Melexis MLX90360LDCACD-000RE Triaxisã position sensor ic Datasheet

MLX90360

Triaxis Position Sensor IC
Features and Benefits
Triaxis Hall Technology
On Chip Signal Processing for Robust Absolute Position Sensing
Simple Magnetic Design
Programmable Measurement Range
Programmable Linear Transfer Characteristic (Multi-points or Piece-Wise-Linear)
Selectable Analog (Ratiometric) or PWM Output
12 bit Resolution - 10 bit Thermal Accuracy
48 bit ID Number option
Single Die – SOIC-8 Package RoHS Compliant
Dual Die (Full Redundant) – TSSOP-16 Package RoHS Compliant
Applications
Absolute Rotary Position Sensor
Pedal Position Sensor
Throttle Position Sensor
Ride Height Position Sensor
Absolute Linear Position Sensor
Steering Wheel Position Sensor
Float-Level Sensor
Non-Contacting Potentiometer
Ordering Code
Product Code
MLX90360
MLX90360
MLX90360
MLX90360
MLX90360
MLX90360
MLX90360
MLX90360
MLX90360
MLX90360
MLX90360
MLX90360
MLX90360
MLX90360
Temperature Code
L
L
L
L
K
K
E
E
K
K
E
E
L
L
Legend:
Temperature Code:
Package Code
GO
GO
DC
DC
GO
GO
GO
GO
DC
DC
DC
DC
DC
DC
Option Code
ACD-000
ACD-000
ACD-000
ACD-000
ACD-000
ACD-000
ACD-000
ACD-000
ACD-000
ACD-000
ACD-000
ACD-000
ACD-200
ACD-200
Packing Form:
L for Temperature Range -40°C to 150°C,
K for Temperature Range -40°C to 125°C,
E for Temperature Range -40°C to 85°C.
DC for SOIC-8, GO for TSSOP-16
AAA-xxx: Die version
xxx-000: Standard version
xxx-200: (pre-programmed analog)
RE for Reel, TU for Tube
Ordering example:
MLX90360LGO-ACD-000-TU
Package Code:
Option Code:
MLX90360
Rev. 009
Page 1 of 35
Packing Form Code
RE
TU
RE
TU
RE
TU
RE
TU
RE
TU
RE
TU
RE
TU
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
1. Functional Diagram
Figure 1 - MLX 90360 Block Diagram
MLX90360
Rev. 009
Page 2 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
2. Description
The MLX90360 is a monolithic sensor IC sensitive to the flux density applied orthogonally and parallel to
the IC surface.
The MLX90360 is sensitive to the three components of the flux density applied to the IC (i.e. BX, BY and
BZ). This allows the MLX90360 with the correct magnetic circuit to decode the absolute position of any
moving magnet (e.g. rotary position from 0 to 360 Degrees or linear displacement, stroke - Figure 2). It
enables the design of novel generation of non-contacting position sensors that are frequently required for
both automotive and industrial applications.
MLX90360 reports a programmable ratiometric analog output signal compatible with any resistive
potentiometer or programmable linear Hall sensor. Through programming, the MLX90360 provides also a
digital PWM (Pulse Width Modulation) output characteristic.
Figure 2 - Typical application of MLX90360 – Linear
MLX90360
Rev. 009
Page 3 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
TABLE of CONTENTS
FEATURES AND BENEFITS ....................................................................................................................... 1
APPLICATIONS ............................................................................................................................................ 1
1.
FUNCTIONAL DIAGRAM ...................................................................................................................... 2
2.
DESCRIPTION ....................................................................................................................................... 3
3.
GLOSSARY OF TERMS − ABBREVIATIONS − ACRONYMS ............................................................ 6
4.
PINOUT .................................................................................................................................................. 6
5.
ABSOLUTE MAXIMUM RATINGS ....................................................................................................... 7
6.
DESCRIPTION ....................................................................................................................................... 7
7.
MLX90360 ELECTRICAL SPECIFICATION ......................................................................................... 9
8.
MLX90360 ISOLATION SPECIFICATION .......................................................................................... 11
9.
MLX90360 TIMING SPECIFICATION ................................................................................................. 11
10. MLX90360 ACCURACY SPECIFICATION ......................................................................................... 12
11. MLX90360 MAGNETIC SPECIFICATION .......................................................................................... 13
12. MLX90360 CPU & MEMORY SPECIFICATION ................................................................................. 13
13. MLX90360 END-USER PROGRAMMABLE ITEMS ........................................................................... 14
14. DESCRIPTION OF END-USER PROGRAMMABLE ITEMS .............................................................. 15
14.1.
OUTPUT MODE .......................................................................................................................................... 15
14.1.1. Analog Output Mode ............................................................................................................................ 15
14.1.2. PWM Output Mode............................................................................................................................... 15
14.2.
