MLX90333LDC-BCH Melexis Inc, MLX90333LDC-BCH Datasheet

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MLX90333LDC-BCH

Manufacturer Part Number
MLX90333LDC-BCH
Description
IC 3D-JOYSTICK POS SENSOR 8-SOIC
Manufacturer
Melexis Inc
Datasheet

Specifications of MLX90333LDC-BCH

Sensor Type
3D
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 150°C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
MLX90333LDC
MLX90333LDC
Q4656097

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MLX90333LDC-BCH-000
Manufacturer:
MELEXIS/迈来芯
Quantity:
20 000
Features and Benefits
Absolute 3D Position Sensor
Simple & Robust Magnetic Design
Tria⊗is™ Hall Technology
Programmable Linear Transfer Characteristics (Alpha, Beta)
Selectable Analog (Ratiometric), PWM, Serial Protocol
12 bit Angular Resolution - 10 bit Angular Thermal Accuracy
40 bit ID Number
Single Die – SO8 Package RoHS Compliant
Dual Die (Full Redundant) – TSSOP16 Package RoHS Compliant
Applications
3D Position Sensor
4-Way Scroll Key
Man Machine Interface Device
3901090333
Rev. 003
Page 1 of 46
Joystick
Joypad
Linear Position Sensor
Triaxis Position Sensor
MLX90333
Data Sheet
Feb. 11

Related parts for MLX90333LDC-BCH

MLX90333LDC-BCH Summary of contents

Page 1

Features and Benefits Absolute 3D Position Sensor Simple & Robust Magnetic Design Tria⊗is™ Hall Technology Programmable Linear Transfer Characteristics (Alpha, Beta) Selectable Analog (Ratiometric), PWM, Serial Protocol 12 bit Angular Resolution - 10 bit Angular Thermal Accuracy 40 bit ID ...

Page 2

Ordering Information Part No. Temperature Suffix MLX90333 S (-20°C to 85°C) MLX90333 E (-40°C to 85°C) MLX90333 K (-40°C to 125°C) MLX90333 L (-40°C to 150°C) MLX90333 E (-40°C to 85°C) MLX90333 K (-40°C to 125°C) MLX90333 L (-40°C to ...

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Functional Diagram Tria is ™ Tria is ™ 3901090333 Rev. 003 3V3 Reg DSP μC D RAM EEP ROM Figure 1 - ...

Page 4

Description The MLX90333 is a monolithic sensor IC featuring the Tria⊗is™ Hall technology. Conventional planar Hall technology is only sensitive to the flux density applied orthogonally to the IC surface. The Tria⊗is™ Hall sensor is also sensitive to the ...

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FEATURES AND BENEFITS ....................................................................................................................... 1 APPLICATIONS............................................................................................................................................ 1 ORDERING INFORMATION......................................................................................................................... 2 1. FUNCTIONAL DIAGRAM...................................................................................................................... 3 2. DESCRIPTION....................................................................................................................................... 4 GLOSSARY OF TERMS − ABBREVIATIONS − ACRONYMS ............................................................ PINOUT.................................................................................................................................................. 7 5. ABSOLUTE MAXIMUM RATINGS ....................................................................................................... 8 6. DETAILED DESCRIPTION.................................................................................................................... 8 ...

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P ROGRAMMABLE ENHANCED 14.7.1. Enhanced “Joystick “Angle Formula...................................................................................................30 14. ROGRAMMABLE IAGNOSTIC 14.8.1. OUTxDIAG Parameter.........................................................................................................................30 14.8.2. RESONFAULT Parameter ...................................................................................................................30 14.8.3. EEHAMHOLE Parameter ....................................................................................................................30 14.9. L .........................................................................................................................................................31 OCK 14.9.1. MLXLOCK Parameter .........................................................................................................................31 14.9.2. LOCK Parameter .................................................................................................................................31 15. MLX90333 SELF ...

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Glossary of Terms Gauss (G), Tesla (T): Units for the magnetic flux density − TC: Temperature Coefficient (in ppm/Deg.C.) NC: Not Connected PWM: Pulse Width Modulation % : Duty Cycle of the output signal ...

Page 8

Absolute Maximum Ratings Parameter Supply Voltage, V Reverse Voltage Protection Positive Output Voltage (Analog or PWM) Both outputs Output Current (I OUT Reverse Output Voltage Both outputs Reverse Output Current Both outputs O ...

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In summary, along X-axis, the left Hall plate measures “ ”. Similarly, along the Y-axis, the left Hall plate measures “B Z “- ”. Y⊥ Z Through an appropriate signal processing, the Tria⊗is™ sensor front-end reports ...

Page 10

Figure 6 – Magnetic Flux Density – β Deg – B 400 300 200 100 0 -100 -200 -300 -400 0 Figure 7 – Magnetic Flux Density – ...

