AS5163
12-Bit Automotive Angle Position
Sensor
General Description
The AS5163 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 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 a 12-bit PWM signal or 12-bit ratiometric analog
output.
The AS5163 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.
Ordering Information
and
Content Guide
appear at end of
datasheet.
Key Benefits & Features
The benefits and features of AS5163, 12-Bit Automotive Angle
Position Sensor are listed below:
Figure 1:
Added Value of Using AS5163
Benefits
•
Great flexibility on angular excursion
Features
•
360º contactless high resolution angular position sensing
•
User programmable start and end point of the application
region
•
Saw tooth mode 1-4 slopes per revolution
•
Clamping levels
•
Transition point
•
Output linearization
•
Broken GND and VDD detection for all external load cases
•
Simple programming
•
Additional linearization points for
output characteristic
•
Failure diagnostics
ams Datasheet (discontinued)
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AS5163 −
General Description
Benefits
•
Selectable output signal
•
Ideal for applications in harsh
environments due to contactless
position sensing
Features
•
Analog output ratiometric to VDD or PWM-encoded digital
output
•
Wide temperature range: - 40°C to 150°C
Applications
AS5163 is ideal for automotive applications like:
•
Throttle and valve position sensing
•
Gearbox position sensor
•
Headlight position control
•
Torque sensing
•
Pedal position sensing
•
Non-contact potentiometers
Block Diagram
The functional blocks of this device are shown below:
Figure 2:
AS5163 Block Diagram
VDD3 VDD5
VDD
High voltage/
Reverse polarity
protection
AS5163
OTP
Register
Single pin
Interface
Zero
Position
Hall Array
Frontend
Amplifier
ADC
Sin
Cos
12-bit
PWM
12
12-bit
DAC
CORDIC
14-bit
Angle
Output
DSP
M
U
X
Programable
Angle
OUT
Driver
OUT
KDOWN
GND
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ams Datasheet (discontinued)
[v2-10] 2017-Jun-23
AS5163 −
Pin Assignment
Pin Assignment
Figure 3:
Pin Diagram (Top View)
VDD
VDD5
NC
VDD3
GNDA
NC
NC
1
2
14
13
OUT
NC
GNDP
KDOWN
NC
NC
GNDD
4
5
6
7
AS5163
3
12
11
10
9
8
Pin Description
Figure 4
provides the description of each pin of the standard
TSSOP14 package (14-Lead Thin Shrink Small Outline Package)
(see
Figure 3).
Figure 4:
Pin Descriptions
Pin
Number
1
2
Pin Name
VDD
VDD5
Pin Type
Supply pin
Supply pin
DIO/AIO
multi purpose pin
Supply pin
Description
Positive supply pin.
This pin is high voltage protected.
4.5V- Regulator output, internally regulated from VDD.
This pin needs an external ceramic capacitor of minimum
2.2μF.
Test pin for fabrication.
Connected to ground in the
application board.
3.45V- Regulator output, internally regulated from
VDD5.
This pin needs an external ceramic capacitor of
minimum 2.2μF.
Analog ground pin.
Connected to ground in the application
board.
3
NC
4
VDD3
5
GNDA
Supply pin
ams Datasheet (discontinued)
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AS5163 −
Pin Assignment
Pin
Number
6
7
8
9
10
Pin Name
NC
NC
GNDD
NC
NC
Pin Type
DIO/AIO
multi purpose pin
DIO/AIO
multi purpose pin
Supply pin
DIO/AIO
multi purpose pin
DIO/AIO
multi purpose pin
Description
Test pin for fabrication.
Connected to ground in the
application board.
Test pin for fabrication.
Open in the application.
Digital ground pin.
Connected to ground in the application
board.
Test pins for fabrication.
Connected to ground in the
application board.
11
KDOWN
Digital output
open drain
Additional output pin with kick down functionality.
This
pin can be used for a compare function including a
hysteresis. An open drain configuration is used. If the internal
angle is above a programmable threshold, then the output is
switched to low. Below the threshold the output is high
using a pull-up resistor.
Analog ground pin.
Connected to ground in the application
board.
Test pin for fabrication.
Connected to ground in the
application board.
Output pin.
This pin is used for the analog output or digital
PWM signal. In addition, this pin is used for programming of
the device.
12
13
GNDP
NC
Supply pin
DIO/AIO
multi purpose pin
DIO/AIO
multi purpose pin
14
OUT
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ams Datasheet (discontinued)
[v2-10] 2017-Jun-23
AS5163 −
Absolute Maximum Ratings
Absolute Maximum Ratings
Stresses beyond those listed in
Absolute Maximum Ratings
may cause permanent damage to the device. These are stress
ratings only. Functional operation of the device at these or any
other conditions beyond those indicated in
Electrical
Characteristics
is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect device
reliability.
Figure 5:
Absolute Maximum Ratings
Symbol
Parameter
Min
Max
Units
Comments
Electrical Parameters
V
DD
V
OUT
V
KDOWN
VDD3
VDD5
I
scr
DC supply voltage at pin
VDD Overvoltage
Output voltage OUT
Output voltage KDOWN
DC supply voltage at pin
VDD3
DC supply voltage at pin
VDD5
Input current
(latchup immunity)
-18
-0.3
-0.3
-0.3
-0.3
-100
27
27
27
5
7
100
V
V
Permanent
V
V
V
mA
JEDEC 78
No operation
Electrostatic Discharge
MIL 883 E method 3015 This value is
applicable to pins VDD, GND, OUT, and
KDOWN.
All other pins ±2 kV.
ESD
Electrostatic discharge
±4
kV
Temperature Ranges and Storage Conditions
T
Strg
Storage temperature
-55
150
ºC
Min -67ºF; Max 257ºF
t=20s to 40s,
The reflow peak soldering temperature
(body temperature) specified is in
accordance with
IPC/JEDEC J-STD-020
“Moisture/Reflow Sensitivity Classification
for Non-Hermetic Solid State Surface Mount
Devices”.
The lead finish for Pb-free leaded
packages is matte tin (100% Sn).
T
Body
Body temperature
(lead-free package)
260
ºC
RH
NC
MSL
Relative humidity
non-condensing
Moisture sensitivity level
5
3
85
%
Represents a maximum floor life time of
168h
ams Datasheet (discontinued)
[v2-10] 2017-Jun-23
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