OUTPUT TRANSFER CHARACTERISTIC....................................................................................................... 16
14.2.1. Enable scaling Parameter (only for LNR type 4 pts) ........................................................................... 16
14.2.2. CLOCKWISE Parameter ...................................................................................................................... 16
14.2.3. Discontinuity Point (or Zero Degree Point) ......................................................................................... 17
14.2.4. 4-Pts LNR Parameters.......................................................................................................................... 17
14.2.5. 17-Pts LNR Parameters........................................................................................................................ 18
14.2.6. CLAMPING Parameters ...................................................................................................................... 19
14.3.
IDENTIFICATION ........................................................................................................................................ 19
14.4.
SENSOR FRONT-END ................................................................................................................................. 19
14.4.1. HIGHSPEED Parameter ...................................................................................................................... 19
14.4.2. MAPXYZ ............................................................................................................................................... 20
14.4.3. k parameter .......................................................................................................................................... 20
14.4.4. GAINMIN and GAINMAX Parameters ................................................................................................ 20
14.5.
FILTER ...................................................................................................................................................... 20
14.5.1. Hysteresis Filter ................................................................................................................................... 21
14.5.2. FIR Filters ............................................................................................................................................ 21
14.6.
PROGRAMMABLE DIAGNOSTIC SETTINGS ................................................................................................. 22
14.6.1. Fixed-level diagnostic reporting .......................................................................................................... 22
14.6.2. PWM Diagnostic reporting .................................................................................................................. 23
14.6.3. HAMHOLE Parameter ......................................................................................................................... 24
14.7.
LOCK......................................................................................................................................................... 24
14.8.
EEPROM ENDURANCE ............................................................................................................................. 25
15. MLX90360 SELF DIAGNOSTIC .......................................................................................................... 26
16. RECOMMENDED APPLICATION DIAGRAMS .................................................................................. 28
16.1.
MLX90360
Rev. 009
WIRING WITH THE MLX90360 IN SOIC-8 PACKAGE ................................................................................ 28
Page 4 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
16.2.
WIRING WITH THE MLX90360 IN TSSOP-16 PACKAGE ........................................................................... 28
17. STANDARD INFORMATION REGARDING MANUFACTURABILITY OF MELEXIS PRODUCTS
WITH DIFFERENT SOLDERING PROCESSES ........................................................................................ 29
18. ESD PRECAUTIONS ........................................................................................................................... 29
19. PACKAGE INFORMATION ................................................................................................................. 30
19.1.
19.2.
19.3.
19.4.
19.5.
19.6.
SOIC8 - PACKAGE DIMENSIONS ............................................................................................................... 30
SOIC8 - PINOUT AND MARKING ............................................................................................................... 30
SOIC8 - SENSITIVE SPOT POSITIONING ..................................................................................................... 31
TSSOP16 - PACKAGE DIMENSIONS .......................................................................................................... 32
TSSOP16 - PINOUT AND MARKING .......................................................................................................... 33
TSSOP16 - SENSITIVE SPOT POSITIONING ................................................................................................ 33
20. DISCLAIMER ....................................................................................................................................... 35
MLX90360
Rev. 009
Page 5 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
3. Glossary of Terms − Abbreviations − Acronyms
Gauss (G), Tesla (T): Units for the magnetic flux density − 1 mT = 10 G
TC: Temperature Coefficient (in ppm/Deg.C.)
NC: Not Connected
PWM: Pulse Width Modulation
%DC: Duty Cycle of the output signal i.e. TON /(TON + TOFF)
ADC: Analog-to-Digital Converter
DAC: Digital-to-Analog Converter
LSB: Least Significant Bit
MSB: Most Significant Bit
DNL: Differential Non-Linearity
INL: Integral Non-Linearity
RISC: Reduced Instruction Set Computer
ASP: Analog Signal Processing
DSP: Digital Signal Processing
CoRDiC: Coordinate Rotation Digital Computer (i.e. iterative rectangular-to-polar transform)
EMC: Electro-Magnetic Compatibility
ALS: Analog Low Speed
AHS: Analog High Speed
DLS: Digital Low Speed
DHS: Digital High Speed
4. Pinout
For optimal EMC behavior, it is recommended to connect the unused pins (
Ground (see section 16).
MLX90360
Rev. 009
Page 6 of 35
and
) to the
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
5. Absolute Maximum Ratings
Parameter
!
"# $
& %
"# '
' ) )%
Value
% % "#
+
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−
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−
2. … +
°.
−
2. … +
°.
±
Exceeding the absolute maximum ratings may cause permanent damage.
maximum rated conditions for extended periods may affect device reliability.
Exposure to absolute
6. Description
As described on the block diagram the three vector components of the magnetic flux density (BX, BY and
BZ) applied to the IC are sensed through the sensor front-end. The respective Hall signals (VX, VY and VZ)
are generated at the Hall plates and amplified.
The analog signal processing is based on a fully differential analog chain featuring the classic offset
cancellation technique (Hall plate 2-Phases spinning and chopper-stabilized amplifier).
The conditioned analog signals are converted through an ADC (15 bits) and provided to a DSP block for
further processing. The DSP stage is based on a 16 bit RISC micro-controller whose primary function is
the extraction of the position from two (out of three) raw signals (after so-called front-end compensation
steps) through the following function:
α = ∠(V1 , k ⋅ V2 )
where alfa is the magnetic angle <(B1, B2), V1 = VX or VY or VZ , V2 = VX or VY or VZ and k is a
programmable factor to match the amplitude of V1 and k V2.