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Figure 8 – ADC Input Signals – β Deg – V 2000 1500 1000 500 0 -500 -1000 -1500 -2000 0 Figure 9 – ADC Input Signals – ...

Page 12

The conditioned analog signals are converted through an ADC (configurable − bits) and provided to a DSP block for further processing. The DSP stage is based bit RISC micro-controller whose primary function is the ...

Page 13

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 Vout(α) = Voffset + Gain × α Vout(α) = ClampHi Vout(β) = ClampLo Vout(β) = ...

Page 14

MLX90333 Electrical Specification DC Operating Parameters at V Temperature suffix (K or L). Parameter Symbol Nominal Supply Voltage Supply Current (7) POR Level V Output Current Both outputs O & Output Short Circuit Current ...

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As an illustration of the previous table, the MLX90333 fits the typical classification of the output span described on the Figure 10. 100 % ...

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MLX90333 Isolation Specification DC Operating Parameters at V Temperature suffix (K or L). Only valid for the package code GO i.e. dual die version. Parameter Symbol Isolation Resistance 9. MLX90333 Timing Specification DC Operating Parameters Temperature ...

Page 17

MLX90333 Accuracy Specification DC Operating Parameters at V Temperature suffix (K or L). Parameter Symbol ADC Resolution on the raw signals X, Y and Z Offset on the Raw Signals X, Y X0, Y0 and Z Mismatch ...

Page 18

MLX90333 Accuracy Specification Noise pk-pk (20) Ratiometry Error PWM Output Resolution PWM Jitter Serial Output Resolution 11. MLX90333 Magnetic Specification DC Operating Parameters at V Temperature suffix (K or L). Parameter Symbol Magnetic Flux Density B Magnetic Flux Density ...

Page 19

MLX90333 End-User Programmable Items Parameter MAINMODE Select Outputs Configuration Outputs Mode Define the output stages mode PWMPOL1 PWM Polarity (Out 1) PWMPOL2 PWM Polarity (Out 2) PWM_Freq PWM Frequency 3-Points 4 segments transfer curve for single angle output ALPHA_POL ...

Page 20

End-User Programmable Items EEHAMHOLE RESONFAULT Diagn mode MLXLOCK LOCK Extra end-User Programmable Items 90333BCT AGCRADIUSTARGET Define Gain target 64% / 90% ADC (26) SWTHRES Angle Trigger level for switch on out2 SWLOW Switch Low level output on out2 SWHIGH ...

Page 21

Description of End-User Programmable Items 14.1. Output Configuration The parameter MAINMODE defines the output stages configuration MAINMODE 14.2. Output Mode The MLX90333 outputs type is defined by the Output Mode parameter. Parameter Analog Output Mode ...

Page 22

For instance, in Low Speed Mode, set PWM_Freq = 7000 (decimal) to set the PWM frequency at 500Hz. 14.2.3. Serial Protocol Output Mode The MLX90333 features a digital Serial Protocol mode. The MLX90333 is considered as a Slave node. The ...

Page 23

ALPHA_DP BETA_DP ALPHA_X ALPHA_Y ALPHA_S0 ALPHA_S1 CLAMP_LOW CLAMP_HIGH ALPHA_DEADZONE BETA_DEADZONE • 3-Points = 1, the parameters list is described as bellow (Alpha or Beta): Parameter ALPHA_POL LNR_A_X LNR_B_X LNR_C_X LNR_A_Y LNR_B_Y LNR_C_Y LNR_A_S LNR_B_S LNR_C_S CLAMP_LOW CLAMP_HIGH DEADZONE 14.3.1. The ...

Page 24

Alpha/Beta Discontinuity Point (or Zero Degree Point) The Discontinuity Point defines the zero point of the circle (Alpha or Beta). The discontinuity point places the origin at any location of the trigonometric circle (see Figure 13). For a Joystick ...

Page 25

Clamping High CLAMPHIGH LNR_C_Y LNR_B_Y LNR_A_Y CLAMPLOW Figure 12 – Digital Angle (Alpha) Transfer Characteristic for Single Angle Output 14.3.4. CLAMPING Parameters The clamping levels are two independent values to limit the output voltage range. ...

Page 26

Identification Parameter MELEXSID1 MELEXSID2 MELEXSID3 CUSTUMERID1 CUSTUMERID2 CUSTUMERID3 Identification number: 48 bits freely useable by Customer for traceability purpose. 14.5. Sensor Front-End Parameter HIGHSPEED GAINMIN GAINMAX FIELDTHRES_LOW FIELDTHRES_HIGH 14.5.1. HIGHSPEED Parameter The HIGHSPEED parameter defines the main frequency for ...

