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PDF AS5130 Data sheet ( Hoja de datos )
| Número de pieza | AS5130 | |
| Descripción | 8 Bit Programmable Magnetic Rotary Encoder | |
| Fabricantes | austriamicrosystems AG | |
| Logotipo |  |
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Datasheet
AS5130
8-Bit Programmable Magnetic Rotary Encoder with Motion Detection
& Multiturn
1 General Description
2 Key Features
The AS5130 is a contactless magnetic rotary encoder for accurate
angular measurement over a full turn of 360º. It is a system-on-chip,
combining integrated Hall elements, analog front end and digital
signal processing in a single device. The angle can be measured
using only a simple two-pole magnet rotating over the center of the
chip. 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 8 bit = 256 positions
per revolution. This digital data is available as a serial bit stream and
as a PWM signal. The AS5130 can be operated in pulsed mode
(Vsupply=off), which reduces the average power consumption
significantly. During Vsupply=off, the measured angle can be stored
using an internal storage register supplied by a low power voltage
line. This mode achieves very low power consumption during polling
of the rotary position of the magnet. If the position of the magnet
changes, then the motion detection feature wakes up an external
system. The device is capable of counting the amount of magnet
revolutions. The multi turn counter value is stored in a register and
can be read in addition to the angle information. Furthermore, any
arbitrary position can be set as zero-position. The system is tolerant
to misalignment, air gap variations, temperature variations and
external magnetic fields and high reliability due to non-contact
sensing.
360º contactless angular position encoding
Two digital 8-bit absolute outputs:
- Serial interface
- Pulse width modulated (PWM) output
User programmable zero position
High speed: up to 30000 rpm
Failure detection mode for magnet placement monitoring and
loss of power supply
Wide temperature range: -40ºC to +125ºC
Multi Turn counter / Movement detection
Small Pb-free package: SSOP-16 (5.3mm x 6.2mm)
Automotive qualified to AEC-Q100, grade 1
3 Applications
The AS5130 is an ideal solution for Ignition key position sensing,
Steering wheel position sensing, Transmission gearbox encoder,
Front panel rotary switches and replacement of Potentiometers.
Figure 1. AS5130 Block Diagram
SINP / SINN / COSP / COSN
AS5130
Ang
Sin
Tracking ADC
Zero
& Angle
Postion
Cos Decoder
Hall Array
&
Frontend
Amplifier
AGC
Mag
AGC
Power Management
OTP
PWM Decoder
Absolute
Serial
Interface
(SSI)
PWM
DIO
CS
DCLK
C1
CAO
PROG
www.austriamicrosystems.com/AS5130
Revision 1.12
1 - 41
1 page  
AS5130
Datasheet - Absolute Maximum Ratings
5 Absolute Maximum Ratings
Stresses beyond those listed in Table 2 may cause permanent damage to the device. These are stress ratings only, and functional operation of
the device at these or any other conditions beyond those indicated in Electrical Characteristics on page 6 is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
Table 2. Absolute Maximum Ratings
Parameter
Min Max Units
Comments
Supply Voltage
Input Pin Voltage
0.3 7
VSS-0.5 VDD
Only relevant for polling operation mode, supply
V voltage with capacitor of the integrated storage register
during toff phase of VDD
V
Input Current (latchup immunity)
-100 100
mA
Norm: EIA/JESD78 ClassII Level A
Electrostatic Discharge
±2 kV
Norm: JESD22-A114E
Package Thermal Resistance SSOP-16
133 168 K/W
Still Air / Single Layer PCB
Storage Temperature
-55 150 ºC
Ambient Temperature
-40 125 ºC
Junction Temperature
150 ºC
Package body temperature
Norm: IPC/JEDEC J-STD-020.
The reflow peak soldering temperature (body
temperature) specified is in accordance with IPC/
260
ºC
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).
Humidity non-condensing
5 85 %
Moisture Sensitivity Level (MSL)
3
Represents a maximum floor life time of 168h
www.austriamicrosystems.com/AS5130
Revision 1.12
5 - 41
5 Page 
AS5130
Datasheet - Detailed Description
7.1.2 Serial 3-Wire Connection (OTP Programming Option)
This mode provides with an option to configure the serial interface for programming the OTP register. Using a clock input (CLK), DIO (Data) in/
output and CS pin, it is possible to write and read out data from the OTP Register. The data transfer is done via the DIO channel. For
programming, the PROG pin must be connected to +8V. Analog readout for trimming verification is mandatory.
Figure 7. Serial Data Transmission in Continuous Readout Mode
+5V
VDD
VDD
Output
VDD
CS
Output
micro I/O
controller
VSS
8.0 - 8.5V
+ 10µF 100n
DCLK
DIO
PROG
C1
AASS55113300
VSS
100n
VSS
Note: For further details on OTP programming, please refer to OTP Programming (page 17).
7.1.3 1-Wire PWM Connection
If the line (PWM) is used as angle output, the total number of connections can be reduced to three, including the supply lines. This type of
configuration is especially useful for remote sensors. Low power mode is not possible in this configuration. If the AS5130 angular data is invalid,
the PWM output will remain at low state.
Figure 8. Data Transmission with Pulse Width Modulated (PWM) Output
VDD
AS5130
100n
PWM
VSS
+5V
VDD
VDD
micro
controller
VSS
VSS
www.austriamicrosystems.com/AS5130
Revision 1.12
11 - 41
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet AS5130.PDF ] | |
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