Datasheet Omnipolar Detection Hall IC (Dual Outputs for both S and N Pole Polarity Detection) BU52073GWZ General Description Key Specifications The omnipolar detection Hall IC is incorporating a V Voltage Range: 1.65V to 3.6V DD polarity determination circuit that enables separate Operate Point: 4.1mT(Typ) operation (output) of both the South and North poles. Hysteresis: 0.8mT(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 Average Supply Current: 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. UCSP35L1 0.80mm x 0.80mm 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-compact 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 VDD 0.1F Adjust the bypass capacitor value TIMING as necessary, according to voltage LOGIC noise conditions, etc. HALL OUT1 ELEMENT GND VDD OUT2 GND Pin Descriptions Pin Configurations TOP VIEW Pin No. Pin Name Function (pads not visible) A1 A1 A2 GND Ground A2 OUT2 Output (Detect the north pole) B1 VDD Power supply B2 Output (Detect the south pole) B1 B2 OUT1 Product structure : Silicon monolithic integrated circuit This product has no designed protection against radioactive rays . www.rohm.com TSZ02201-0M2M0F416130-1-2 2017 ROHM Co., Ltd. All rights reserved. 1/15 TSZ22111 14 001 21.Mar.2017 Rev.001 DYNAMIC OFFSET CANCELLATION SAMPLE & HOLD LATCH LATCH BU52073GWZ 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 Recommended Operating Conditions ............................................................................................................................................. 3 Magnetic, Electrical Characteristics ................................................................................................................................................ 3 Measurement Circuit ....................................................................................................................................................................... 4 Typical Performance Curves ........................................................................................................................................................... 5 Figure 5. Operate Point, Release Point vs Ambient Temperature ................................................................................................ 5 Figure 6. Operate Point, Release Point vs Supply Voltage .......................................................................................................... 5 Figure 7. Period vs Ambient Temperature .................................................................................................................................... 5 Figure 8. Period vs Supply Voltage .............................................................................................................................................. 5 Figure 9. Supply Current vs Ambient Temperature ...................................................................................................................... 6 Figure 10. Supply Current vs Supply Voltage ............................................................................................................................... 6 Description of Operations ............................................................................................................................................................... 7 Intermittent Operation at Power ON .............................................................................................................................................. 10 Magnet Selection .......................................................................................................................................................................... 10 Position of the Hall Element .......................................................................................................................................................... 10 I/O Equivalence Circuit ................................................................................................................................................................. 10 Operational Notes ......................................................................................................................................................................... 11 Ordering Information ..................................................................................................................................................................... 13 Marking Diagrams ......................................................................................................................................................................... 13 Physical Dimension, Tape and Reel Information ........................................................................................................................... 14 Revision History ............................................................................................................................................................................ 15 www.rohm.com TSZ02201-0M2M0F416130-1-2 2017 ROHM Co., Ltd. All rights reserved. 2/15 TSZ22111 15 001 21.Mar.2017 Rev.001