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Aurelia Microelettronica

AS5165 Datasheet Preview

AS5165 Datasheet

AUTOMOTIVE Angle Position Sensor

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Preliminary Data Sheet
AS5165
AUTOMOTIVE Angle Position Sensor with SENT J2716
1 General Description
The AS5165 is a contactless magnetic angle position sensor for
accurate angular measurement over a full turn of 360º. 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 chip, 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 programmable resolution of 0.022º
= 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 the SENT J2716
interface.
The AS5165 operates at a supply voltage of 5V and the supply and
output pins are protected against overvoltage up to +27V. In addition
the supply pins are protected against reverse polarity up to -18V.
2 Key Features
360º contactless high resolution angular position encoding
User programmable start and end point of the application region
User programmable clamping levels and programming of the
transition point
Wide temperature range: - 40ºC to + 150ºC
Small Pb-free package: TSSOP 14
3 Applications
The AS5165 is suitable for Automotive applications like throttle and
valve position sensing and several power train applications.
Figure 1. AS5165 Block Diagram
VDD5 VDD3
VDD High voltage /
Reverse polarity
protection
OTP Single pin
Register Interface
AS5165
Hall Array
Frontend
Amplifier
Sin
Cos
ADC
CORDIC
14bit
Angle
Output
DSP
12
SENT
J2716
OUT
Driver
OUT
GND
www.austriamicrosystems.com/AS5165
Revision 0.1
1 - 32




Aurelia Microelettronica

AS5165 Datasheet Preview

AS5165 Datasheet

AUTOMOTIVE Angle Position Sensor

No Preview Available !

AS5165
Preliminary Data Sheet - 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 Magnetic Input Specification................................................................................................................................................................. 5
6.3 Electrical System Specifications........................................................................................................................................................... 6
6.4 Timing Characteristics .......................................................................................................................................................................... 7
7 Detailed Description.................................................................................................................................................................. 8
7.1 Operation.............................................................................................................................................................................................. 9
7.1.1 VDD Voltage Monitor ................................................................................................................................................................... 9
7.2 Output Characteristic ........................................................................................................................................................................ 9
7.2.1 Programming Parameters.......................................................................................................................................................... 10
7.2.2 Application Specific Angular Range Programming .................................................................................................................... 10
7.2.3 Application Specific Programming of the Break Point ............................................................................................................... 11
7.2.4 Full Scale Mode ......................................................................................................................................................................... 11
7.2.5 Resolution of the Parameters .................................................................................................................................................... 12
7.2.6 SENT Output Driver Parameters ............................................................................................................................................... 12
8 Application Information ........................................................................................................................................................... 13
8.1 Programming the AS5165............................................................................................................................................................... 13
8.1.1 Hardware Setup......................................................................................................................................................................... 13
8.1.2 Protocol Timing and Commands of Single Pin Interface ........................................................................................................... 14
8.2 OTP Programming Data ..................................................................................................................................................................... 23
8.2.1 Read / Write User Data.............................................................................................................................................................. 27
8.2.2 Programming Procedure............................................................................................................................................................ 27
8.3 Choosing the Proper Magnet .......................................................................................................................................................... 28
8.3.1 Physical Placement of the Magnet ............................................................................................................................................ 29
8.3.2 Magnet Placement..................................................................................................................................................................... 29
9 Package Drawings and Markings ........................................................................................................................................... 30
10 Ordering Information............................................................................................................................................................. 32
www.austriamicrosystems.com/AS5165
Revision 0.1
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Part Number AS5165
Description AUTOMOTIVE Angle Position Sensor
Maker Aurelia Microelettronica
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AS5165 Datasheet PDF





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