AS5261-EK-AB / AS5262-EK-AB 12 BIT Magnetic Angle Position
Contents
1. lt lt O O o D C PG w 4 UH gn 16 15 14 13 NO T 1 1 1215 B gn sd Eo NCB 2 411 ST _ Epad vopava Bla 0 o ner 5 e 7 ja O Z Z Z 20660 Wi S57s1 A8 1 0 lt a a AS5262 AB 1 0 4 vm Figure 4 AS5261 AS5262 adapterboard connectors and sensor pinout Table 2 Pin Out Pintt Description AS5261 62 JP1 1 1 2 4 5 7 8 GND S Supply ground JP1 2 1 2 4 5 7 8 GND 5 Supply ground JP1 3 15 16 VCC S Positive supply pin overvoltage protected JP1 4 15 16 VCC S Positive supply pin overvoltage protected JP1 5 11 13 OUT DIO AIO Output and interface pin Provides PWM Top on TopOutput on the AS5261 and Analogoutput on the AS5262 It is as well used for programming UART interface JP1 6 12 14 OUT DIO AIO Output and interface pin Provides PWM Top on BottomOutput on the AS5261 and Analogoutput on the AS5262 It is as well used for programming UART interface JP1 7 Not connected JP1 8 Not connected www ams com Revision 1 0 10 31 12 page 5 10 AS5261 AS5262 Adapterboard User manual am o0000008 00000008 c eeeeee ooe 4 Operation case Figure 5 Operation Case example pull up This operation case is working for AS5261 as well Electric Control Unit The OUT pin JP1 5 is used as output as well as programming interface After the first power up the AS5261 or the AS5262 is in communication mode During this mode different settings are possible to program via UART After2. the fusing of the internal OTP one time programmable block the AS5261 provides a pulse width modulated output PWM and the AS5262 provides an analog output Figure 5 shows the recommended schematic for AS5261 and AS5262 pull up solution in the application All components marked with are optional and can be used to further increase the EMC For further information please refer to datasheet 5 Programming the AS5261 AS5262 For programming of the AS5261 AS5262 4 connections VCC GND and OUT Top OutBottom or 6 connections full redundant are necessary The AS5261 AS5262 programming is a one time programming OTP method based on polysilicon fuses The advantage of this method is that no additional programming voltage is needed The internal LDO provides the current for programming The AS5261 AS5262 uses a standard UART interface with an address byte and two data byte For programming the AS5261 AS5262 there is a DemoSoftware Executable Labview and an easy UART Interfaceboard available www ams com Revision 1 0 10 31 12 page 6 10 AS5261 AS5262 Adapterboard User manual Ci i H FOTO 6 AS5261 AS5262 adapter board hardware AS5261 EK AB AS5262 EK AB Schematic Figure 6 Adapterboard Schematic VEC 15 RE Clan cl luk ATR TuFi XTR AS5261 EK AB AS5262 EK AB PCB layout Figure 7 Adapterboard Layout www ams com Revision 1 0 10 31 12 page 7 10 AS5261 AS5262 Adapterboard User
3. User Manual AS5261 AS5262 Adapterboard AS5261 EK AB A55262 EK AB 12 BIT Magnetic Angle Position Sensor with 2 Outputs AS5261 AS5262 Adapterboard User manual am ee ccecce ooe Table of Contents l FEN 2 2 Package and Board Description n nnanannennenoennnnsnrrnrnnsrrerrrrrnrrrrsrrrrrnrrnrsrrsrrnrrnrsrrsrrrernrerrsrene 9 3 AS5261 AS5262 and adapter board pin OUt asrnnnnnnnnnnnnnnnnnnnnnnnvnnnnavenenanerenaverenaverenanerenanenen 5 4 Operation CASE rarrrraranranerranrrranrrrnrrranernarrnanrrnnsernanernnnsnnnasnnnsennnssnnnsennnnsnnnsennnssnnnssennssennssennn 6 5 Programming the 455281 AS52602 rnnr nnne 6 6 AS5261 AS5262 adapter board hardware re 7 Te OWLS TITS OOF ON errr cee es ese 8 SOV 9 EE NE 9 DEN e A N A 9 www ams com Revision 1 0 10 31 12 page 1 10 AS5261 AS5262 Adapterboard User manual am ee ccecce ooe 1 General Description This document describes the features and operation of the AS5261 AS5262 Adapterboard The AS5261 AS5262 is a contactless magnetic angle position sensor for accurate angular measurement over a full turn of 360 A sub range can be programmed to achieve the best resolution for the application It is a system on chip combining integrated Hall elements analog front end digital signal processing and best in class automotive protection features in a single device To measure the angle only a simple two pole magnet rotating over the center of the chi
