AS5043_1 AMSCO [austriamicrosystems AG], AS5043_1 Datasheet
AS5043_1
Related parts for AS5043_1
AS5043_1 Summary of contents
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AS5043 Data Sheet - Pin Configuration AS5043 Programmable 360° Magnetic Angle Encoder with Absolute SSI and Analog Outputs 1 General Description The AS5043 is a contactless magnetic angle encoder for accurate measurement up to 360° system-on-chip, combining ...
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AS5043 Data Sheet - Pin Configuration 5 Pin Configuration Figure 2: AS5043 Pin Configuration SSOP16 Package = SSOP16 (16 lead Shrink Small Outline Package) Table 1: Pin Description SSOP16 Pin Symbol Type Description Magnet Field Magnitude RaNGe warning; active low, ...
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AS5043 Data Sheet - Pin Configuration 5.1 Pin Description Pins 7, 15 and 16 are supply pins, pins 5, 13 and 14 are for internal use and must be left open. Pin 1 is the magnetic field strength indicator, MagRNGn. ...
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AS5043 Data Sheet – Functional Description 6 Functional Description The AS5043 is manufactured in a CMOS standard process and uses a spinning current Hall technology for sensing the magnetic field distribution across the surface of the chip. The integrated Hall ...
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AS5043 Data Sheet – 3. Operation 7 3. Operation The AS5043 operates either at 3.3V ±10 ±10%. This is made possible by an internal 3.3V Low-Dropout (LDO) Voltage regulator. The core supply voltage ...
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AS5043 Data Sheet – 10-bit Absolute Synchronous Serial Interface (SSI) 8 10-bit Absolute Synchronous Serial Interface (SSI) The serial data transmission timing is outlined in Figure 5: if CSn changes to logic low, Data Out (DO) will change from high ...
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AS5043 Data Sheet – 10-bit Absolute Synchronous Serial Interface (SSI) 8.2 Z-Axis Range Indication (Push Button Feature, Red/Yellow/Green Indicator) The AS5043 provides several options of detecting movement and distance of the magnet in the vertical (Z-) direction. Signal indicators MagINC, ...
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AS5043 Data Sheet – Mode Input Pin 9 Mode Input Pin The absolute angular position is sampled at a rate of 10.4kHz (t=96µs) in fast mode and at a rate of 2.6kHz (t=384µs) in slow mode. These modes are selected ...
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AS5043 Data Sheet – Daisy Chain Mode 10 Daisy Chain Mode The Daisy Chain Mode allows connection of several AS5043’s in series, while still keeping just one digital input for data transfer (see “Data IN” in Figure 6 ). This ...
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AS5043 Data Sheet – Analog Output 11 Analog Output The analog output V provides an analog voltage that is proportional to the angle of the rotating magnet and ratiometric out to the supply voltage VDD5V (max.5.5V). It can source or ...
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AS5043 Data Sheet – Analog Output 11.1.2 Diagnostic Output Mode Figure 9: Diagnostic Output Mode Vref 100% 90% analog output voltage 10% 0% 0° 90° enable this feature an OTP bit in the factory setting must be set. The corresponding ...
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AS5043 Data Sheet – Programming the AS5043 12 Programming the AS5043 After power-on, programming the AS5043 is enabled with the rising edge of CSn and Prog = logic high. 16 bit configuration data must be serially shifted into the OTP ...
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AS5043 Data Sheet – Programming the AS5043 Figure 11: Complete OTP Programming Sequence Write Data CSn Prog CLK PROG Figure 12: OTP Programming Hardware Connection of AS5043 (shown with AS5043 demoboard) 12.1 Zero Position Programming The AS5043 allows easy assembly ...
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AS5043 Data Sheet – Programming the AS5043 Figure 13: Zero Position Programming (shown for 360° mode) VDD5V 5V analog output voltage 2V 0V 0° 12.2 Analog Mode Programming The analog output can be configured in many ways: It consists of ...
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AS5043 Data Sheet – Programming the AS5043 Figure 14: Analog Output Block Diagram Magnetic field range alarm. Active Mode pin. low. Leave open or connect to Default = open VSS if not used (low noise) 1 AS5043 MagRngn 0 360° ...
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AS5043 Data Sheet – Programming the AS5043 Table 5: Digital Range Selector Programming Option Output Output Mode Range1 Range0 ° lt ...
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AS5043 Data Sheet – Programming the AS5043 Internal or external reference The default DAC reference is the voltage at pin #16 (VDD5V) divided by 2 (see Figure 13). Using this reference, a system that has an output voltage ratiometric to ...
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AS5043 Data Sheet – Analog Readback Mode 13 Analog Readback Mode Non-volatile programming (OTP) uses on-chip zener diodes, which become permanently low resistive when subjected to a specified reverse current. The quality of the programming process depends on the amount ...
