AMS AS5600 Manuel utilisateur

www.ams.com Revision 1.0 / 05.05.2014 page 1/10

AS5600

12-bit Programmable Contactless Potentiometer

Operation Manual: AS5600-SO_EK_AB

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AS5600-SO_EK_AB

Operation Manual

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Table of Contents

1General Description ............................................................................................................. 3

1.1 Kit Content ........................................................................................................................... 3

2Getting Started ..................................................................................................................... 3

2.1 Adapter Board Pin-Out......................................................................................................... 3

2.2 Adapter Board Description ................................................................................................... 4

2.3 Mechanical Setup................................................................................................................. 5

2.4 Electrical Setup .................................................................................................................... 5

2.4.1 3-Wire Mode......................................................................................................................... 5

2.4.2 I2C Mode .............................................................................................................................. 6

3AS5600 Configuration .......................................................................................................... 6

3.1 Programming the output range ............................................................................................ 6

3.2 Programming a configuration ............................................................................................... 6

3.2.1 Low Power Mode ................................................................................................................. 7

3.2.2 Hysteresis ............................................................................................................................ 7

3.2.3 Output selection ................................................................................................................... 7

3.2.4 Slow Filter ............................................................................................................................ 7

3.2.5 Fast Filter ............................................................................................................................. 7

3.2.6 Watchdog ............................................................................................................................. 7

4Board Schematics, Layout and BOM................................................................................... 7

4.1 Schematics........................................................................................................................... 7

4.2 Layout and Board Dimensions............................................................................................. 8

4.3 Bill of Materials..................................................................................................................... 8

5Evaluation tools.................................................................................................................... 9

6Ordering Information ............................................................................................................ 9

Copyright ........................................................................................................................................... 10

Disclaimer.......................................................................................................................................... 10

Revision History

Revision

Date

Owner

Description

1.0

05.05.2014

rph

Initial Revision

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AS5600-SO_EK_AB

Operation Manual

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1 General Description

The adapter board allows an easy and fast evaluation of the AS5600 rotary magnetic position

sensor in the lab or together with an existing system. This small factor board is fully assembled with

AS5600 position sensor and its necessary external components. All relevant signals are available

on a dual-row 2.54mm 4-pin header footprint and can be easily wired to an existing application.

The AS5600 is a programmable Hall-based rotary magnetic position sensor with a high-resolution

12-bit analog or PWM output for contactless potentiometers. Based on planar Hall technology, this

device measures the orthogonal component of the flux density (Bz) from an external magnet while

rejecting stray magnetic fields.

The default range of the output is 0 to 360 degrees, but the full resolution of the device can be

applied to smaller range by programming a zero angle (start position) and maximum angle (stop

position).

The I²C interface is used for configuration and user programming of non-volatile parameters in the

AS5600 without requiring a dedicated programmer.

1.1 Kit Content

This kit contains following material listed in Table 1. Additional material can be found on our

webpage.

Table 1:

Kit Content

No.

Item

Description

Info

AS5600-SO_EK_AB

AS5000-MD6H-1

Reference Magnet

Find the datasheet online at

http://ams.com/eng/AS5000-MD6H-1

2 Getting Started

The AS5600 adapter board is ideal for rapid setup of a contactless potentiometer. Additionally to the

adapter board, a sensor magnet in a mechanical setup is required. A reference magnet comes with

the kit.

2.1 Adapter Board Pin-Out

The pin-out of the adapter board is shown in Table 2. For additional information on the AS5600 pins

refer to the product datasheet.

Table 2:

Adapter Board Pin-Out

Header

Symbol

Description

Info

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AS5600-SO_EK_AB

Operation Manual

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Header

Symbol

Description

Info

SCL

I2C Clock

Use R4 if pull-up is required

SDA

I2C Data

Use R5 if pull-up is required

GND

Ground

VDD

Positive Power

Supply

VRG

LDO Pin in 5V

Mode

Leave open in 5V mode. Pull to VDD using

J1 in 3.3V Mode

PGO

Programming Mode

Pull to GND using R3 for Programming

Option B (refer to the datasheet)

DIR

Direction input

CCW default. Pulled to GND using R2.