4. ife support or lifesustaining equipment are specifically not recommended without additional processing by ams AG for each application For shipments of less than 100 parts the manufacturing flow might show deviations from the standard production flow such as test flow or test location The information furnished here by ams AG is believed to be correct and accurate However ams AG shall not be liable to recipient or any third party for any damages including but not limited to personal injury property damage loss of profits loss of use interruption of business or indirect special incidental or consequential damages of any kind in connection with or arising out of the furnishing performance or use of the technical data herein No obligation or liability to recipient or any third party shall arise or flow out of ams AG rendering of technical or other services Contact Information Headquarters ams AG Tobelbader Strasse 30 8141 Unterpremstaetten Austria T 43 0 3136 500 0 For Sales Offices Distributors and Representatives please visit http www ams com contact www ams com Revision 1 0 10 31 12 page 9 10 Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery amp Lifecycle Information ams AS5262 EK AB AS5261 EK AB
5. manual Cl l 7 Ordering Information Table 2 Ordering Information AS5261 EK AB Adapterboard 3 diametric magnets AS5261 EK AB Adapterboard 3 diametric magnets www ams com Revision 1 0 10 31 12 page 8 10 AS5261 AS5262 Adapterboard User manual am T 20000008 00000008 e606 o00000 000 Copyright Copyright O 1997 2012 ams AG Tobelbader Strasse 30 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 consent of the copyright owner All products and companies mentioned are trademarks or registered trademarks of their respective companies Disclaimer Devices sold by ams AG are covered by the warranty and patent indemnification provisions appearing in its Term of Sale ams AG makes no warranty express statutory implied or by description regarding the information set forth herein or regarding the freedom of the described devices from patent infringement ams AG reserves the right to change specifications and prices at any time and without notice Therefore prior to designing this product into a system it is necessary to check with ams AG for current information This product is intended for use in normal commercial applications Applications requiring extended temperature range unusual environmental requirements or high reliability applications such as military medical l
6. p is required The magnet may be placed above or below the IC The absolute angle measurement provides instant indication of the magnet s angular position with a resolution of 0 022 16384 positions per revolution According to this resolution the adjustment of the application specific mechanical positions are possible The angular output data is available over a 12 bit ratiometric analog output The AS5261 AS5262 operates at a supply voltage of 5V and the supply and output pins are protected against overvoltage up to 20V In addition the supply pins are protected against reverse polarity up to 20V The AS5261 AS5262 is a dual die version with 2 independend die s in one package This part can be used full redundant with 2 supplies www ams com Revision 1 0 10 31 12 page 2 10 AS5261 AS5262 Adapterboard User manual Ci i H 2 Package and Board Description Adapterboard Kit Contents The demo kit includes following items listed below in Table 1 Table 1 Adapter Kit Contents 1 AS5261 or AS5262 Adapterboard Board AS5261 or AS5262 2 Diametrial Magnets Board Description The AS5261 AS5262 adapter board is a simple circuit allowing test and evaluation the rotary encoder quickly without building a test fixture or PCB The PCB requires a 4 wire connection 5V power supply GND and two output connection If there is the need to use full redundancy 6 wire connection a different PCB is required Pin 1 3 5 of JP1 a
7. re the Top Die Connection Pin 2 4 and 6 of JP1 are the bottom die connection Capacitor C1 and C2 both 1uF are buffering the LDO output VDD3 of the top die and the bottom die C3 1uF is placed between VDD and GND Resistor R1 R2 R3 and R4 as well as the capacitor C5 C6 C7 and C8 are optional for using different filter options during the Evaluation phase Figure 2 Adapterboard front view A JP1 Connector GND VCC OUT B AS5261 AS5262 sensor C 4 x 2 6 mm mounting holes D Marking for AS5261 or AS5262 AB Board www ms com Revision 1 0 10 31 12 page 3 10 AS5261 AS5262 Adapterboard User manual ol i H Mounting the AS5261 AS5262 adapter board Figure 3 Adapter board with mechanical components A Rotating shaft and magnet holder Not ferromagnetic B Bearing C Casing D Spacer E M2 M2 5 Screw nut 4x2 6 mm A diametric magnet must be placed over or under the AS5261 AS5262 Sensorboard and should be placed centered in x and y direction Tolerance of 0 5mm The airgap between the magnet and the encoder casing should be maintained in the range of 0 5mm 2mm magnet related The magnet holder must be not ferromagnetic e g copper aluminium stainless steel www ams com Revision 1 0 10 31 12 page 4 10 AS5261 AS5262 Adapterboard User manual oa i H ai gt U O1 N for h ig gt U OI N N 9 5 Q D Q D Oo F gt D Q O i
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