Datasheet Omnipolar Detection Hall IC BU52494NUZ General Description Key Specifications The omnipolar detection Hall IC is magnetic switch that V Voltage Range: 1.65 V to 3.60 V DD can operate both S-and N-pole. Operate Point: 6.3 mT(Typ) This Hall IC product can be in tablets, smart phones, and Hysteresis: 0.9 mT(Typ) other applications in order to detect open and close of Period: 50 ms(Typ) the cover. Supply Current(Average): 4.2 A (Typ) Output Type: CMOS Operating Temperature Range: -40 C to +85 C Features Omnipolar Detection Package W(Typ) x D(Typ) x H(Max) Micro Power Operation (Small Current Using Intermittent Operation Method) VSON04Z1114A 1.10mm x 1.40mm x 0.40mm Ultra-compact Package 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 as necessary, according to power TIMING supply noise conditions, etc. LOGIC HALL ELEMENT OUT GND Pin Descriptions Pin Configurations Pin No. Pin Name Function TOP VIEW (pads not visible) (Note 1) VDD OUT 1 VDD Power supply 1 4 2 GND Ground 3 NC Non Connect EXP-PAD 4 OUT Output 3 2 The EXP-PAD of the center of GND NC product connect to GND or - EXP-PAD floating. No connection internally. (Note 1) Dispose a bypass capacitor as close as possible to the IC. Product structure : Silicon monolithic integrated circuit This product has no designed protection against radioactive rays .w ww.rohm.com TSZ02201-0M2M0F417050-1-2 2018 ROHM Co., Ltd. All rights reserved. 1/15 TSZ22111 14 001 17.Jan.2018 Rev.001 DYNAMIC OFFSET CANCELLATION SAMPLE & HOLD LATCH BU52494NUZ 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 ....................................................................................................................................... 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 and Packing Information ......................................................................................................................... 14 Revision History .................................................................................................................................................................... 15 www.rohm.com TSZ02201-0M2M0F417050-1-2 2018 ROHM Co., Ltd. All rights reserved. 2/15 TSZ22111 15 001 17.Jan.2018 Rev.001