Datasheet Omnipolar Detection Hall IC (Dual Outputs for both S and N Pole Polarity Detection) BU52274NUZ General Description Key Specifications The BU52274NUZ is omnipolar Hall IC incorporating a V Voltage Range: 1.65V to 3.6V DD polarity determination circuit that enables separate Operate Point: 6.3mT(Typ) operation (output) of both the South and North poles. Hysteresis: 0.9mT(Typ) This Hall IC product can be in tablets, smart phones, and Period: 50ms(Typ) other applications in order to detect open and close of Supply Current (AVG): 4.4A (Typ) the cover. Output Type: CMOS And this Hall IC product can be in digital video cameras Operating Temperature Range: -40C to +85C and other applications involving display panels in order to detect the front/back location or determine the rotational Package W(Typ) x D(Typ) x H(Max) direction of the panel. VSON04Z1114A 1.10mm x 1.40mm x 0.40mm Features Omnipolar Detection (Polarity Detection for both S and N Poles with Separate, Dual Outputs) Micro Power Operation (Small Current Using Intermittent Operation Method) Ultra-small Outline Package Polarity Judgment and Separate Output on both Poles (OUT1=S-pole Output OUT2=N-pole Output) Applications Tablets, Smart Phones, Notebook Computers, Digital Video Cameras, Digital Still Cameras, etc. Typical Application Circuit, and Block Diagram V DD 0.1F 1 Adjust the bypass capacitor value as necessary, according to voltage TIMING noise conditions, etc. LOGIC HALL OUT1 3 ELEMENT GND V DD 4 OUT2 2 GND Pin Descriptions Pin Configurations (TOP VIEW) (BOTTOM VIEW) Pin No. Pin Name Function V OUT2 OUT2 V DD DD 1 4 4 1 1 V Power supply DD 2 GND Ground 3 OUT1 Output (Detect the south pole) 2 3 3 2 4 Output (Detect the north pole) OUT2 GND OUT1 OUT1 GND Product structure : Silicon monolithic integrated circuit This product has no designed protection against radioactive rays . www.rohm.com TSZ02201-0M2M0F415150-1-2 2016 ROHM Co., Ltd. All rights reserved. 1/16 TSZ22111 14 001 24.May.2016 Rev.002 DYNAMIC OFFSET CANCELLATION SAMPLE & HOLD LATCH LATCH BU52274NUZ Contents General Description ........................................................................................................................................................................ 1 Features.......................................................................................................................................................................................... 1 Applications .................................................................................................................................................................................... 1 Key Specifications .......................................................................................................................................................................... 1 Package .......................................................................................................................................................................................... 1 Typical Application Circuit, and Block Diagram ............................................................................................................................... 1 Pin Descriptions .............................................................................................................................................................................. 1 Pin Configurations .......................................................................................................................................................................... 1 Absolute Maximum Ratings ............................................................................................................................................................ 3 Thermal Resistance ........................................................................................................................................................................ 3 Recommended Operating Conditions ............................................................................................................................................. 4 Magnetic, Electrical Characteristics ................................................................................................................................................ 4 Measurement Circuit ....................................................................................................................................................................... 5 Typical Performance Curves ........................................................................................................................................................... 6 Figure 5. Operate Point, Release Point vs Ambient Temperature ................................................................................................ 6 Figure 6. Operate Point, Release Point vs Supply Voltage .......................................................................................................... 6 Figure 7. Period vs Ambient Temperature .................................................................................................................................... 6 Figure 8. Period vs Supply Voltage .............................................................................................................................................. 6 Figure 9. Supply Current vs Ambient Temperature ...................................................................................................................... 7 Figure 10. Supply Current vs Supply Voltage ............................................................................................................................... 7 Description of Operations ............................................................................................................................................................... 8 Intermittent Operation at Power ON .............................................................................................................................................. 11 Magnet Selection .......................................................................................................................................................................... 11 Position of the Hall Element .......................................................................................................................................................... 11 I/O Equivalence Circuit ................................................................................................................................................................. 11 Operational Notes ......................................................................................................................................................................... 12 Ordering Information ..................................................................................................................................................................... 14 Marking Diagrams ......................................................................................................................................................................... 14 Physical Dimension, Tape and Reel Information ........................................................................................................................... 15 Revision History ............................................................................................................................................................................ 16 www.rohm.com TSZ02201-0M2M0F415150-1-2 2016 ROHM Co., Ltd. All rights reserved. 2/16 TSZ22111 15 001 24.May.2016 Rev.002