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AS5163

14 bit Programmable Magnetic Angle Position Encoder

1 General Description

The AS5163 is a contactless magnetic angle position

sensor for accurate angular measurement over a full turn

of 360°. 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 0.022° = 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 14 bit digital

2 The AS5163 Demoboard

The AS5163 demoboard is a complete rotary encoder system with built-in microcontroller and graphical LCD display.

The board is externally supplied with a 9V battery for standalone operation.

J6: External

Encoder

Connector

External (left) – Onboard (right)

encoder selection switch S2

Figure 1: AS5163 Demoboard hardware with mounted magnet knob

Revision 1.0, June 2009

protocol, a 12 bit PWM signal or 12 bit ratiometric analog

output.

The AS5163 operates at a supply voltage of 5 V and the

supply and output pins are protected against overvoltage

up to +27 V. In addition the supply pins are protected

against reverse polarity up to – 18 V.

LCD display (for standalone mode)

Onboard AS5163 output signals connector and indicators

Vout, Kick down and GND

www.austriamicrosystems.com

AS5163-DB-1.0 Demoboard

OPERATION MANUAL

9V battery connector

(standalone only)

SiLabs C8051F342

microcontroller on

the back

Knob with D5x2.5mm

diametral magnet,

2mm over the AS5163

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