MT8512AT

MT851X Uni-polar, Hall-Effect Switch IC 1 Product Description The MT851X family is produced by BCD technology with both high performance and high reliability. The Hall IC internally includes an on-chip Hall voltage generator, a voltage regulator for operation with supply voltage of 3.0V to 24V, temperature compensation circuitry, small-signal amplifier, Hall IC with dynamic offset cancellation system, Schmitt trigger and an open collector output. It also includes an clamp diode at output and reversed power supply protection enhances the robustness of Hall IC. The Hall IC designed to respond to a single poles. While the magnetic flux density(B) is larger than operating point (BOP), the output will be turned on (Low), the output is held until the magnetic flux density(B) is lower than releasing point (BRP), then turn off (High). The MT851X family provides a variety of packages to customers: SOT-23/SOT-23 (Thin Outline) for surface mount and flat TO-92 for through-hole mount. All packages are RoHS compliant. 4 Applications ￭ ￭ ￭ ￭ ￭ ￭ Automotive, Home appliances, Industrial Speed Detection Position Detection Magnetic Encoder Solid-State Switch Proximity Switch 5. Pin Configuration and Functions 2 Features ￭ SOT-23 (Thin Outline) 1 2 3 Flat TO-92 1 3 2 Description Power Output Ground SOT-23 Thin Outline Top-View 22 OUT GND 3 3 11 Vcc TO-92 Top-View Figure.1 magntek.com.cn | Magnetic Tech Makes Magic Change Open-Drain 按钮 MT851XET SOT-23 (Thin Outline), tape & reel (3000pcs/bag) 3 OUT SOT-23, tape & reel (3000pcs/bag) 2 22 MT851XAT 1 33 Flat TO-92, bulk packaging (1000pcs/bag) SOT-23 GND MT851XA GND Vcc Description Out SOT-23 Top-View 3 Product Overview of MT851X Part No. VCC 11 ￭ ￭ ￭ ￭ BCD Technology Uni-polar Switch 3.0~24V Operating Vcc Range -40℃~150℃ Operating Temperature Package Option: Flat TO-92 SOT-23 SOT-23 (Thin Outline) Magnetic Sensitivity Option: MT8511 (BOP=28Gs, BRP=18Gs) MT8512 (BOP=120Gs, BRP=90Gs) Open-Drain Output -16V Reversed Power Supply Protection Output Limiting Current Protection RoHS Compliant: (EU)2015/863 按钮 ￭ ￭ ￭ ￭ ￭ 1 OUT 3 GND 2 Vcc 1 Pin Configuration & Functions Rev 1.2 MT851X Uni-polar, High Voltage Hall-Effect Switch IC Table of Contents 1 Product Description………...…….……………….……...…………………………………….…….………1 2 Features……………………………….……..……………………………………………………………….…….1 3 Product Overview of MT851X ..…………………………………………………………………………1 4 Applications……………………………………………………………………………………………………….1 5 Pin Configuration and Functions…………………………………………………….………………….1 6 Definition of Switching Function……………………………………………………………………….3 7 Function Description……...…………………………………………………………………………………..3 8 Feature Description……………………………………………………………………………………………3 9 Functional Block Diagram…………………………………………………………………………………..4 10 Electrical and Magnetic Characteristics………………………………………………………………4 10.1 Absolute Maximum Ratings……………………………………………………………………………….4 10.2 Electrical Specifications……………………………………………………………………………………..5 10.3 Magnetic Characteristics……………………………………………………………………………………5 10.4 ESD Ratings………………………………………………………………………………………………………..5 10.5 Characteristic Performance………………………………………………………………….…………….6 10.6 Typical Output Waveform…………………………………………………………………………………..7 11 Typical Application Circuit………………………………………………………………………………….7 12 Package Material Information……………………………………………………………………………8 12.1 SOT-23 Package Information……………………………...………………………………………………8 12.2 SOT-23 (Thin Outline) Package Information……...……………………………………………….9 12.3 Flat TO-92 Package Information……………………………………………………………………….10 13 1 2 3 Copy Rights and Disclaimer………………………………………………………..