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AS5045

Features: `Contactless high resolution rotational position encoding over a full turn of 360 degrees`Two digital 12bit absolute outputs:`Serial interface and` Pulse width modulated (PWM) output` User programmable zero position` Failure detection mode for magnet placement monitoring and loss of powe...

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AS5045: Features: `Contactless high resolution rotational position encoding over a full turn of 360 degrees`Two digital 12bit absolute outputs:`Serial interface and` Pulse width modulated (PWM) output` User...

AS5045 Data Sheet

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Part Number:
AS5045
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/23

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Product Details

Description



Features:

` Contactless high resolution rotational position encoding over a full turn of 360 degrees
` Two digital 12bit absolute outputs:
` Serial interface and
` Pulse width modulated (PWM) output
` User programmable zero position
` Failure detection mode for magnet placement monitoring and loss of power supply
` "red-yellow-green" indicators display placement of magnet in Z-axis
` Serial read-out of multiple interconnected AS5045 devices using Daisy Chain mode
` Tolerant to magnet misalignment and airgap variations
` Wide temperature range: - 40°C to + 125°C
` Small Pb-free package: SSOP 16 (5.3mm x 6.2mm)


Application

·Industrial applications:
   - Contactless rotary position sensing
   - Robotics
·Automotive applications:
   - Steering wheel position sensing
   - Transmission gearbox encoder
   - Headlight position control
   - Torque sensing
   - Valve position sensing
· Replacement of high end potentiometers


Pinout

Connection Diagram


Specifications

Stresses beyond those listed under "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 under "Operating Conditions" is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

Parameter

Symbol

Min

Max

Unit
Note
DC supply voltage at pin VDD5V
VDD5V
-0.3
7
V
DC supply voltage at pin VDD3V3
VDD3V3
5
V

 

Input pin voltage
Vin
-0.3
VDD5V +0.3
V
Except VDD3V3
Input current (latchup immunity)
Iscr
-100
100
mA
Norm: JEDEC 78
Electrostatic discharge
ESD
± 2
kV
Norm: MIL 883 E method 3015
Storage temperature
Tstrg
-55
125
°C
Min 67°F ; Max +257°F
Body temperature (Lead-free package)
TBody
260
°C
t=20 to 40s, Norm: IPC/JEDEC J-Std-020C
Lead finish 100% Sn "matte tin"

Humidity non-condensing
H
5
85
%



Description

The AS5045 is a contactless magnetic rotary encoder for accurate angular measurement over a full turn of 360°. It is a system-on-chip, combining integrated Hall elements, analog front end and digital signal processing 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 of AS5045 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 0.0879° = 4096 positions per revolution. This digital data of AS5045 is available as a serial bit stream and as a PWM signal.

An internal voltage regulator AS5045 allows the AS5045 to operate at either 3.3 V or 5 V supplies




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