AH3562Q HIGH VOLTAGE HIGH SENSITIVITY AUTOMOTIVE HALL EFFECT OMNIPOLAR SWITCH Description Pin Assignments The AH3562Q is an AECQ100-qualified high-voltage, high-sensitivity (Top View) Hall effect omnipolar switch IC designed for position and proximity sensing in automotive applications, such as in seat and seatbelt 3 OUTPUT buckles, steering lock/immobilization, gear stick, transmission actuator and gear position, HVAC compression, wiper, door/trunk GND 2 closure, and so on. To support a wide range of demanding 1 V DD applications, the design is optimized to operate over the supply range of 3.0V to 28V. With chopper-stabilized architecture and an internal SOT23 bandgap regulator to provide temperature compensated supply for internal circuits, the AH3562Q provides a reliable solution over the whole operating range. For robustness and protection, the device has (Top View) a reverse blocking diode with a zener clamp on the supply. The output has an over current limit and a zener clamp. 3. OUTPUT GND 2. The single open-drain output can be switched on with a south or north 1. V DD pole of sufficient strength. When the magnetic flux density (B) perpendicular to the package is larger than the operate point (B ) OP SIP-3 (Bulk Pack) the output is switched on (pulled low) and stays on until the magnetic flux density B is lower than the release point (B ). RP Features Applications Position and Proximity Sensing in Automotive Applications Omnipolar Operation Open and Close Detect High Sensitivity: B and B of 20G and 10G Typical OP RP Position Detect Single Open-Drain Output with Overcurrent Limit Level Detect 3.0V to 28V Operating Voltage Range Flow Meters Chopper-Stabilized Design Provides Contactless Switches o Superior Temperature Stability Seatbelt Buckle o Minimal Switch Point Drift Seat Position o Enhanced Immunity to Stress Good RF Noise Immunity Reverse Blocking Diode Zener Clamp on Supply and Output Pins -40C to +150C Operating Temperature ESD: HBM 8kV, CDM: >2kV Industry Standard SOT23 and SIP-3 (Ammo Pack), SIP-3 (Bulk Pack) 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) & 2015/863/EU (RoHS 3) compliant. 2. See AH3562Q Typical Applications Circuit 3.0V to 28V V DD R L OUTPUT AH3562Q C IN GND Note: 4. C is for power stabilization and to strengthen the noise immunity, the recommended capacitance is 10nF ~ 100nF. R is the pull-up resistor. IN L Pin Descriptions Package: SOT23 and SIP-3 (Ammo Pack), SIP-3 (Bulk Pack) Pin Number Pin Name Function 1 V Power Supply Input DD 2 GND Ground 3 OUTPUT Output Pin Functional Block Diagram V DD t e s Power f f n O d switch o i c n t i a a l m r l e To All Subcircuits l a e e t p c n wl i n y m o F a D L a s C S d OUTPUT s l a o - P H Amp Amp Control Current Limit GND 2 of 14 July 2018 AH3562Q Diodes Incorporated www.diodes.com Document number: DS40864 Rev. 1 - 2