The DSP functionality is governed by the micro-code (firmware − F/W) of the micro-controller which is
stored into the ROM (mask programmable). In addition to the magnetic angle extraction, the F/W controls
the whole analog chain, the output transfer characteristic, the output protocol, the programming/calibration
and also the self-diagnostic modes.
The magnetic angular information is intrinsically self-compensated vs. flux density variations. This feature
allows therefore an improved thermal accuracy vs position sensor based on conventional linear Hall
sensors.
In addition to the improved thermal accuracy, the realized position sensor features excellent linearity
performances taking into account typical manufacturing tolerances (e.g. relative placement between the
Hall IC and the magnet).
MLX90360
Rev. 009
Page 7 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
Once the position (angular or linear stroke) information is computed, it is further conditioned (mapped) vs.
the target transfer characteristic and it is provided at the output(s) as either a ratiometric analog output
level through a 12 bit DAC followed by a buffer or a digital PWM output.
For instance, the analog output can be programmed for offset, gain and clamping to meet any rotary
position sensor output transfer characteristic:
Vout(α) = ClampLo
for α ≤ αmin
Vout(α) = Voffset + Gain × α
for αmin ≤ α ≤ αmax
Vout(α) = ClampHi
for α ≥ αmax
where Voffset, Gain, ClampLo and ClampHi are the main adjustable parameters for the end-user.
The linear part of the transfer curve can be adjusted through a multi-point calibration:
This back-end step consists into either
•
up to 4 arbitrary points (5 segments + clamping levels) calibration or
•
a Piece-Wise-Linear (PWL) output transfer characteristics - 17 equidistant points w/
programmable origin over 16 different angle ranges from 65 to 360 degrees.
The calibration parameters are stored in EEPROM featuring a Hamming Error Correction Coding (ECC).
The programming steps do not require any dedicated pins. The operation is done using the supply and
output nodes of the IC. The programming of the MLX90360 is handled at both engineering lab and
production line levels by the Melexis Programming Unit PTC-04 with the dedicated MLX90360
daughterboard and software tools (DLL − User Interface).
MLX90360
Rev. 009
Page 8 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
7. MLX90360 Electrical Specification
DC Operating Parameters at VDD = 5V (unless otherwise specified) and for TA as specified by the
Temperature suffix (E or K or L).
Parameter
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Typ
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MLX90360
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Page 9 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
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described on the Figure 6.
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MLX90360
Rev. 009
()
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Page 10 of 35
"< "
" <9)
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
8. MLX90360 Isolation Specification
DC Operating Parameters at VDD = 5V (unless otherwise specified) and for TA as specified by the
Temperature suffix (E or K or L). Only valid for the package code GO i.e. dual die version.
Parameter
")
Symbol
& ) " (
Test Conditions
? ,
Min
Typ
Max
Units
3C
)
9. MLX90360 Timing Specification
DC Operating Parameters at VDD = 5V (unless otherwise specified) and for TA as specified by the
Temperature suffix (E or K or L).
Parameter
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Rev. 009
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Page 11 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
10.
MLX90360 Accuracy Specification
DC Operating Parameters at VDD = 5V (unless otherwise specified) and for TA as specified by the
Temperature suffix (E or K or L).
Parameter
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MLX90360
Rev. 009
Page 12 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
11.
MLX90360 Magnetic Specification
DC Operating Parameters at VDD = 5V (unless otherwise specified) and for TA as specified by the
Temperature suffix (E or K or L).
Parameter
Symbol
3"#
)( 4 5
)!
?L$ ?M
3"#
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)!
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12.
Min
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Test Conditions
1
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1
1
-
/H2.
MLX90360 CPU & Memory Specification
The DSP is based on a 16 bit RISC Parameter
Symbol
./
CPU provides 2.5 Mips while running at 10 MHz.
Test Conditions
Min
Typ
Max
Units
& 3
+?
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MLX90360
Rev. 009
Page 13 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
13.
MLX90360 End-User Programmable Items
Parameter
/
0
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7
30'LMB
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4 6 :&4 &
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MLX90360
Rev. 009
Comments
8) 9
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Page 14 of 35
Default Values
36L
>
>
9
9
36L
9
9
? 9
9
9
9
36L
36L
36L
9
9
9
4449
36L
>
>
9
9
36L
9
9
H0
H0
H0
9
9
9
36L
36L
36L
9
9
9
44449
>
>H
44449
44449
44449
44449
44449
44449
44449
44449
44449
9
H0
H0
H0
H0
H0
9
9
9
H0
H0
H0
H0
H0
9
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
40 6
) "*
6 .J
14.
)"#
)(
) #
(
8"
6 (+ *!
9
9
9
.9
Description of End-User Programmable Items
14.1. Output Mode
The MLX90360 output type is defined by the Output Mode parameter.
Parameter
Value
Description
0 " #
3
0
0
0
0
"
"
"
"
# &") # &") # &") # &") -
'G3
3
6 , )
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8
8
8
8
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.
