AH1389 ULTRA SENSITIVE DUAL OUTPUT UNIPOLAR HALL EFFECT SWITCH Description Pin Assignments The AH1389 is a miniature micropower magnetic Unipolar Hall effect switch IC with dual outputs specifically designed for portable and battery (Top View) powered consumer equipment to home appliances and industrial applications. To support battery powered equipment and low voltage VDD microcontrollers, the AH1389 can operate over the supply range of 1.6V Output1(N-Pole) 1 4 2 3 to 3.6V and uses a sleep function to give an average supply current of NEW PRODUCT only 4μA at 1.85V. The AH1389 has an 8kV ESD rating on the supply and output pins. To minimize PCB space the AH1389 is packaged in small low profile X2-DFN1410-4. A North pole of sufficient strength will turn Output1 on and a South pole GND of sufficient strength will turn on Output2. The Output1 is turned on Output2(S-Pole) (pulled low) when the magnetic flux density (B), perpendicular to the X2-DFN1410-4 part marking surface, falls below North field operate point B OPN (-25G typical). The Output1 is held low until B rises above the North field release point BRPN (-20G typical).Similarly, the Output2 will operate (pulled low) when B to the part marking surface rises above South field Applications operate point BOPS (25G typical) and is held low until B falls below the South field release point BRPS (20G typical). Features Two Monolithic Unipolar Hall Switches Operation with a North Pole (Output1) to Part Marking Surface Operation with a South Pole (Output2) to Part Marking Surface Supply Voltage of 1.6V to 3.6V Micropower Operation Dual Outputs for Independent Pole Detection for Design Flexibility Internal Pull up and Pull Down Capability Chopper Stabilized Design Superior Temperature Stability Extremely Low Switch-Point Drift Insensitive to Physical Stress Good RF Noise Immunity Operating Temperature Range -40C to +85C 8kV ESD on Supply and Output Pins Small Low Profile X2-DFN1410-4 Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. “Green” Device (Note 3) Notes: Smart Cover or Dock Detect for Cellular Phones and Tablet Position Detect for Digital Still, Video Cameras and Handheld Gaming Consoles Door, Lids and Tray Position Detect Switches Home Appliances and Industrial Applications Level, Proximity and Position Switches Contact-Less Switches in Home Appliances and Industrial Applications 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. AH1389 Document number: DS39033 Rev. 2 - 2 1 of 9 www.diodes.com June 2017 © Diodes Incorporated AH1389 Typical Applications Circuit GND VDD CIN AH1389 Output1 (N-Pole) NEW PRODUCT Output2 (S-Pole) Note: 4. CIN is for power stabilization and to strengthen the noise immunity, the recommended capacitance is 100nF typical and should be placed as close to the supply pin as possible. Pin Descriptions Package: X2-DFN1410-4 Pin Number Pin Name 1 VDD 2 3 4 Pad GND Output2 Output1 Pad Function Power Supply Input Ground Pin Output Pin(South-Pole) Output Pin(North-Pole) The center exposed pad should be tied to the GND or floating – No connection internally. Functional Block Diagram VDD 1 Sleep/Awake Logic and Power Switch 4 Offset Cancellation Hall Plate Amp Latch and Output Driver Controller GND VDD 3 2 AH1389 Document number: DS39033 Rev. 2 - 2 2 of 9 www.diodes.com Output1 (N-Pole) Output2 (S-Pole) GND June 2017 © Diodes Incorporated AH1389 Absolute Maximum Ratings (Note 5) (@TA = +25°C, unless otherwise specified.) NEW PRODUCT Symbol Parameter Values Unit V VDD Supply Voltage (Note 6) 6 VDD_REV Reverse Supply Voltage -0.3 V IOUTPUT Output Current (Source and Sink) 2.5 mA B Magnetic Flux Density PD Package Power Dissipation TSTG Storage Temperature Range X2-DFN1410-4 Maximum Junction Temperature TJ ESD HBM Notes: Unlimited 230 mW -65 to +150 °C +150 °C 8 kV Human Body Model ESD Capability 5. 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. 6. The absolute maximum VDD of 6V 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 Rating Unit Supply Voltage Parameter Operating 1.6 to 3.6 V Operating Temperature Range Operating -40 to +85 C Electrical Characteristics Symbol Conditions (@TA = +25°C, unless otherwise specified.) Parameter Conditions Min Typ Max Unit VOL Output Low Voltage (On) IOUT = 1mA — 0.1 0.2 V VOH Output High Voltage (Off) IOUT = -1mA VDD-0.2 VDD-0.1 — V During ‘Awake’ Period, TA = +25°C, VDD = 3V — 2.1 — mA During ‘Sleep’ Period, TA = +25°C, VDD = 3V — 2.5 — µA TA = +25°C, VDD = 1.85V — 4 8 µA TA = +25°C, VDD = 3.6V — 7.2 13 µA IDD(AWAKE) Supply Current IDD(SLEEP) IDD(AVG) Average Supply Current tAWAKE Awake Time (Note 7) — 50 100 µs tPERIOD Period (Note 7) — 50 100 ms Duty Cycle — — 0.1 — % D.C. Note: 7. When power