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AS5132

Datasheet - Contents

Contents

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

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

3 Applications............................................................................................................................................................................... 1

4 Pin Assignments ....................................................................................................................................................................... 3

4.1 Pin Descriptions.................................................................................................................................................................................... 3

5 Absolute Maximum Ratings ......................................................................................................................................................

4

6 Electrical Characteristics...........................................................................................................................................................

5

6.1 Operating Conditions............................................................................................................................................................................ 5

6.2 System Parameters.............................................................................................................................................................................. 5

6.3 Magnet Specifications .......................................................................................................................................................................... 5

6.4 Programming Parameters .................................................................................................................................................................... 5

6.5 DC Characteristics of Digital Inputs...................................................................................................................................................... 6

6.6 DC Characteristics of Digital Outputs................................................................................................................................................... 6

6.7 Timing Characteristics .......................................................................................................................................................................... 6

7 Detailed Description.................................................................................................................................................................. 7

7.1 Synchronous Serial Interface (SSI) ...................................................................................................................................................... 7

7.1.1 Commands of the SSI in Normal Mode ....................................................................................................................................... 9

7.1.2 Extended Synchronous Serial Interface Mode .......................................................................................................................... 10

7.1.3 Programming Verification .......................................................................................................................................................... 13

7.2 Pulse Width Modulation (PWM) Output.............................................................................................................................................. 14

7.2.1 PWM External Clock.................................................................................................................................................................. 15

7.3 Incremental Outputs ........................................................................................................................................................................... 16

7.3.1 Quadrature A/B Output .............................................................................................................................................................. 16

7.3.2 Step Output Mode...................................................................................................................................................................... 17

7.3.3 Pre-Commutation Function........................................................................................................................................................ 17

7.3.4 Commutation Output UVW ........................................................................................................................................................ 18

7.3.5 Hysteresis of the Incremental Outputs....................................................................................................................................... 19

7.3.6 Multi Turn Counter ..................................................................................................................................................................... 20

7.3.7 High Speed Operation ............................................................................................................................................................... 20

7.3.8 Propagation Delay ..................................................................................................................................................................... 20

7.3.9 Error Detection........................................................................................................................................................................... 20

8 Application Information ...........................................................................................................................................................

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8.1 Physical Placement of the Magnet ..................................................................................................................................................... 21

9 Package Drawings and Markings ...........................................................................................................................................

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9.1 Recommended PCB Footprint............................................................................................................................................................ 24

10 Ordering Information.............................................................................................................................................................

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