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/"5 ;
/)
/"5
4
4
4
4
3
'3
14.1.1. Analog Output Mode
The Analog Output Mode is a rail-to-rail and ratiometric output with a push-pull output stage configuration
allows the use of a pull-up or pull-down resistor.
With respect to the application diagram described in section 16, Melexis recommendation is Analog Out
Mode 4. Mode 1 is also compliant with this diagram.
14.1.2. PWM Output Mode
If PWM output mode is selected, the output signal is a digital signal with Pulse Width Modulation (PWM).
The PWM polarity is selected by the PWMPOL1 parameter:
•
•
PWMPOL = 0 for a low level at 100%
PWMPOL = 1 for a high level at 100%
The PWM frequency is selected by the PWMT parameter. The following table provides typical code for
different target PWM frequency and for both low and high speed modes.
PWM Frequency Code (PWMT)
Oscillator Mode
6 ,
.+
7)#9
.+
3
3
Pulse-Width Modulation Frequency (Hz)
100
200
500
1000
; 1 37E
;
37E
The PWM Latch freezes the output value at the beginning of the PWM period. If not enabled the PWM
output might be updated before the PMW period is finished, resulting in a inconsistent duty cycle.
Notes:
•
•
A more accurate trimming can be performed to take into account initial tolerance of the main
clock.
T
The PWM frequency is subjected to the same tolerances as the main clock (see ∆ Ck).
MLX90360
Rev. 009
Page 15 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
14.2. Output Transfer Characteristic
There are 2 different possibilities to define the transfer function (LNR):
• With 4 arbitrary points (defined on X and Y coordinates) and 5 slopes
• With 17 equidistant points for which only the Y coordinates are defined.
Parameter
LNR type
Value
CLOCKWISE
Both
DP
LNR_A_X
LNR_B_X
LNR_C_X
LNR_D_X
LNR_A_Y
LNR_B_Y
LNR_C_Y
LNR_D_Y
LNR_S0
LNR_A_S
LNR_B_S
LNR_C_S
LNR_D_S
Both
0 … 359.9999
deg
Only 4 pts
0 … 359.9999
deg
Only 4 pts
0 … 100
%
Only 4 pts
0 … 17
%/deg
Only 4 pts
-17 … 0 … 17
%/deg
LNR_Y0
LNR_Y1
…
LNR_Y16
Only 16 pts
-50 … + 150
%
W
Only 16 pts
65.5 … 360
Deg
CLAMP_LOW
Both
0 … 100
%
CLAMP_HIGH
Both
0 … 100
%
0
CounterClockWise
ClockWise
1
Unit
LSB
14.2.1. Enable scaling Parameter (only for LNR type 4 pts)
This parameter enables to scale LNR_x_Y from -50% - 150% according to the following formula
(Scaled Out)%VDD = 2 x Out%VDD – 50%
14.2.2. CLOCKWISE Parameter
The CLOCKWISE parameter defines the magnet rotation direction.
•
•
CCW is the defined by the 1-4-5-8 pin order direction for the SOIC8 package and 1-8-9-16 pin
order direction for the TSSOP16 package.
CW is defined by the reverse direction: 8-5-4-1 pin order direction for the SOIC8 and 16-9-8-1 pin
order direction for the TSSOP16 package.
Refer to the drawing in the sensitive spot positioning sections (Section 19.3)
MLX90360
Rev. 009
Page 16 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
14.2.3. Discontinuity Point (or Zero Degree Point)
The Discontinuity Point defines the 0° point on the circle. The discontinuity point places the origin at any
location of the trigonometric circle. The DP is used as reference for all the angular measurements.
360°
0°
The placement of the discontinuity
point (0 point) is programmable.
Figure 7 - Discontinuity Point Positioning
14.2.4. 4-Pts LNR Parameters
The LNR parameters, together with the clamping values, fully define the relation (the transfer function)
between the digital angle and the output signal.
The shape of the MLX90360 transfer function from the digital angle value to the output voltage is
described by the drawing below. Six segments can be programmed but the clamping levels are
necessarily flat.
Two, three, or even six calibration points are then available, reducing the overall non-linearity of the IC by
almost an order of magnitude each time. Three or six calibration point will be preferred by customers
looking for excellent non-linearity figures. Two-point calibrations will be preferred by customers looking for
a cheaper calibration set-up and shorter calibration time.
Figure 8
MLX90360
Rev. 009
Page 17 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
14.2.5. 17-Pts LNR Parameters
The LNR parameters, together with the clamping values, fully define the relation (the transfer function)
between the digital angle and the output signal.
The shape of the MLX90360 transfer function from the digital angle value to the output voltage is
described by the drawing below. In the 16-Pts mode, the output transfer characteristic is Piece-WiseLinear (PWL).
Figure 9 - Input range from 65.5° up to 360°
All the Y-coordinates can be programmed from -50% up to +150% to allow clamping in the middle of one
segment (like on the figure), but the output value is limited to CLAMPLOW and CLAMPHIGH values.
Between two consecutive points, the output characteristic is interpolated.