is initially turned on, the operating VDD (1.6V to 3.6V) must be applied to guaranteed the output sampling. The output state is valid after the second operating cycle (typical 100ms). tPERIOD tAWAKE IDD(AWAKE) tSLEEP Sample and output latched IDD(AVG) IDD(SLEEP) 0 AH1389 Document number: DS39033 Rev. 2 - 2 3 of 9 www.diodes.com June 2017 © Diodes Incorporated AH1389 Magnetic Characteristics (Notes 8 & 9) (TA = +25°C, VDD = 1.85V, unless otherwise specified.) Standard convention for representing the direction of magnetic field strength and flux density by positive and negative signs is as follows: Magnetic field and flux density from South pole magnet to the part marking surface of the sensor is positive. Magnetic field and flux density from the North pole magnet to the part marking surface is negative field. The positive and negative signs in below graph follow this standard convention. The positive and negative signs in the table below follow this standard convention. Characteristics BOPS (South Pole to Part Marking Side) Output2 BOPN (North Pole to Part Marking Side) Output1 BRPN (North Pole to Part Marking Side) Output1 BHY (|BOPX|-|BRPX|) Notes: Output2 Operation Point Output1 Operation Point BRPS (South Pole to Part Marking Side) Output2 Output2 Release Point Output1 Release Point Hysteresis (Note 10) Test Condition (1mT=10 Gauss) Max Unit Min Typ VDD = 1.85V TA = +25°C 14 25 32 VDD = 1.6V to 3.6V TA = -40°C to +85°C 13 25 39 VDD = 1.85V TA = +25°C -32 -25 -14 VDD = 1.6V to 3.6V TA = -40°C to +85°C -39 -25 -13 VDD = 1.85V TA = +25°C 12 20 30 VDD = 1.6V to 3.6V TA = -40°C to +85°C 9 20 37 VDD = 1.85V TA = +25°C -30 -20 -12 VDD = 1.6V to 3.6V TA = -40°C to +85°C -37 -20 -9 1 5 — — Gauss 8. Typical data is at TA = +25C, VDD = 1.85V. 9. Maximum and minimum parameter values over operating temperature range are not tested in production, they are guaranteed by design, characterization and process control. The magnetic characteristics may vary with supply voltage, operating temperature and after soldering. 10. Typical and minimum hysteresis is guaranteed by design and characterization. OUTPUT1 (N-Pole) VOH Turn on ( Off-State ) V DD BHY Turn off OUTPUT2 (S-Pole) ( Output Voltage ) ( Output Voltage ) NEW PRODUCT Symbol VDD ( Off-State ) Turn off VOH BHY Turn on ( On-State ) ( On-State ) VOL VOL BOPN BRPN 0 ( Magnetic Flux Density B ) AH1389 Document number: DS39033 Rev. 2 - 2 0 BRPS BOPS ( Magnetic Flux Density B ) 4 of 9 www.diodes.com June 2017 © Diodes Incorporated AH1389 Typical Operating Characteristics BOPS BRPS BOPS BRPS BHY BHY BRPN BOPN NEW PRODUCT BRPN BOPN Switch Points BOP and BRP vs. Temperature Switch Points BOP and BRP vs. Supply Voltage BOPS BRPS BOPS BRPS BHY BHY BRPN BOPN BRPN BOPN Switch Points BOP and BRP vs. Temperature Switch Points BOP and BRP vs. Temperature AH1389 Document number: DS39033 Rev. 2 - 2 5 of 9 www.diodes.com June 2017 © Diodes Incorporated AH1389 Ordering Information AH1389 - X - X Packing Package NEW PRODUCT HK4 : X2-DFN1410-4 7 : Tape & Reel Part Number Package Code Packaging AH1389-HK4-7 HK4 X2-DFN1410-4 Quantity 7” Tape and Reel Part Number Suffix 4000/Tape & Reel -7 Marking Information (1) Package Type: X2-DFN1410-4 ( Top View ) XX YWX AH1389 Document number: DS39033 Rev. 2 - 2 Pin 1 Indicator XX : Identification Code Y : Year : 0~9 W : Week : A~Z : 1~26 Week; a~z : 27~52 Week; z Represents 52 and 53 Week X : Internal Code Part Number Package Identification Code AH1389-HK4-7 X2-DFN1410-4 FG 6 of 9 www.diodes.com June 2017 © Diodes Incorporated AH1389 Package Outline Dimensions Please see http://www.diodes.com/package-outlines.html for the latest version. (1) Package Type: X2-DFN1410-4 A A1 A3 NEW PRODUCT Seating Plane X2-DFN1410-4 Dim Min Max Typ A -0.40 0.37 A1 0.00 0.05 0.02 A3 --0.100 b 0.17 0.27 0.22 D 0.95 1.05 1.00 D2 0.70 0.90 0.80 E 1.35 1.45 1.40 E2 0.50 0.70 0.60 e 0.50BSC k --0.20 L 0.15 0.25 0.20 z --0.14 All Dimensions in mm D D2 e (Pin #1 ID) k E E2 Z b L 0.11/0.25 Top View Pin# 1 C L PART MARKING SURFACE 0.68/0.73 CL Die Hall Sensor 0.47/0.53 Sensor Location AH1389 Document number: DS39033 Rev. 2 - 2 7 of 9 www.diodes.com June 2017 © Diodes Incorporated AH1389 Suggested Pad Layout Please see http://www.diodes.com/package-outlines.html for the latest version. (1) Package Type: X2-DFN1410-4 X1 NEW PRODUCT Y Dimensions Y1 Y2 Y3 C X X1 Y Y1 Y2 Y3 Value (in mm) 0.50 0.22 0.80 0.35 0.60 1.00 1.70 X C AH1389 Document number: DS39033 Rev. 2 - 2 8 of 9 www.diodes.com June 2017 © Diodes Incorporated AH1389 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). NEW PRODUCT 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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