…………………..11 Originally Version 1.1 Version 1.2 Version Reversion History Add MT8512 Series Update the marking spec of SOT-23 & SOT-23 (Thin Outline) magntek.com.cn | Magnetic Tech Makes Magic Change 2 Rev 1.2 MT851X Uni-polar, High Voltage Hall-Effect Switch IC 6 Definition of Switching Function Figure.2 & Figure.3 shows the device functionality and hysteresis Vcc Vcc North Figure.2 BOP South BRP North Switching Function Uni-polar (North) BOP South Switching Function Uni-polar (South) Figure.3 SOT-23 BRP SOT-23 (Thin Outline) / Flat TO-92 7 Function Description BOP: Operating Point, Magnetic flux density applied on the branded side of the package which turns the output driver ON (VOUT=Low) BRP: Releasing Point, Magnetic flux density applied on the branded side of the package which turns the output driver OFF (VOUT=High) BHYST: Hysteresis Window, |BOP - BRP| Devices that have a lower magnetic threshold (VOUT=High) detect magnets at a farther distance. Higher thresholds (VOUT=Low) generally require a closer distance or larger magnet. 8 Feature Description S N N N S S SOT-23 Flat TO-92 Figure.4 Motion The MT851X device is sensitive to the magnetic field component that is perpendicular to the top of the package SOT-23 (Thin Outline) S N N N S S SOT-23 Flat TO-92 PCB PCB VOUT = Low VOUT= High SOT-23 (Thin Outline) Flux Direction Polarity magntek.com.cn | Magnetic Tech Makes Magic Change 3 Rev 1.2 MT851X Uni-polar, High Voltage Hall-Effect Switch IC 9 Functional Block Diagram Vcc Reference Dynamic Offset Cancelation Regulator Limiting Current Protection ESD Out Hall Plate ITA COMP Output Driver ESD GND Figure.5 Functional Block Diagram 10 Electrical and Magnetic Characteristics 10.1 Absolute Maximum Ratings Absolute maximum ratings are limited values to be applied individually, and beyond which the serviceability of the circuit may be impaired. Functional operability is not necessarily implied. Exposure to absolute maximum rating conditions for an extended period of time may affect device reliability. Symbol Parameters Min Max Units VCC Supply Voltage - 30 V VRCC Reverse Battery Voltage -16 - V VOUT Output Voltage - 30 V IOUT Continuous Output Current - 55 mA TA Operating Ambient Temperature -40 150 ℃ TS Storage Temperature -50 150 ℃ TJ Junction Temperature - 165 ℃ B Magnetic Flux Density magntek.com.cn | Magnetic Tech Makes Magic Change No Limit 4 Gs Rev 1.2 MT851X Uni-polar, High Voltage Hall-Effect Switch IC 10.2 Electrical Specifications At TA=-40~150 ℃, Vcc=3.0V~24V (unless otherwise specified) Symbol Parameters Test Condition Min Typ Max Unit VCC Supply Voltage Operating 3.0 - 24 V ICC Supply Current BBOP, VOUT=Vcc - 50 - mA VDSON Output Saturation Voltage IOUT=20mA, B>BOP - - 0.4 V IOFF Output Leakage Current VOUT=24V, B5V/uS B>BOP (MAX) - - 15 us FC Chopping Frequency - 400 - KHz FS Sampling Frequency - 25 - KHz Thermal Resistance of SOT-23 - 301 - ℃/W Thermal Resistance of SOT-23 (Thin Outline) - 301 - ℃/W Thermal Resistance of TO-92 - 230 - ℃/W RTH 10.3 Magnetic Characteristics At VCC=3.0V~24V (unless otherwise specified) Part No. MT8511 Series MT8512 Series Symbol Min Typ Max Unit BOP, TA =25℃ 18 28 38 Gs BRP, TA =25℃ 8 18 28 Gs BHYST, TA =25℃ 3 10 17 Gs BOP, TA =25℃ 90 120 150 Gs BRP, TA =25℃ 60 90 120 Gs BHYST, TA =25℃ 15 30 45 Gs Level Unit 10.4 ESD Ratings Symbol VESD Reference Human-body model (HBM) AEC-Q100-002 Class H2 Grade Charged-device model (CDM) AEC-Q100-011 Class C3 Grade magntek.com.cn | Magnetic Tech Makes Magic Change 5 Rev 1.2 MT851X Uni-polar, High Voltage Hall-Effect Switch IC 10.5 Characteristic Performance At VCC=5V Supply Current (mA) 1.4 1.2 1 0.8 0.6 0.4 0.2 0 -40 -20 0 25 55 85 125 150 Temperature ℃ Supply Current vs. Temperature 35 160 30 140 Magnetic Field Intensity (Gs) Magnetic Field Intensity (Gs) Figure.6 25 20 15 Bop 10 Brp 5 0 MT8511 Figure.7 -20 0 25 55 85 125 80 60 Bop 40 Brp 20 150 -40 -20 0 MT8512 Temperature ℃ 25 55 85 125 150 125 150 Temperature ℃ Magnetic Characteristics vs. Temperature (BOP & BRP) 20 18 16 14 12 10 8 6 4 2 0 50 Magnetic Field Intensity (Gs) Magnetic