Remove R2 and insert at R1 for CCW

direction.

OUT

Output Pin

Analog Output default, PWM possible, Is

used for programming option B

2.2 Adapter Board Description

The AS5600 is connected over the dual-row 2.54mm 4-pin header footprint. Connect the desired

pins of the AS5600 using the headers and resistors.

Figure 1:

Adapterboard Description

I2C pull-up

resistors

Short J1 to

operate in

3.3V mode

Use 0R for R3

to enable

PGO mode

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Operation Manual

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2.3 Mechanical Setup

To set up a contactless potentiometer a magnet holder and a magnet are needed to be used with

the AS5600 position sensor on a PCB. The configuration is shown in Figure 2.

Figure 2:

Mechanical Configuration

The magnet should be aligned by reading the output of the AGC register of the AS5600. For optimal

alignment, the AGC value is in the middle of the AGC range.

Note: If the magnetic field seen by the AS5600 is below 8mT, the output is switched off and

permanent angle programming is not possible.

2.4 Electrical Setup

The adapterboard is many used in following configurations in 5V or in 3.3V mode.:

2.4.1 3-Wire Mode

In this mode, the power supply and the output pin of the adapterboard are connected. To program a

custom angular output range, short R3 using a 0R resistor to enable the programming option B.

Follow the step-by-step instructions in the AS5600 datasheet to program the device.

Figure 3:

Using the board in 3-Wire Mode

Magnet Holder (non-magnetic)

Sensor Magnet (d6x2,5)

AS5600

PCB

airgap

0.5 - 2.5mm

µC

Analog or PWM IN

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Operation Manual

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2.4.2 I2C Mode

Using the I2C Interface, all functions of the AS5600 can be configured and permanently

programmed. Additionally the output and a raw angle (unmodified value) can be read from the

output registers.

Figure 4:

Using the board in I2C Mode

3 AS5600 Configuration

All options to configure the AS5600 are shown below. The AS5600 operates with a default

configuration if no configuration was programmed.

3.1 Programming the output range

To adjust a custom angle to the full output range or to modify the Zero Position of the device, the

AS5600 must be programmed. Following options are availbale:

Progamming start and stop position with I2C (Option A)

Progamming start and stop position in 3-Wire Mode (Option B)

Programming an angular excursion with I2C (Option C)

Follow the step-by-step instructions in the AS5600 datasheet for one of the above programming

options.

Note: To program only the zero position with Option B, Program an angular excursion of 360deg

using Option C first.

3.2 Programming a configuration

A configuration must be written using the I2C interface. The Burn_Setting command (Write 0x40

into register 0xFF) can be used to permanently program a configuration.

µC

SDA

SCL

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AS5600-SO_EK_AB

Operation Manual

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3.2.1 Low Power Mode

Three low power modes are available to reduce the power consumption down to 1,5mA max.

3.2.2 Hysteresis

A 1 to 3 LSB hysteresis of the 12-bit resolution can be enabled.

3.2.3 Output selection

Per default, the Analog Output is active if a magnet is present. Additionally the Output Pin can be

switched to PWM with the option to select a PWM frequency (115Hz,230Hz,460Hz,920Hz)

3.2.4 Slow Filter

The slow filter allows improving the output noise. The default setting for the Slow Filter is 16x and

can be reduced for faster response.

3.2.5 Fast Filter

The fast filter is active by selecting a Fast Filter Threshold. If the output value remains below the

threshold, the output noise is defined by the slow filter setting. When exceeding the threshold, the

output noise is defined from the fast filter for fast output response. The output noise is again defined

by the slow filter as soon as the output stays in the threshold again.

3.2.6 Watchdog

If the watchdog is active, the AS5600 automatically enters Low Power Mode 3 after one minute if

the output value stays within a threshold of 4 LSB.

4 Board Schematics, Layout and BOM

The schematic, layout and BOM of the adapterboard are shown below for reference.

4.1 Schematics

The schematic of the board is shown below in Figure 5.

