HAL1881UA-A-2-A-2-00

Hardware Documentation D at a S h e e t ® HAL 1881, HAL 1882, HAL 1883 Preprogrammed Linear Hall-Effect Sensors in TO92 Package Edition July 7, 2020 DSH000199_002EN DATA SHEET HAL 1881, HAL 1882, HAL 1883 Copyright, Warranty, and Limitation of Liability The information and data contained in this document are believed to be accurate and reliable. The software and proprietary information contained therein may be protected by copyright, patent, trademark and/or other intellectual property rights of TDK-Micronas. All rights not expressly granted remain reserved by TDK-Micronas. TDK-Micronas assumes no liability for errors and gives no warranty representation or guarantee regarding the suitability of its products for any particular purpose due to these specifications. By this publication, TDK-Micronas does not assume responsibility for patent infringements or other rights of third parties which may result from its use. Commercial conditions, product availability and delivery are exclusively subject to the respective order confirmation. Any information and data which may be provided in the document can and do vary in different applications, and actual performance may vary over time. All operating parameters must be validated for each customer application by customers’ technical experts. Any mention of target applications for our products is made without a claim for fit for purpose as this has to be checked at system level. Any new issue of this document invalidates previous issues. TDK-Micronas reserves the right to review this document and to make changes to the document’s content at any time without obligation to notify any person or entity of such revision or changes. For further advice please contact us directly. Do not use our products in life-supporting systems, military, aviation, or aerospace applications! Unless explicitly agreed to otherwise in writing between the parties, TDK-Micronas’ products are not designed, intended or authorized for use as components in systems intended for surgical implants into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the product could create a situation where personal injury or death could occur. No part of this publication may be reproduced, photocopied, stored on a retrieval system or transmitted without the express written consent of TDK-Micronas. TDK-Micronas Trademarks – HAL Third-Party Trademarks All other brand and product names or company names may be trademarks of their respective companies. TDK-Micronas GmbH July 7, 2020; DSH000199_002EN 2 HAL 1881, HAL 1882, HAL 1883 DATA SHEET Contents Page Section Title 4 4 5 1. 1.1. 1.2. Introduction Major Applications Features 6 6 2. 2.1. Ordering Information Device-Specific Ordering Codes 7 7 8 8 3. 3.1. 3.2. 3.3. Functional Description General Function Output/Magnetic Field Polarity On-board Diagnostic Features 9 9 13 13 13 14 15 15 16 17 18 18 19 20 4. 4.1. 4.2. 4.3. 4.4. 4.5. 4.6. 4.7. 4.8. 4.8.1. 4.9. 4.10. 4.11. 4.11.1. Specifications Outline Dimensions Soldering, Welding and Assembly Pin Connections and Short Descriptions Dimensions of Sensitive Area Absolute Maximum Ratings Storage and Shelf Life Recommended Operating Conditions Characteristics Definition of tPOD Power-On Reset / Undervoltage Detection Output Voltage in Case of Error Detection Magnetic Characteristics Definition of Sensitivity Error ES 21 21 21 22 5. 5.1. 5.2. 5.3. Application Notes Ambient Temperature EMC Application Circuit 23 6. Document History TDK-Micronas GmbH July 7, 2020; DSH000199_002EN 3 HAL 1881, HAL 1882, HAL 1883 DATA SHEET Release Note: Revision bars indicate significant changes to the previous edition. Programmable Linear Hall-Effect Sensors in TO92 Package 1. Introduction HAL 188x is a preprogrammed Hall-effect sensor family with a ratiometric, linear analog output proportional to the magnetic flux density applied to the sensor surface. The sensor can be used for magnetic-field measurements such as current measurements and detection of mechanical movement, like for small-angle or distance measurements. The sensor is robust and can be used in harsh electrical and mechanical environments. The spinning-current offset compensation leads to stable magnetic characteristics over supply voltage and temperature. Furthermore, the first and seconds order temperature coefficients of the sensor sensitivity can be used to compensate the temperature drift of all common magnetic materials. This enables operation over the full temperature range with high accuracy. The different family members vary by sensitivity (25 mV/mT, 31.25 mV/mT, and 50 mV/mT). The output voltage response for zero magnetic field (apart from offset) is 50% of supply voltage for all product family members. Type Offset Sensitivity see Page 1881 50% of VSUP 50 mV/mT 20 1882 50% of VSUP 31.25 mV/mT 20 1883 50% of VSUP 25 mV/mT 20 The sensors are designed for industrial and automotive applications, are AEC-Q100 qualified, and operate in the junction temperature range from –40 °C up to 170 °C. HAL 188x is available in the very small leaded package TO92UA-1 and TO92UA-2. 