AH1892 Datasheet | Diodes Incorporated

Description The AH1892 is a micropower magnetic range selectable (Bop/Brp) Omnipolar Hall effect switch IC with internal pull up and pull down capability, designed for consumer equipment ranging from portable and battery powered cellular phones and portable PCs to home appliances and industrial applications. To support battery powered equipment and low voltage microcontrollers, the AH1892 can operate Pin Assignments NEW PRODUCT over the supply range of 1.6V to 3.6V and uses a hibernating clocking system to minimize the power consumption. The average supply current is only 4.3µA typical at 1.80V. Due to the application diversity, the AH1892 has an 8k V ESD rating on the supply and output pins. To minimize PCB space the AH1892 is packaged in the small CSP package (0.71mm x 0.71mm) or SOT553 leaded package The output is activated with either a north or south pole of sufficient magnetic field strength. The user can select one of two magnetic sensitivity bands via the BSEL pin without the addition of any external ponents allowing a flexible but small solution. The band select can be hardwired or be changed on the fly via a logic source such as a micro-controller. When the magnetic flux density (B) is larger than operate point (Bop), the output will be turned on (pulled low) and held until B is lower than release point (Brp). .Data Sheet.co.kr U-WLB0707-4 Features - - - - - Omnipolar operation (North or South pole) Programmable operate and release points Supply voltage of 1.6V to 3.6V Micropower operation Chopper stabilized design - - - - - - - - - - Superior temperature stability Extremely Low Switch-Point Drift Insensitive to Physical Stress - - - - - - SOT553 Applications Open and close detect for gaming and cellular phones Holster and dock detect for cellular phones Cover switch in portable and tablet PCs Digital still and video cameras Tray, door and covers position detect for printers and scanners Contact-less switch in consumer and industrial products No...