AH180N MICROPOWER OMNIPOLAR HALL-EFFECT SWITCH Description Pin Assignments 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 24µA with a supply of 3V. 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. Features Applications • Omnipolar (North or South pole) Operation • Cover Switch in Clam-Shell or Slide Type Cellular Phones • High Sensitivity • Display Switch for Portable PCs • Single Open Drain Output • On/Off Switch for PDAs and Digital Cameras • Micropower Operation • Contact-Less Switch in Consumer Products • 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 +85°C Operating Temperature • ESD (HBM) > 6KV • SC59 (SOT23), TSOT23, and SOT553 Low Profile 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 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. AH180N Document number: DS32174 Rev. 4 - 2 1 of 8 www.diodes.com August 2012 © Diodes Incorporated AH180N Typical Applications Circuit 2.5V to 5.5V V DD RL C AH180N OUTPUT 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 Function Power Supply Input Ground Output Pin Functional Block Diagram Offset Cancelling Offset Cancelling AH180N Document number: DS32174 Rev. 4 - 2 2 of 8 www.diodes.com August 2012 © Diodes Incorporated AH180N Absolute Maximum Ratings (Note 4) (@TA = +25°C, unless otherwise specified.) Symbol Parameter VDD B Supply Voltage (Note 5) Magnetic Flux Density PD Package Power Dissipation Ts Storage Temperature Range TJ Maximum Junction Temperature Notes: Ratings Unit 7 V Unlimited SC59 TSOT23 SOT553 230 230 230 mW -65 to +150 °C 150 °C 4. 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 5. The absolute maximum VDD of 7V is a transient stress rating and is not meant as a functional operating condition. It is not recommended to operate the device at the absolute maximum rated conditions for any period of time. Recommended Operating Conditions (@TA = +25°C, unless otherwise specified.) Symbol VDD TA Parameter Supply Voltage Operating Temperature Range Conditions Operating Rating 2.5 to 5.5 Unit V Operating -40 to +85 °C Electrical Characteristics (@TA = +25°C, VDD = 3V, unless otherwise specified.) Symbol VOUT Parameter Conditions Output On Voltage IOUT = 1mA Output Leakage Current Min Typ Max Unit ⎯ 0.1 0.3 V VOUT = 5.5V, Output Off ⎯ <0.1 1 µA Idd(en) Chip Enable, TA = +25°C, VDD = 3V ⎯ 3 6 mA Idd(en) Chip Enable, TA = -40 to +85°C, VDD = 2.5V to 5.5V ⎯ 3 12 mA Idd(dis) Chip Disable, TA = +25°C, VDD = 3V ⎯ 5 10 µA Chip Disable, TA = -40 to 85°C, VDD = 2.5V to 5.5V ⎯ 5 28 µA Average Supply Current, TA = +25°C, VDD = 3V Average Supply Current, TA = -40 to +85°C, VDD = 2.5V to 5.5V ⎯ 8 16 µA ⎯ 8 40 µA Ioff Idd(dis) Supply Current Idd(avg) Idd(avg) Tawake Awake Time (Note 6) ⎯ 75 125 µs Tperiod Period (Note 6) ⎯ 75 125 ms ⎯ 0.1 ⎯ % D.C. Notes: Duty Cycle 6. 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. 4 - 2 3 of 8 www.diodes.com August 2012 © Diodes Incorporated AH180N Magnetic Characteristics (Note 7 & 8) (@TA = +25°C, VDD = 3V, unless otherwise specified.) Symbol Bops(south pole to brand side) Bopn(north pole to brand side) Parameter Operation Point Brps(south pole to brand side) Brpn(north pole to brand side) Bhy(|Bopx|-|Brpx|) Notes: Release Point Hysteresis Min — -50 Typ 35 -35 Max 50 — Unit 10 — — 25 -25 10 — -10 — Gauss 7. Typical data is at TA = +25°C, VDD = 3V, and for design information only. 8. The magnetic characteristics may vary with supply voltage, operating temperature and after soldering. OUTPUT ( Output Voltage ) ( Output Voltage ) OUTPUT Vcc ( off-state ) Turn on Turn off Bhy ( on-state ) ( off-state ) Turn off Bhy Turn on ( on-state ) Vsat Vsat Vcc Bopn Brpn 0 ( Magnetic flux density B ) 0 Brps Bops ( Magnetic flux density B ) Performance Characteristics (1) SC59 (commonly known as SOT23 in Asia), TSOT23, and SOT553 TA (°C) 25 50 60 70 80 85 90 100 110 120 130 140 150 PD (mW) 230 184 166 147 129 120 110 92 74 55 37 18 0 PD, POWER DISSIPATION (mW) 300 200 100 0 -40 AH180N Document number: DS32174 Rev. 4 - 2 25 50 75 85 100 TA, OPERATING TEMPERATURE (°C) Power Dissipation Curve 4 of 8 www.diodes.com 125 150 August 2012 © Diodes Incorporated AH180N Ordering Information AH 180N - XX G - 7 Package W : SC59 WS : TSOT23 Z : SOT553 Device Package Code Packaging AH180N-WG-7 AH180N-WSG-7 AH180N-ZG-7 W WS Z SC59 TSOT23 SOT553 Green Packing G : Green 7 : Tape & Reel 7” Tape and Reel Quantity 3000/Tape & Reel 3000/Tape & Reel 3000/Tape & Reel Part Number Suffix -7 -7 -7 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. 4 - 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 5 of 8 www.diodes.com Identification Code K9 August 2012 © Diodes Incorporated AH180N 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 (2) Package Type: TSOT23 AH180N Document number: DS32174 Rev. 4 - 2 6 of 8 www.diodes.com August 2012 © Diodes Incorporated AH180N Package Outline Dimensions (Continued) (All dimensions in mm.) (3) Package Type: SOT553 1.50/1.70 CL 0.30±0.08 6°~8 ° 2.2 1.2 Hall Sensor Pin1 0.5Typ. 0.15/0.30(5x) 0.10 M C A-B D 0.55/0.62 6°~8° 6°~ Document number: DS32174 Rev. 4 - 2 C L 1.7 0.1 Die C L B AH180N 1.0Typ. 0.10/0.18 5x-0.5 0.30 C D 0.45/0.67 1.55/1.70 CL A 0.30 C 1.10/1.25 D 0.30 C D 1.0Typ. Pin1 0.5Typ. 0.3 Land Pattern Recommendation (Unit:mm) Top View 8° 7 of 8 www.diodes.com August 2012 © Diodes Incorporated AH180N 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 Incorporated convey any license under its patent or trademark rights, nor the rights of others. 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