The parameter W determines the input range on which the 17 points (16 segments) are uniformly spread:
W
Range
*
W
∆x
Range
∆x
1
#
1
#
1
#
1
#
1
#
1
#
1
#
1
#
1
#
1
#
1
#
1
#
1
#
1
#
1
#
1
#
1
#
1
#
1
#
1
#
1
#
1
#
1
#
1
#
1
#
1
#
1
#
1
#
1
#
1
#
1
#
*
1
#
Outside of the selected range, the output will remain in clamping levels.
MLX90360
Rev. 009
Page 18 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
14.2.6. CLAMPING Parameters
The clamping levels are two independent values to limit the output voltage range. The CLAMPLOW
parameter adjusts the minimum output voltage level. The CLAMPHIGH parameter sets the maximum
output voltage level. Both parameters have 16 bits of adjustment and are available for both LNR modes.
In analog mode, the resolution will be limited by the D/A converter (12 bits) to 0.024%VDD. In PWM mode,
the resolution will be 0.024%DC.
14.3. Identification
Parameter
Value
MELEXISID1
MELEXISID2
MELEXISID3
CUSTOMERID1
CUSTOMERID2
CUSTOMERID3
CUSTOMERID4
0 … 65535
0 … 65535
0 … 65535
0 … 65535
0 … 65535
0 … 65535
0 … 65535
Identification number: 64 bits (4 words) freely useable by Customer for traceability purpose.
Those 64 bits are only available if the 3pts-LNR. For the 16-Pts LNR, the corresponding EEPROM area of
CUSTOMERID1,2,3 are used by the LNR function.
14.4. Sensor Front-End
Parameter
Value
HS
0 = Slow mode
1 = Fast mode
MAPXYZ
0 .. 5
k (or SMISM)
0 .. 65535
GAINMIN
GAINMAX
0 … 41
14.4.1. HIGHSPEED Parameter
The HIGHSPEED parameter defines the main frequency for the DSP.
• HIGHSPEED = 0 selects the Slow mode with a 6.5 MHz master clock (nominal).
• HIGHSPEED = 1 selects the Fast mode with a 10.0 MHz master clock (nominal).
For better noise performance, the Slow Mode must be enabled.
MLX90360
Rev. 009
Page 19 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
14.4.2. MAPXYZ
The MAPXYZ parameter defines which fields are used to calculate the angle. The different possibilities
are described in the tables below.
MAPXYZ
Angle definition
0
∠XY = ∠(k ⋅ B X , BY )
1
∠YX = ∠(B X , k ⋅ BY )
2
∠XZ = ∠(k ⋅ B X , B Z )
3
∠ZX = ∠(B Z , k ⋅ BZ )
4
∠YZ = ∠(k ⋅ BY , BZ )
5
∠ZY = ∠(BY , k ⋅ BZ )
14.4.3. k parameter
The k parameter defines the sensitivity mismatch between the 2 selected axis used for the angular
calculation. Its value is defined through an unsigned 16 bits value from 0.0 to 1.0. Typical values are
between 0.5 and 1.
The MAPXYZ is defined in factory to be 0 or 1. For an end-user XY-application, don’t overwrite this
parameter.
14.4.4. GAINMIN and GAINMAX Parameters
GAINMIN and GAINMAX define the boundaries within the virtual gain setting is allowed to vary. Outside
this range, the output is set in diagnostic mode.
14.5. Filter
Parameter
Value
FILTER
0…2
FHYST
0 … 31
FILTERFIRST
0 or 1
The MLX90360 includes 2 types of filters:
• Hysteresis Filter: programmable by the 47M
parameter
• Low Pass FIR Filters controlled with the 4 6 :& parameter
Note: if the parameter FILTERFIRST is set to “1”, the filtering is active on the digital angle (prior to the
output mapping). If set to “0”, the filtering is active on the output transfer function (after the output
mapping).
Melexis recommends to program FILTERFIRST to 1 in order to be compliant with any Linear
compensation on the Output.
MLX90360
Rev. 009
Page 20 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
14.5.1. Hysteresis Filter
The FHYST parameter is a hysteresis filter. The output value of the IC is not updated when the digital step
is smaller than the programmed FHYST parameter value. The output value is modified when the
increment is bigger than the hysteresis. The hysteresis filter reduces therefore the resolution to a level
compatible with the internal noise of the IC. The hysteresis must be programmed to a value close to the
noise level.