1.1. Major Applications Thanks to the sensors’ robust and cost-effective design, HAL 188x is the optimal system solution for applications such as: – Small-angle or linear position measurements – Gear position detection in transmission application – Current sensing for battery management – Rotary selector TDK-Micronas GmbH July 7, 2020; DSH000199_002EN 4 DATA SHEET HAL 1881, HAL 1882, HAL 1883 1.2. Features – Ratiometric linear output proportional to the magnetic field – Digital signal processing – Diagnostic feature: overflow or underflow – Pre-set temperature characteristics for matching all common magnetic materials – Diagnostic feature: overflow or underflow – On-chip temperature compensation – Active offset compensation – Operates from 40 °C up to 170 °C junction temperature – Operates from 4.5 V up to 5.5 V supply voltage in specification – Operates with static and dynamic magnetic fields up to 2.25 kHz – Pre-set sampling rate – Reverse-voltage protection at VSUP pin – Magnetic characteristics extremely robust against mechanical stress – Short-circuit protected push-pull output – EMC and ESD optimized design – AEC-Q100 qualified TDK-Micronas GmbH July 7, 2020; DSH000199_002EN 5 HAL 1881, HAL 1882, HAL 1883 DATA SHEET 2. Ordering Information A Micronas device is available in a variety of delivery forms. They are distinguished by a specific ordering code: XXX NNNN PA-T-C-P-Q-SP Further Code Elements Temperature Range Package Product Type Product Group Fig. 2–1: Ordering code principle For a detailed information, please refer to the brochure: “Sensors and Controllers: Ordering Codes, Packaging, Handling”. 2.1. Device-Specific Ordering Codes HAL 188x is available in the following package and temperature variants. Table 2–1: Available packages Package Code (PA) Package Type UA TO92UA Table 2–2: Available temperature ranges Temperature Code (T) Temperature Range A TJ = 40 °C to 170 °C The relationship between ambient temperature (TA) and junction temperature (TJ) is explained in Section 5.1. on page 21. For available variants for Configuration (C), Packaging (P), Quantity (Q), and Special Procedure (SP) please contact TDK-Micronas. Table 2–3: Available ordering codes and corresponding package marking Available Ordering Codes Package Marking HAL 1881UA-A-[C-P-Q-SP] 1881A HAL 1882UA-A-[C-P-Q-SP] 1882A HAL 1883UA-A-[C-P-Q-SP] 1883A TDK-Micronas GmbH July 7, 2020; DSH000199_002EN 6 HAL 1881, HAL 1882, HAL 1883 DATA SHEET 3. Functional Description 3.1. General Function HAL 188x is a monolithic integrated circuit (IC) which provides an output voltage proportional to the magnetic flux through the Hall plate and proportional to the supply voltage (ratiometric behavior). The external magnetic field component perpendicular to the branded side of the package generates a Hall voltage. The Hall IC is sensitive to magnetic north and south polarity. This Hall voltage is converted to a digital value, processed by the Digital Signal Processing unit (DSP), converted back to an analog voltage by a D/A converter and buffered by a push-pull output stage. The function and the parameters for the DSP are explained in Section 3.3. on page 8. Internal temperature compensation circuitry and the spinning-current offset compensation enable operation over the full temperature range with minimal degradation in accuracy and offset. The circuitry also rejects offset shifts due to mechanical stress from the package. In addition, the sensor IC is protected against reverse polarity at supply pin. VSUP Internally stabilized Supply and Protection Devices Switched Hall Plate Temperature Dependent Bias A/D Converter Oscillator Digital Signal Processing Overtemperature Detection Undervoltage Detection Protection Devices 50  Diagnosis D/A Converter Analog Output OUT Calibration Control GND Fig. 3–1: HAL 188x block diagram TDK-Micronas GmbH July 7, 2020; DSH000199_002EN 7 DATA SHEET HAL 1881, HAL 1882, HAL 1883 3.2. Output/Magnetic Field Polarity Applying a south-pole magnetic field perpendicular to the branded side of the package will increase the output voltage (for Sensitivity