 1.
Lead
Packing
L: Lead-Free ( Note 3) -A: Ammo Box (Note 5) -B: Bulk (Note 6) G: Green ( Note 4) -7: Taping
RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see EU Directive Annex Notes 5 and 7.
Tube/Bulk Package Packaging Part Code (Note 2) Quantity Number Suffix
AH180-P AH180-W AH180-SN P W SN SIP-3L SC59-3L DFN2020-6 1000 NA NA -B NA NA
7" Tape and Reel Ammo Box Part Part Quantity Number Quantity Number Suffix Suffix
NA 3000/Tape & Reel 3000/Tape & Reel NA -7 -7 4000/Box NA NA -A NA NA
Note: 2. 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. 3. Lead Free is only for SIP-3L. 4. Green is only for SC59 and DFN2020. 5. Ammo Box is for SIP-3L Spread Lead. 6. Bulk is for SIP-3L Straight Lead.
AH180 Rev. 5
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AH180
MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR SWITCH
Pin Assignment
3. Output 3. Output 2. GND 1. Vdd (SIP- 3L Top View) (SC59-3L Top View) GND 2. 1 . Vdd
1. Vdd
NC
3. Output
NC 2. GND (DFN2020-6, Side view)
Note: 7. NC is "No Connection" which is recommended to be tied to ground.
NC
Block Diagram
Vdd
1
Power switch Offset Cancelling Hall Plate
Output Amp Latch
3
Logical GND
2
Offset Cancelling Hall Plate Amp Latch
AH180 Rev. 5
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AH180
MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR SWITCH
Typical Circuit
2.5~5.5V
RL C AH180 Gnd Output
Note:
8.
C is for power stabilization and to strengthen the noise immunity, the recommended capacitance is 10nF~100nF.
Absolute Maximum Ratings (at TA= 25C)
Characteristics Supply voltage Magnetic flux density Operating Temperature Range Storage Temperature Range Package Power Dissipation Maximum Junction Temp PD Symbol Vdd B TA Ts SIP-3L SC59-3L/DFN2020-6 Tjc Values 7 Unlimited -40 to +85 -65 to +150 550 230 150 Unit V C C mW mW C
Recommended Operating Conditions ( TA = 25C )
Parameter Supply Voltage Symbol Vdd Conditions Operating Rating 2.5~5.5 Unit V
AH180 Rev. 5
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AH180
MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR SWITCH
Electrical Characteristics ( TA = +25C, Vdd = 3V; unless otherwise specified)
Characteristic Output On Voltage Output Leakage Current Supply Current Awake Time Period Duty Cycle Symbol Vout Ioff Idd(en) Idd(dis) Idd(avg) Tawake Tperiod D.C. Conditions Iout=1mA Vout=5.5V, B < Brp Chip enable Chip disable Average supply current Min Typ 0.1 <0.1 3 5 8 75 75 0.1 Max 0.3 1 6 10 16 125 125 Unit V A mA A A s ms %
Magnetic Characteristics (TA=25C, Vdd=3V)
Characteristic Symbol Bops(south pole to brand side) Operate Point Bopn(north pole to brand side) Brps(south pole to brand side) Release Point Brpn(north pole to brand side) Bhy( Bopx - Brpx ) Hysteresis Min -60 10 Typ 40 -40 30 -30 15 (1mT=10 Gauss) Max Unit 60 Gauss -10 -
Notes:
9. Typical data is at Ta = 25C, Vdd = 3V, and for design information only. 10. Operating point and release point will vary with supply voltage and operating temperature.
Output ( Output Voltage ) ( Output Voltage )
Output
Vcc ( off-state )
Turn off Turn on
( off-state )
Vcc
Bhy
Turn off
Bhy
Turn on
( on-state )
Vsat Bopn Brpn 0 ( Magnetic flux density B )
Vsat
( on-state )
0 Brps Bops ( Magnetic flux density B )
AH180 Rev. 5
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AH180
MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR SWITCH
Performance Characteristics (SIP-3L)
TA (C) PD (mW) TA (C) PD (mW)
PD (mW)
600 500 400 300 200 100 0 0 25 50 75 85 100 125 150
25 550 105 198
50 440 110 176
60 396 115 154
70 352 120 132
80 308 125 110
85 286 130 88
90 264 135 66
95 242 140 44
100 220 150 0
Power Dissipation Curve
TA (C)
Performance Characteristics (SC59-3L/DFN2020-6)
TA (C) PD (mW) 25 230 50 184 60 166 70 147 80 129 85 120 90 110 100 92 110 74 120 55 130 37 140 18 150 0
P D (m W )
300
P o w e r D is s ip a tio n C u rv e
200
100
0 0 25 50 75 85 100 125 150
T A ( C )
AH180 Rev. 5
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AH180
MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR SWITCH
Marking Information
(1) SIP-3L
(Top View) 180 Y WW x : Year: "01"= 2001 "02"= 2002 WW : Nth Week 01~52 x : Internal code a~z: Lead Free Y
(2) SC59
(Top View) XX : K0: AH180 XX Y M X Y : Year 0~9 M : Month A~L X : Internal code A~Z: Green
Part Number AH180 (3) DFN2020
Package SC59
Identification Code K0
(Top View) 180 YM X
X : Internal code A~Z: Green Y : Year 0~9 M : Month A~L
AH180 Rev. 5
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AH180
MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR SWITCH
Package Information (unit: mm)
(1) SIP-3L
0.51mm NOM 2.10 mm
1.55 mm
BRANDED SURFACE
1
2
3
Active Area Depth
Package Dimension
Sensor Location
AH180 Rev. 5
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AH180
MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR SWITCH
Package Information (Continued)
(2) SIP-3L for Ammo Pack-only
(3) SC59-3L
0.35/0.50
1.50/ 1.70
TOP VIEW
2.70/ 3.00
1.90 2.90/3.10 1.00/ 1.30 0.10/0.20
0.013/0.10
0.95
0.35/0.55 0/8
AH180 Rev. 5
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AH180
MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR SWITCH
Package Information (Continued)
(4) DFN2020-6
0.57/0.63 0.43mon.
Marking
0.05 C 0.15max. (Active area depth) Seating plane C
0.08 C 0/0.05 2x 0.15 C
Pin#1 ID B
1.95/2.075 1.45/1.65
A
Sensor location
1.95/2.075
0.76/0.96
R0
.1
2x-
0.15 C 0.65nom. Bottom View 0.2/0.3 0.05 M C A B
IMPORTANT NOTICE Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products 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 our website, harmless against all damages. LIFE SUPPORT Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the President of Diodes Incorporated.
AH180 Rev. 5
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FEBRUARY 2007
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