14.5.2. FIR Filters
The MLX90360 features 2 FIR filter modes controlled with Filter = 1…2. Filter = 0 corresponds to no
filtering. The transfer function is described below:
yn =
1
j
ai xn−i
j
ai
i =0
i =0
The filters characteristics are given in the following table:
V
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6)#9
1
1
30000
20000
Digital value
[16bits]
No filtering
FIR2 [1111]
FIR1 [11]
10000
0
0
MLX90360
Rev. 009
10
20 Time [samples] 30
Page 21 of 35
40
50
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
Figure 10 - Step and impulse response of the different filters
50000
Digital value
[16bits]
No filtering
FIR2 [1111]
FIR1 [11]
40000
0
20 Time [samples] 30
10
40
50
Figure 11 - Noise response of the different filter
14.6. Programmable Diagnostic Settings
Parameter
Value
Unit
DIAG
0 or 1
ADIAG
0 or 1
HAMHOLE
0 or 3131h
14.6.1. Fixed-level diagnostic reporting
In analog output mode
DIAG and ADIAG parameters allow selecting all diagnostic modes:
MLX90360
Rev. 009
Mode
Type
Description
G) 9
0 0 ;
0 ;
0 ;
)"#
)"#
)( 6 ,
)( 7) 7)B K
G) 9
- ,
0 0 ;
0 ;
0 ;
)"#
)"#
)( 6 , 7)B K
)( 7)
Page 22 of 35
- ,
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
In PWM output mode
Only parameter DIAG is used:
Digital mode
Type
Description
N
")
3
0 ;
0 ;
)"#
)"#
)( 6 ,
)( 7) 7)B K
N
") '3
0 ;
0 ;
)"#
)"#
)( 6 , 7)B K
)( 7)
0 ;
0 ;
)"#
)"#
)( 6 ,
)( 7)
N ' 9-
- ,
To activate fixed-level diagnostic reporting, the following parameters should be programmed according to
the table below:
Parameter
(15)
&:
40 6
(15)
40 6
14.6.2. PWM Diagnostic reporting
/
0
12 2
0
00
0
6
3
EN
Value
9
9
0 1
PWMDIAGMode
2
1:0
Type
Level[1:0]
5
5
Diagnostic Type
3
4
1
5
0 1
Diagnostic Level
)"# 6 ,
)"# 7)
WeakMagnet (%DC)
0
1
1
1
1
/"5 W 0
5 . "/ 6 ,
5 . "/ 6 ,
5 . "/ 6 ,
5 . "/ 6 ,
>- 1
. "/
>- 1
. "/
>- 1
. "/
>- 1
. "/
5
7)#9
5
7)#9
5
7)#9
5
7)#9
) #
0
" "/
3
LostMagnet(%DC)
Failure (%DC)
W 0
1 5 . "/ 6 ,
1 5 . "/ 6 ,(16)
1 5 . "/ 6 ,
1 5 . "/ 6 ,
1
1
1
>>>>-
>- 1 5
>. "/ 7)#9
>- 1 5
>(16)
. "/ 7)#9
>- 1 5
>. "/ 7)#9
>- 1 5
>. "/ 7)#9
9
)"#
)(
5 . "/ 6 ,
5 . "/ 6 ,
5 . "/ 6 ,
" )( ,
>- 1
. "/
>- 1
. "/
>- 1
. "/
5
>7)#9
5
>7)#9
5
>7)#9
" )( 9)#9
Warning: Diagnostic reporting in PWM is not compatible with fixed-level diagnostics enabling. To activate
diagnostic reporting in PWM, the following parameters should be programmed according to the table
below:
Parameter
(17)
&:
15
16
17
"* 9) ( 8)# " )
9) ( ) ) ,) *
"* 9) ( 8)# " )
MLX90360
Rev. 009
8 / 3 5)
! )8 9
8 / 3 5)
40 6
(17)
40 6
/
) 8"( $ # "/ &
, )"#
)( ) ) "*
) 8"( $ # "/ &
Page 23 of 35
Value
9
9
4" S T
4" S T
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
LT11V
MT7V
Diagnostic
No Diagnostic
4.5-5.5V
LT4V
POR
Pull-Down
EE_DIAG = 1
EE_DIAG = 0
Pull-Up
Voltage
Pull-Up
EE_DIAG = 1
Pull-Up
Voltage
EE_DIAG = 0
Figure 12 - Output voltage in diagnostic modes over supply voltage.
14.6.3. HAMHOLE Parameter
The HAMHOLE parameter enables or disables the memory recovery based on Hamming codes in case of
EEPROM CRC error. By default, the memory recovery and EEPROM CRC check are disabled
(Hamhole=3131h). These two features are enabled automatically when locking the part (see paragraph
14.7).
14.7. Lock
The LOCK parameter locks all the parameters set by the user. Once the lock is enabled, it is not possible
to change the EEPROM values anymore as PTC communication in writing mode is not available
anymore.
Note that the lock bit should be set by the solver function “MemLock”.
MLX90360
Rev. 009
Page 24 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
14.8. EEPROM endurance
Although the EEPROM is used for Calibration Data Storage (similarly to an OTPROM), the MLX90360
embedded EEPROM is qualified to guarantee an endurance of minimum 1000 write cycles at 125˚C for
(engineering/calibration purpose).
MLX90360
Rev. 009
Page 25 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
15.
MLX90360 Self Diagnostic
The MLX90360 provides numerous self-diagnostic features. Those features increase the robustness of the IC
functionality as it will prevent the IC to provide erroneous output signal in case of internal or external failure
modes (“fail-safe”).
& 3 .&. :
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3.
MLX90360
Rev. 009
. &
"/ " ' , - -&
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"/ " ' , - -&
4" 4 "#H " 6
(
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"
Page 26 of 35
)/ 1
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
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MLX90360
Rev. 009
3 )
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Page 27 of 35
)#
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8
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
16.