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AS5043 Data Sheet – Alignment Mode 14 Alignment Mode The alignment mode simplifies centering the magnet over the chip to gain maximum accuracy and XY-alignment tolerance. This electrical centering method allows a wider XY-alignment tolerance (0.485mm radius) than mechanical centering ...
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AS5043 Data Sheet – Choosing the Proper Magnet 15 Choosing the Proper Magnet Typically the magnet should be 6mm in diameter and ≥2.5mm in height. Magnetic materials such as rare earth AlNiCo, SmCo5 or NdFeB are recommended. The magnet’s field ...
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AS5043 Data Sheet – Choosing the Proper Magnet 15.1.1 Magnet Placement The magnet’s center axis should be aligned within a displacement radius R with reference to the edge of pin #1 (see Figure 19). This radius includes the placement tolerance ...
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AS5043 Data Sheet – Simulation Modelling 16 Simulation Modelling Figure 21: Arrangement of Hall Sensor Array on Chip (principle) With reference to Figure 21, a diametrically magnetized permanent magnet is placed above or below the surface of the AS5043. The ...
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AS5043 Data Sheet – Failure Diagnostics 17 Failure Diagnostics The AS5043 also offers several diagnostic and failure detection features: 17.1 Magnetic Field Strength Diagnosis By software: the MagInc and MagDec status bits will both be high when the magnetic field ...
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AS5043 Data Sheet – Angular Output Tolerances 18 Angular Output Tolerances 18.1 Accuracy; Digital Outputs Accuracy is defined as the error between measured angle and actual angle influenced by several factors: the non-linearity of the analog-digital converters, internal ...
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AS5043 Data Sheet – Angular Output Tolerances Figure 23: Example of Linearity Error over 360° 0.5 0.4 0.3 0.2 0 109 163 217 271 325 379 433 487 541 595 649 703 757 811 865 919 973 ...
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AS5043 Data Sheet – Angular Output Tolerances 60 for slow mode = n μ ⋅ rpm 384 s In practice, there is no upper speed limit. The only restriction is that there will be fewer samples per revolution as the ...
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AS5043 Data Sheet – Angular Output Tolerances 18.7 Temperature 18.7.1 Magnetic Temperature Coefficient One of the major benefits of the AS5043 compared to linear Hall sensors is that it is much less sensitive to temperature. While linear Hall sensors require ...
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AS5043 Data Sheet – Electrical Characteristics 19 Electrical Characteristics 19.1 Absolute Maximum Ratings (non operating) Stresses beyond those listed under “Absolute Maximum Ratings“ may cause permanent damage to the device. These are stress ratings only. Functional operation of the device ...
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AS5043 Data Sheet – Electrical Characteristics 19.3.2 CMOS Input: Program Input (Prog) (operating conditions -40 to +125°C, VDD5V = 3.0-3.6V (3V operation) VDD5V = 4.5-5.5V (5V operation) unless amb otherwise noted) Parameter High level input voltage High level ...
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AS5043 Data Sheet – Electrical Characteristics 19.3.6 OPAMP Output Stage Parameter Symbol VDD5V Power Supply Range Parallel Load CL Capacitance Parallel Load Resistance RL Open Loop Gain A0 VosOP Offset Voltage RTI Output Range Low VoutL Output Range High VoutH ...
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AS5043 Data Sheet – Electrical Characteristics 19.5 Electrical System Specifications (operating conditions -40 to +125°C, VDD5V = 3.0-3.6V (3V operation) VDD5V = 4.5-5.5V (5V operation) amb unless otherwise noted) Parameter Symbol * Resolution RES Integral non-linearity INL * ...
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AS5043 Data Sheet – Electrical Characteristics Figure 24: Integral and Differential Non-Linearity (exaggerated curve) α 10bit code 1023 512 0 0 ° Integral Non-Linearity (INL) is the maximum deviation between actual position and indicated position. Differential Non-Linearity ...
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AS5043 Data Sheet – Electrical Characteristics Parameter Load programming data Rise time of V before CLK PROG PROG Hold time of V after CLK PROG PROG Write data – programming CLK PROG CLK pulse width Hold time of Vprog after ...
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AS5043 Data Sheet – Package Drawings and Markings 20 Package Drawings and Markings Figure 25: 16-Lead Shrink Small Outline Package SSOP-16 Dimensions mm Symbol Min Typ Max A 1.73 1.86 1.99 A1 0.05 0.13 0.21 A2 1.68 1.73 1.78 b ...
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AS5043 Data Sheet – Recommended PCB Footprint 22 Recommended PCB Footprint Recommended Footprint Data mm inch A 9.02 0.355 B 6.16 0.242 C 0.46 0.018 D 0.65 0.025 E 5.01 0.197 www.austriamicrosystems.com Revision 1.80 35 – 36 ...
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AS5043 Data Sheet – Contact Information Copyrights Copyright © 1997-2009, austriamicrosystems AG, Schloss Premstaetten, 8141 Unterpremstaetten, Austria-Europe. Trademarks Registered ®. All rights reserved. The material herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written ...