Field Intensity (Gs) 100 0 -40 45 40 35 30 25 20 15 10 -40 MT8511 Figure.8 120 -20 0 25 55 85 125 150 -40 MT8512 Temperature ℃ -20 0 25 55 85 Temperature ℃ Magnetic Characteristics vs. Temperature (BHYST) magntek.com.cn | Magnetic Tech Makes Magic Change 6 Rev 1.2 MT851X Uni-polar, High Voltage Hall-Effect Switch IC 10.6 Typical Output Waveform MT8511A as example B BOP BRP T V High Low Figure.9 T Digital Output vs. Magnetic Flux Density 11 Typical Application Circuit MT8511AT as example Note: Recommended value for RL is 1KOhms to 10KOhms C1=100nF Vcc 1 RL 按钮 Vcc OUT 3 GND GND 2 Out C2=1nF Figure.10 Typical Application Circuit magntek.com.cn | Magnetic Tech Makes Magic Change 7 Rev 1.2 MT851X Uni-polar, High Voltage Hall-Effect Switch IC 12 Package Material Information （For Reference Only – Not for Tooling Use） 12.1 SOT-23 Package Information 3 XXXX 按钮 Product ID 按钮 2 1 OUT Vcc Figure.11 DateCode: Y: Year W: Week YW GND XXXX YW SOT-23 Chip Marking Spec Sensing Center Figure.12 SOT-23 Package Drawing Symbol Dimensions in Millimeters Dimensions in Inches Min Max Min Max A - 1.300 - 0.0512 A1 0.000 0.150 0.0000 0.0059 A2 1.000 1.200 0.0394 0.0472 b 0.300 0.500 0.0118 0.0197 c 0.080 0.220 0.0031 0.0087 D 2.800 3.000 0.1102 0.1181 E 1.500 1.700 0.0591 0.0669 E1 2.600 3.000 0.1024 0.1181 e 0.870 1.030 0.0343 0.0406 e1 1.820 1.980 0.0717 0.0780 L 0.300 0.600 0.0118 0.0236 θ 0︒ 8︒ 0︒ 8︒ x 1.450 TYP 0.057 TYP y 0.800 TYP 0.032 TYP z 0.600 TYP 0.024 TYP magntek.com.cn | Magnetic Tech Makes Magic Change 8 Rev 1.2 MT851X Uni-polar, High Voltage Hall-Effect Switch IC 12.2 SOT-23 (Thin Outline) Package Information GND XXXX YW 3 Product ID 22 11 OUT Vcc Figure.13 YW 3 XXXX 按钮 DateCode: Y: Year W: Week SOT-23 (Thin Outline) Chip Marking Spec Sensing Center Figure.14 SOT-23 (Thin Outline) Package Drawing Symbol Dimensions in Millimeters Dimensions in Inches Min Max Min Max A 0.900 1.150 0.035 0.045 A1 0.000 0.100 0.000 0.004 A2 0.900 1.050 0.035 0.041 b 0.300 0.500 0.012 0.020 c 0.080 0.150 0.003 0.006 D 2.800 3.000 0.110 0.118 E 1.200 1.400 0.047 0.055 E1 2.250 2.550 0.089 0.100 e e1 0.950 TYP 1.800 L 0.037 TYP 2.000 0.071 0.550 REF 0.079 0.022 REF L1 0.300 0.500 0.012 0.020 θ 0︒ 8︒ 0︒ 8︒ x 1.460 TYP 0.057 TYP y 0.650 TYP 0.026 TYP z 0.500 TYP 0.020 TYP magntek.com.cn | Magnetic Tech Makes Magic Change 9 Rev 1.2 MT851X Uni-polar, High Voltage Hall-Effect Switch IC 12.3 Flat TO-92 Package Information XXXX XXXX YWW Product ID YWW DateCode: week (01~55) DateCode: year (0~9) 3 OUT 2 GND 1 Vcc Figure.15 Flat TO-92 Chip Marking Spec Sensing Center Figure.16 Flat TO-92 Package Drawing Symbol Dimensions in Millimeters Dimensions in Inches Min Max Min Max A 1.420 1.620 0.056 0.064 A1 0.660 0.860 0.026 0.034 b 0.350 0.480 0.013 0.019 b1 0.400 0.510 0.016 0.020 c 0.330 0.510 0.013 0.020 D 3.900 4.100 0.154 0.161 D1 2.280 2.680 0.090 0.106 E 3.050 3.250 0.120 0.128 e 1.270 TYP 0.050 TYP e1 2.440 2.640 0.096 0.104 L 14.350 14.750 0.565 0.581 θ 45︒ TYP 45︒ TYP x 2.025 TYP 0.080 TYP y 1.545 TYP 0.061 TYP z 0.500 TYP 0.020 TYP magntek.com.cn | Magnetic Tech Makes Magic Change 10 Rev 1.2 MT851X Uni-polar, High Voltage Hall-Effect Switch IC 13 Copy Rights and Disclaimer 1. This document may not be reproduced or duplicated, in any form, in whole or in part without prior written consent of MagnTek . Copyrights © 2019, MagnTek Incorporated. 2. MagnTek reserves the right to make changes to the information published in this document at anytime without notice. 3. MagnTek’s products are limited for use in normal commercial applications. MagnTek’s products are not to be used in any device or system, including but not limited to medical life support equipment and system. For the latest version of this document, please visit our website: www.magntek.com.cn magntek.com.cn | Magnetic Tech Makes Magic Change 11 Rev 1.2