Figure 5:

Adapterboard Schematic

VREG

OUT

GND

I2CLK B2

I2CD B3

PGO B4

VDD

A1 DIR B1

AS5600

not populated

Stiftleiste4_THMD

not populated

VDD VDD

GND

SDA

SCL

GND

VREG

OUT

DIR

PGO

DIR

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AS5600-SO_EK_AB

Operation Manual

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4.2 Layout and Board Dimensions

The PCB layout is shown below in Figure 6.

Figure 6:

Adapterboard layout

4.3 Bill of Materials

The BOM of the pcb is below in Table 3.

Table 3:

Bill of Materials

Designator

Part

Footprint

Manufacturer

Comment

Jumper / not populated

Header / not populated

Resistor / not populated

R0603

clockwise direction default

Resistor / not populated

R0603

C0603

0603

C0805

0805

10uF

Farnell

1833804

C0805

100nF

Farnell

1740614

C0603

GND

VDD

GND

VREG

not populated

2008343

VDD

GND

DIR

PGO

GND

Note1: Supply

J1=OPEN: 5V

J1=CLOSED: 3.3V

Note2: PGO

R2=NC: Normal Operation

R2=0R: Programming Option

Note3: Direction

R1=NC/R3=0R: CW

R1=0R/R3=NC: CCW

Note4: Optional pull-ups

VDD VDD

SCL

SDA

Note5:

Adapterboard can be used with AS5XXX-UCB-1.0

Note6:

AS5600 I2C Address is 0x36h

(Use 4pin I2C header in 3.3V mode)

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AS5600-SO_EK_AB

Operation Manual

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Designator

Part

Footprint

Manufacturer

Comment

Resistor / not populated

R0603

Resistor / not populated

R0603

AS5600

SOIC-8

amsAB

Smart Potentiometer IC

5 Evaluation tools

To configure the AS5600, no dedicated programmer is needed. For fast setup time the USB I&P

Box can be used to configure the AS5600 over I2C. The USB I&P Box can be ordered from the ams

webpage.

Additionally a magnet holder kit is available with consist of a distance block and a Knob which holds

the sensor magnet.

Please find the ordering information below in Table 4.

Table 4:

Ordering Information for Evaluation Tools

Ordering Code

Description

Image

USB I&P Box

To configure the AS5600

RMH05-DK-XX-1.0

Rotary Magnet Holder for

adapterboard

6 Ordering Information

Please find the ordering information below in Table 5.

Table 5:

Ordering Information

Ordering Code

Description

Comments

AS5600-SO_EK_AB

AS5600 Adapterboard

For rapid evaluation and prototyping

Get additional support material online at http://www.ams.com/AS5600.

AS5600-SO_EK_AB

Operation Manual

www.ams.com Revision 1.0 / 05.05.2014 page 10/10

translated, stored, or used without the prior written consent of the copyright owner.

Disclaimer

Devices sold by ams AG are covered by the warranty and patent indemnification provisions

appearing in its Term of Sale. ams AG makes no warranty, express, statutory, implied, or by

description regarding the information set forth herein. ams AG reserves the right to change

specifications and prices at any time and without notice. Therefore, prior to designing this product

into a system, it is necessary to check with ams AG for current information. This product is intended

for use in commercial applications. Applications requiring extended temperature range, unusual

environmental requirements, or high reliability applications, such as military, medical life-support or

life-sustaining equipment are specifically not recommended without additional processing by ams

AG for each application. This Product is provided by ams “AS IS” and any express or implied

warranties, including, but not limited to the implied warranties of merchantability and fitness for a

particular purpose are disclaimed.

ams AG shall not be liable to recipient or any third party for any damages, including but not limited

to personal injury, property damage, loss of profits, loss of use, interruption of business or indirect,

special, incidental or consequential damages, of any kind, in connection with or arising out of the

furnishing, performance or use of the technical data herein. No obligation or liability to recipient or

any third party shall arise or flow out of ams AG rendering of technical or other services.

Contact Information

Headquarters

ams AG

Tobelbader Strasse 30

8141 Unterpremstaetten

Austria

T. +43 (0) 3136 500 0

For Sales Offices, Distributors and Representatives, please visit:

http://www.ams.com/contact

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