AH180N MICROPOWER OMNIPOLAR HALL-EFFECT SWITCH Description Pin Assignments (Top View) The AH180N is a high sensitivity, micro power Omnipolar Hall Effect switch IC designed for portable and battery powered equipment such as cellular phones, PDA’ s and portable PC’ s. Based on two sensitive Hall Effect plates and a chopper stabilized architecture the AH180N provides a reliable solution over the whole operating range. 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 24uA with a supply of 3V. 3. Output GND 2. 1 . Vdd SC59 and TSOT23 ( Top View ) The single open drain output can switched on with either a North or South pole of sufficient strength. When the magnetic flux density (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. NC 1 GND 2 NC 3 Applications • • • • • • • • • • • • • • • Output 4 Vdd SOT553 Features Omnipolar (North or South pole) operation High sensitivity Single open drain output Micropower operation 2.5V to 5.5V operating range Chopper stabilized design provides o Superior temperature stability o Minimal switch point drift o Enhanced immunity to stress Good RF noise immunity -40°C to 85°C operating temperature ESD (HBM) ＞ 6KV 5 Cover switch in clam-shell or slide type cellular phones Display switch for portable PCs On/Off switch for PDAs and digital cameras Contact-less switch in consumer products SC59 (SOT23), TSOT23, and SOT553 Low profile packages “Green” Molding Compound AH180N Document number: DS32174 Rev. 3 - 2 1 of 9 www.diodes.com January 2011 © Diodes Incorporated AH180N MICROPOWER OMNIPOLAR HALL-EFFECT SWITCH Typical Application Circuit 2.5V to 5.5V Vdd RL C Output AH180N GND Note: C is for power stabilization and to strengthen the noise immunity, the recommended capacitance is 10nF ~ 100nF. R L is the pull-up resistor, the recommended resistance is 10kOhm ~ 100kOhm. Pin Descriptions Pin Name Vdd GND Output P/I/O P/I P/I O Description Power Supply Input Ground Output Pin Functional Block Diagram Vdd Power Switch Offset Cancelling Hall Plate Amp Latch Output Output Controller AH180N Document number: DS32174 Rev. 3 - 2 Offset Cancelling Hall Plate Amp GND Latch 2 of 9 www.diodes.com January 2011 © Diodes Incorporated AH180N MICROPOWER OMNIPOLAR HALL-EFFECT SWITCH Absolute Maximum Ratings (TA = 25°C) Symbol Vdd B Characteristics Values 7 Supply Voltage Magnetic Flux Density Unlimited SC59 PD Unit V Package Power Dissipation 230 TSOT23 230 SOT553 230 mW -65 to +150 °C 150 °C Conditions Rating Unit Supply Voltage Operating 2.5 to 5.5 V Operating Temperature Range Operating -40 to +85 °C Ts Storage Temperature Range TJ Maximum Junction Temperature Recommended Operating Conditions (TA = 25°C) Symbol Vdd TA Parameter Electrical Characteristics (TA = 25°C, Vdd = 3V; unless otherwise specified) Symbol VOUT Ioff Idd(en) Characteristic Output On Voltage Output Leakage Current Idd(en) Idd(dis) Idd(dis) Supply Current Idd(avg) Idd(avg) Tawake Tperiod D.C. Notes: Awake Time Period Duty Cycle Conditions IOUT =1mA VOUT =5.5V, Output off Chip enable, TA = 25°C, Vdd = 3V Chip enable, TA = -40 to 85(C, Vdd = 2.5V to 5.5V Chip disable, TA = 25°C, Vdd = 3V Chip disable, TA = -40 to 85°C, Vdd = 2.5V to 5.5V Average supply current, TA = 25°C, Vdd = 3V Average supply current, TA = -40 to 85°C, Vdd = 2.5V to 5.5V (Note 1) (Note 1) Min ⎯ ⎯ ⎯ Typ. 0.1 <0.1 3 Max 0.3 1 6 Unit V µA mA ⎯ 3 12 mA ⎯ 5 10 µA ⎯ 5 28 µA ⎯ 8 16 µA ⎯ 8 40 µA ⎯ ⎯ ⎯ 75 75 0.1 125 125 ⎯ µs ms % 1. When power is initially turned on, 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). Tperiod Tawake Idd(en) Sample and output latched Idd (dis) 0 AH180N Document number: DS32174 Rev. 3 - 2 3 of 9 www.diodes.com January 2011 © Diodes Incorporated AH180N MICROPOWER OMNIPOLAR HALL-EFFECT SWITCH Magnetic Characteristics (TA = 25°C, Vdd = 3V, Note 2 & 3) Symbol Bops(south pole to brand side) Bopn(north pole to brand side) Brps(south pole to brand side) Brpn(north pole to brand side) Bhy(|Bopx|-|Brpx|) Notes: Parameter Min -50 10 - Operation Point Release Point Hysteresis (1mT=10 Gauss) Max Unit 50 Gauss -10 - Typ. 35 -35 25 -25 10 2. Typical data is at TA = 25°C, Vdd = 3V, and for design information only. 3. The magnetic characteristics may vary with supply voltage, operating temperature and after soldering. Vcc ( off-state ) Turn on Bhy Turn off Output ( Output Voltage ) ( Output Voltage ) Output ( off-state ) Turn off ( on-state ) Bopn Brpn 0 ( Magnetic flux density B ) AH180N Document number: DS32174 Rev. 3 - 2 Bhy Turn on Vsat Vsat Vcc ( on-state ) 0 Brps Bops ( Magnetic flux density B ) 4 of 9 www.diodes.com January 2011 © Diodes Incorporated AH180N MICROPOWER OMNIPOLAR HALL-EFFECT SWITCH Performance Characteristics (1) SC59 (commonly known as SOT23 in Asia), TSOT23, and SOT553 TA (°C) PD (mW) 25 230 50 184 60 166 70 147 P D (m W ) 80 129 85 120 90 110 100 92 110 74 120 55 130 37 140 18 150 0 P o w e r D is s i p a tio n C u rv e 300 200 100 0 -40 0 25 50 75 85 100 12 5 150 o TA ( C) AH180N Document number: DS32174 Rev. 3 - 2 5 of 9 www.diodes.com January 2011 © Diodes Incorporated AH180N MICROPOWER OMNIPOLAR HALL-EFFECT SWITCH Ordering Information AH 180N - XX G - 7 Package W : SC59 WS : TSOT23 Z : SOT553 Green Packing G : Green 7 : Tape & Reel 7” Tape and Reel Device Package Code Packaging (Note 4 & 5) Quantity Part Number Suffix AH180N-WG-7 W SC59 3000/Tape & Reel -7 AH180N-WSG-7 WS TSOT23 3000/Tape & Reel -7 AH180N-ZG-7 Z SOT553 3000/Tape & Reel -7 Notes: 4. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at http://www.diodes.com/products/lead_free.html. 5. 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. Marking Information (1) SC59 (commonly known as SOT23 in Asia) and TSOT23 ( Top View ) XX Y W X Part Number AH180N AH180N XX : Identification code Y : Year 0 to 9 W : Week : A to Z : 1 to 26 week; a to z : 27 to 52 week; z represents 52 and 53 week X : A to Z : Green Package SC59 TSOT23 Identification Code K9 N9 (2) SOT553 ( Top View ) XX Y W X Part Number AH180N AH180N Document number: DS32174 Rev. 3 - 2 XX : Identification Code Y : Year : 0 to 9 W : Week : A to Z : 1~26 week; a to z : 27~52 week; z represents 52 and 53 week X : A to Z : Green Package SOT553 6 of 9 www.diodes.com Identification Code K9 January 2011 © Diodes Incorporated AH180N MICROPOWER OMNIPOLAR HALL-EFFECT SWITCH Package Outline Dimensions (All Dimensions in mm) (1) Package Type: SC59 (commonly known as SOT23 in Asia) (2) Package Type: TSOT23 AH180N Document number: DS32174 Rev. 3 - 2 7 of 9 www.diodes.com January 2011 © Diodes Incorporated AH180N MICROPOWER OMNIPOLAR HALL-EFFECT SWITCH Package Outline Dimensions (Continued) (3) Package Type: SOT553 1.50/1.70 0.10/0.18 2.2 C L 1.2 C L 1.7 0.1 6°~8 ° CL 5x-0.5 0.30 C D CL 0.45/0.67 1.10/1.25 1.0Typ. A Hall Sensor Pin1 0.5Typ. 0.30 C 1.55/1.70 D 0.30 C D 1.0Typ. 0.15/0.30(5x) 0.10 M C A-B D B 0.55/0.62 6°~8° Pin1 0.5Typ. 0.3 Land Pattern Recommendation (Unit:mm) Top View 6°~ 8° AH180N Document number: DS32174 Rev. 3 - 2 8 of 9 www.diodes.com January 2011 © Diodes Incorporated AH180N MICROPOWER OMNIPOLAR HALL-EFFECT 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. 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