AS5262

Datasheet - Contents

www.ams.com

Revision 1.1

3 - 36

Contents

1 General Description .................................................................................................................................................................. 1

2 Key Features............................................................................................................................................................................. 1

3 Benefits..................................................................................................................................................................................... 1

4 Applications............................................................................................................................................................................... 1

5 Pin Assignments ....................................................................................................................................................................... 4

5.1 Pin Descriptions.................................................................................................................................................................................... 4

6 Absolute Maximum Ratings ......................................................................................................................................................

5

7 Electrical Characteristics...........................................................................................................................................................

6

7.1 Operating Conditions............................................................................................................................................................................ 6

7.2 Magnetic Input Specification................................................................................................................................................................. 6

7.3 Electrical System Specifications........................................................................................................................................................... 7

7.4 Timing Characteristics .......................................................................................................................................................................... 8

7.5 Power Management - Supply Monitor .................................................................................................................................................. 8

8 Detailed Description.................................................................................................................................................................. 9

8.1 Operation.............................................................................................................................................................................................. 9

8.1.1 VDD Voltage Monitor ................................................................................................................................................................... 9

8.2 Analog Output....................................................................................................................................................................................... 9

8.2.1 Programming Parameters.......................................................................................................................................................... 10

8.2.2 Application Specific Angular Range Programming .................................................................................................................... 10

8.2.3 Application Specific Programming of the Break Point ............................................................................................................... 11

8.2.4 Full Scale Mode ......................................................................................................................................................................... 11

8.2.5 Multiple Slope Output ................................................................................................................................................................ 12

8.2.6 Linearization of the Output......................................................................................................................................................... 13

8.2.7 Resolution of Parameters .......................................................................................................................................................... 13

8.2.8 Analog Output Diagnostic Mode ................................................................................................................................................ 15

8.2.9 Analog Output Driver Parameters.............................................................................................................................................. 15

8.2.10 Noise Suppressor .................................................................................................................................................................... 16

8.2.11 Hysteresis Function ................................................................................................................................................................. 16

9 Application Information ...........................................................................................................................................................

16

9.1 Recommended Application Schematic............................................................................................................................................... 16

9.2 Programming the AS5262 .................................................................................................................................................................. 18

9.2.1 UART Interface for Programming .............................................................................................................................................. 18

9.2.2 Frame Organization ................................................................................................................................................................... 18

9.2.3 WRITE (Command Description) ................................................................................................................................................ 20

9.2.4 READ (Command Description).................................................................................................................................................. 21

9.2.5 Baud-rate Automatic Detection.................................................................................................................................................. 21

9.2.6 Baud-rate Manual Setting (optional) .......................................................................................................................................... 21

9.3 OTP Programming Data..................................................................................................................................................................... 23

9.4 READ / WRITE Register Map............................................................................................................................................................. 27

9.5 READ Only Register Map................................................................................................................................................................... 28

9.6 Special Registers................................................................................................................................................................................ 30

9.7 Programming Procedure .................................................................................................................................................................... 31

10 Package Drawings and Markings .........................................................................................................................................

32

11 Ordering Information .............................................................................................................................................................

35