Eval Kit Manual
DN[Document ID]
AS5247
Adapter Board
AS5247-MF_EK_AB
ams Eval Kit Manual
[v1-10] 2015-Sep-16
Page 1
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AS5247 Adapter Board
Content Guide
1
1.1
2
2.1
3
4
4.1
4.2
5
5.1
5.2
6
7
8
Introduction .......................................................................................................................... 3
Kit Content ........................................................................................................................... 3
Board description ................................................................................................................. 4
Mounting the AS5247 adapter board ................................................................................... 5
AS5247 adapter board and pinout ....................................................................................... 6
Operation case ..................................................................................................................... 8
One device SPI mode, unidirectional – 3 wire ..................................................................... 8
One device SPI mode, bidirectional – 4 wire ....................................................................... 9
AS5247-MF_EK_AB Hardware .......................................................................................... 10
AS5247-MF_EK_AB schematics ....................................................................................... 10
AS5247-MF_EK_AB PCB layout ....................................................................................... 11
Ordering & Contact Information ......................................................................................... 12
Copyrights & Disclaimer ..................................................................................................... 13
Revision Information .......................................................................................................... 14
ams Eval Kit Manual
[v1-10] 2015-Sep-16
Page 2
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AS5247 Adapter Board
1
Introduction
The AS5247 adapter board is a small PCB allowing simple and quick testing or evaluation of the
AS5247 magnetic position sensor without the need to build a test fixture or design an own PCB.
1.1
Kit Content
Figure 1: Kit content
1
2
Pos.
1
2
Item
AS5247-MF_EK_AB
AS5000-MD8H-1
Comment
Adapter board
Diametric Magnet, D8x2.5mm, NdFeB, Bomatec AG
ams Eval Kit Manual
[v1-10] 2015-Sep-16
Page 3
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AS5247 Adapter Board
2
Board description
The PCB can either be connected to an external microcontroller, or to the I&P USB Box using the 5-
pin dual row connector P1.
P1 is already populated and gives access for power supply as well as SPI interface.
P2 has to be populated with a 2x8 pin header and can be used for ABI and UVW interfaces.
Figure 2: AS5247 adapter board
P1 connector
P2 connector
(not populated)
4x3mm
Mounting holes
AS5247
ams Eval Kit Manual
[v1-10] 2015-Sep-16
Page 4
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AS5247 Adapter Board
2.1
Mounting the AS5247 adapter board
Figure 3: Mounting and dimensions
0.5-3mm
AS5247
NC
NC
NC
CS_B
GND
5V
GND
Bottom
Top
GND
U
V
U
V
CS_T
W
CLK
MOSI MISO
I
A
B
GND
4x3mm
GND
W
A
B
I
30mm
AS5247
9.5mm
18mm
30mm
A 8 x 2.5 mm diametric magneticed magnet must be placed over or under the AS5247 sensor,
and should be centered on the middle of the package with a tolerance of 0.5 mm. The airgap
between the magnet surface and the package should be maintained in the range 0.5 mm to 3
mm.
Recommendet nominal airgap for the 8 mm magnet = 2 mm.
Recommendet nominal airgap for the 6 mm magnet = 1.5 mm.
The magnet holder must not be ferromagnetic. Materials as brass, copper, aluminum, stainless
steel are the best choices to make this part.
ams Eval Kit Manual
[v1-10] 2015-Sep-16
11mm
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