Recommended Application Diagrams
16.1. Wiring with the MLX90360 in SOIC-8 Package
Compact PCB routing
C1, C2, C3
100nF
Analog Out
C1, C3
C2
100nF
4.7nF
PWM Out
C1, C2
1nF
Close to IC terminals
C3, C4 , C5
100nF
Analog Out - Close to
connector
C3, C4
C5
100nF
4.7nF
PWM Out - Close to
connector
10 Ω
Not recommended for
Analog Out
Recommended for PWM Out
R2
1
VDD
C4
Optimal EMC/ESD performances
R1
R1
VDD
C1
MLX90360
8
GND
C5
2, 3, 4, 6
VSS
Test x
Out
VDIG
C2
5
Output
7
R2
C3
Optional for Analog Out
Recommended for PWM Out
50 Ω
Figure 13 – Recommended wiring for the MLX90360 in SOIC8 package
16.2. Wiring with the MLX90360 in TSSOP-16 Package
C11, C12, C13
C21, C22, C23
R11
VDD1
Compact PCB routing
100nF
VDD1
Analog Out
C14
C11
100nF
4.7nF
PWM Out
C15
Optimal EMC/ESD performance
C11, C12
C21, C22
1nF
Close to IC
terminals
C13, C14 , C15
C23, C24 , C25
100nF
Analog Out Close to
connector
C13, C14, C23, C24
C15, C25
100nF
4.7nF
PWM Out Close to
connector
R11
R21
10 Ω
Not
recommended
for Analog Out
Recommended
for PWM Out
R12
R22
50 Ω
Optional for
Analog Out
Recommended
for PWM Out
MLX90360
4,13,16,14
2
GND1
C11, C13, C21, C23
C12, C22
3
VSS1
Test x1
Out1
VDIG1
C12
1
15
Output1
R12
R21
VDD2
11
VDD2
C24
C21
10
GND2
C25
5,7,8,12
VSS2
Test x2
Out2
VDIG2
C22
6
Output2
9
R22
Figure 14 – Recommended wiring for the MLX90360 in TSSOP16 package (dual die)
MLX90360
Rev. 009
Page 28 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
17. Standard information regarding manufacturability of Melexis
products with different soldering processes
Our products are classified and qualified regarding soldering technology, solderability and moisture
sensitivity level according to following test methods:
Reflow Soldering SMD’s (Surface Mount Devices)
•
•
•
IPC/JEDEC J-STD-020
Moisture/Reflow Sensitivity Classification for Nonhermetic Solid State Surface Mount Devices
(Classification reflow profiles according to table 5-2)
EIA/JEDEC JESD22-A113
Preconditioning of Nonhermetic Surface Mount Devices Prior to Reliability Testing
(Reflow profiles according to table 2)
Melexis Working Instruction 341901308
Wave Soldering SMD’s (Surface Mount Devices) and THD’s (Through Hole Devices)
•
•
•
EN60749-20
Resistance of plastic- encapsulated SMD’s to combined effect of moisture and soldering heat
EIA/JEDEC JESD22-B106 and EN60749-15
Resistance to soldering temperature for through-hole mounted devices
Melexis Working Instruction 341901309
Iron Soldering THD’s (Through Hole Devices)
•
•
EN60749-15
Resistance to soldering temperature for through-hole mounted devices
Melexis Working Instruction 341901309
Solderability SMD’s (Surface Mount Devices) and THD’s (Through Hole Devices)
•
•
EIA/JEDEC JESD22-B102 and EN60749-21
Solderability
Melexis Working Instruction 3304312
For all soldering technologies deviating from above mentioned standard conditions (regarding peak
temperature, temperature gradient, temperature profile etc) additional classification and qualification tests
have to be agreed upon with Melexis.
The application of Wave Soldering for SMD’s is allowed only after consulting Melexis regarding assurance
of adhesive strength between device and board.
Melexis recommends reviewing on our web site the General Guidelines soldering recommendation
(http://www.melexis.com/Quality_soldering.aspx) as well as trim&form recommendations
(http://www.melexis.com/Assets/Trim-and-form-recommendations-5565.aspx).
18.
ESD Precautions
Electronic semiconductor products are sensitive to Electro Static Discharge (ESD).
Always observe Electro Static Discharge control procedures whenever handling semiconductor products.
MLX90360
Rev. 009
Page 29 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
19.
Package Information
19.1. SOIC8 - Package Dimensions
1.27 TYP
NOTES:
3.81
3.99**
4.80
4.98*
5.80
6.20**
All dimensions are in millimeters (anlges in degrees).
* Dimension does not include mold flash, protrusions or
gate burrs (shall not exceed 0.15 per side).
** Dimension does not include interleads flash or protrusion
(shall not exceed 0.25 per side).
*** Dimension does not include dambar protrusion.
Allowable dambar protrusion shall be 0.08 mm total in
excess of the dimension at maximum material condition.
Dambar cannot be located on the lower radius of the foot.
1.37
1.57
1.52
1.72
0.19
0.25
0°
8°
0.100
0.250
0.36
0.46***
0.41
1.27
19.2. SOIC8 - Pinout and Marking
Vss
Vdig
Test 1
8
Out
Marking :
5
Part Number MLX90360 (3 digits)
Die Version (3 digits)
360Axx
123456
Xy - E
TOP
Bottom
1
Vdd
MLX90360
Rev. 009
360
Lot number (6 digits)
Xy - E
Split lot number ( opt.) + “-E”
YY
WW
Week Date code (2 digits)
Year Date code (2 digits)
4
Test 0 Test 2
Axx
123456
NotUsed
Page 30 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
19.3. SOIC8 - Sensitive spot Positioning
CW
8
7
6
5
CCW
X
1.25
1.65
1
2
3
0.46 +/- 0.06
4
1.96
2.26
Y
Angle detection MLX90360 SOIC8
6
2
3
~ 90 Deg.*
5
8
7
4
1
2
2
3
5
S3
4
~ 270 Deg.*
5
8
7
6
5
4
1
2
N3
4
S
6
N
1
7
S
~ 180 Deg.*
8
6
N
1
7
S
8
N
~ 0 Deg.*
* No absolute reference for the angular information.
The MLX90360 is an absolute angular position sensor but the linearity error (See section 10) does not
include the error linked to the absolute reference 0 Deg (which can be fixed in the application through the
discontinuity point).
MLX90360
Rev. 009
Page 31 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
19.4. TSSOP16 - Package Dimensions
0.65 ± 0.04
12O REF
0.20 ± 0.04
DIA 1.0 REF
0.09 MIN
4.30
4.50**
6.4 ± 0.2
0.09 MIN
1.0 REF
12O REF
0.50
0.75
0O
8O
1.0 ± 0.2
1.0 REF
0.85
0.95
4.90
5.10*
1.1 MAX
0.19
0.30***
0.09
0.20
0.05
0.15
NOTES:
All dimensions are in millimeters (anlges in degrees).
* Dimension does not include mold flash , protrusions or gate burrs (shall not exceed 0.15 per side).
** Dimension does not include interleads flash or protrusion (shall not exceed 0.25 per side).
*** Dimension does not include dambar protrusion. Allowable dambar protrusion shall be 0.08 mm total in excess of the dimension at
maximum material condition. Dambar cannot be located on the lower radius of the foot.
REF: Reference dimensions as stated in packaging supplier POD , based on JEDEC.
MLX90360
Rev. 009
Page 32 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
19.5. TSSOP16 - Pinout and Marking
16
1
Test 1 1
Marking
Out 1
Part Number MLX90360 (3 digits)
Die Version (3 digits)
Not Used 2
Test 0 1
Test 2 1
Test 2 2
Test 0 2
Out 2
TOP
Axxx
12345
360Axx
123456
Xy - E
Not Used 2
360
Lo number (6 digits)
Xy - E
Bottom
YY
Test 1 2
8
Split lot number ( opt.) + “-E”
WW
Week Date code (2 digits)
Year Date code (2 digits)
9
19.6. TSSOP16 - Sensitive spot Positioning
CW
X2
9
16
Die 1
Die 2
Y2
Y1
0.30 +/- 0.06
CCW
1.95
2.45
1
8
1.84
2.04
X1
2.76
2.96
MLX90360
Rev. 009
Page 33 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
Angle detection MLX90360 TSSOP16
~ 0 Deg.* ~ 180 Deg.*
9
16
Die 1
~ 90 Deg.*~ 270 Deg.*
9
16
Die 2
Die 1
N
S
N S
1
8
~ 180 Deg.*~ 0 Deg.*
9
16
Die 1
1
8
~ 270 Deg.*~ 90 Deg.*
9
16
Die 2
Die 1
S
N
1
Die 2
Die 2
S N
8
1
8
* No absolute reference for the angular information.
The MLX90360 is an absolute angular position sensor but the linearity error (See section 10) does not
include the error linked to the absolute reference 0Deg (which can be fixed in the application through the
discontinuity point).
MLX90360
Rev. 009
Page 34 of 35
Datasheet
Dec/13
MLX90360

Triaxis Position Sensor IC
20.
Disclaimer
Devices sold by Melexis are covered by the warranty and patent indemnification provisions appearing in
its Term of Sale. Melexis makes no warranty, express, statutory, implied, or by description regarding the
information set forth herein or regarding the freedom of the described devices from patent infringement.
Melexis 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 Melexis for current information.
This product is intended for use in normal 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 Melexis for each application.
The information furnished by Melexis is believed to be correct and accurate. However, Melexis 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, interrupt 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 Melexis’ rendering of technical or other services.
© 2012 Melexis NV. All rights reserved.
For the latest version of this document, go to our website at
www.melexis.com
Or for additional information contact Melexis Direct:
Europe, Africa, Asia:
Phone: +32 1367 0495
E-mail: [email protected]
America:
Phone: +1 248 306 5400
E-mail: [email protected]
ISO/TS 16949 and ISO14001 Certified
MLX90360
Rev. 009
Page 35 of 35
Datasheet
Dec/13