Page 27

FILTER Parameter FILTERFIRST The MLX90333 includes 3 types of filters: • Hysteresis Filter: programmable by the FHYST parameter • Low Pass FIR Filters controlled with the Filter parameter • Low Pass IIR Filter controlled with the Filter parameter and ...

Page 28

Figure 14 - Step Response and Noise Response for FIR (No 3) and FHYST=10 14.6.3. IIR Filters The IIR Filter is enabled with ...

Page 29

Filter No Type Title 90% Response Time ( Efficiency RMS (dB) Efficiency P2P (dB) Coefficient A1 Coefficient A2 The Figure 16 shows the response of the filter to a Gaussian noise with default coefficient A1 and A2. 40200 ...

Page 30

Enhanced “Joystick “Angle Formula α = β = The enhanced “joystick” angle function is enabled by parameter ENORTH. Parameters are automatically calculated when using the 90333BCT/ 9 points solver to optimize the shape of Betaout vs Alphaout in accordance ...

Page 31

Lock 14.9.1. MLXLOCK Parameter MLXLOCK locks all the parameters set by Melexis. 14.9.2. LOCK Parameter LOCK locks all the parameters set by the user. Once the lock is enabled not possible to change the EEPROM values anymore. ...

Page 32

MLX90333 Self Diagnostic The MLX90333 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”). ROM ...

Page 33

Fault Mode Fault Mode ADC Monitor (Analog to Digital Set Outputs in Diagnostic low. Converter) Normal Mode with immediate recovery without CPU Reset Undervoltage Mode At Start-Up, wait Until V During operation, CPU Reset after 3 ms debouncing Firmware ...

Page 34

Serial Protocol 16.1. Introduction The MLX90333 features a digital Serial Protocol mode. The MLX90333 is considered as a Slave node. The serial protocol of the MLX90333 is a three wires protocol (/SS, SCLK, MOSI-MISO): • /SS pin is a ...

Page 35

Timing To synchronize communication, the Master deactivates /SS high for at least t5 (1.5 ms). In this case, the Slave will be ready to receive a new frame. The Master can re-synchronize at any time, even in the middle ...

Page 36

Slave Reset On internal soft failures the Slave resets after 1 second or after an (error) frame is sent. On internal hard failures the Slave resets itself. In that case, the Serial Protocol will not come up. The serial ...

Page 37

Data Structure The DATA could be a valid angle/field component or an error condition. DATA: Angle/ Field Component A[15:0] with (Span)/2 Less Significant Byte msb DATA: Error Less Significant Byte msb ...

Page 38

Recommended Application Diagrams 17.1. Analog Output Wiring with the MLX90333 in SOIC Package Vdd Vss MLX90333 Test 1 Vdig NotUsed Test 2 Out 2 Out 1 Figure 18 – Recommended wiring for the MLX90333 in SOIC8 package 17.2. PWM ...

Page 39

Analog Output Wiring with the MLX90333 in TSSOP Package C2 100nF C1 V DIG1 100nF V O SS1 O V DD1 MLX90333 C62 100nF O UT2_2 O UT1_2 C61 100nF Figure 20 – Recommended wiring for the MLX90333 in ...

Page 40

Application Type Supply (V) 5V μCtrl w/o O.D. w/o 3. μCtrl w/o O.D. w/ 3.3V 5V 3.3V μCtrl w/o O.D. 3.3V (32) 5V μCtrl w/ O.D. w/o 3.3V 5V (33) 3.3V μCtrl w/ O.D. 3.3V Table 3 ...

Page 41

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 ...

Page 42

Package Information 20.1. SOIC8 - Package Dimensions 1.27 TYP 4.80 4.98* 0.36 0.46*** 20.2. SOIC8 - Pinout and Marking 8 333Bxx 123456 1 3901090333 Rev. 003 NOTES: All dimensions are in millimeters (anlges in degrees). * Dimension does not ...

Page 43

SOIC8 - IMC Positionning 8 COS 1.25 1.65 1 3901090333 Rev. 003 CCW 1.96 2.26 SIN Page MLX90333 Tria ⊗ is ™ Position Sensor 0.46 +/- 0.06 Data Sheet ...

Page 44

TSSOP16 - Package Dimensions 0.65 TYP 1.0 DIA 1.0 1.0 4.90 5.10* 0.19 0.30*** 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 ...

Page 45

TSSOP16 - Pinout and Marking Vdig_1 Vss_1 Vdd_1 Test0_1 _SS_2 Out2_2/SCLK_2 Out1_2/MOSI/MISO_2 Test1_2 20.6. TSSOP16 - IMC Positionning 16 Die 1 SIN 2 1.95 2.45 1 1.84 2.04 COS 1 3901090333 Rev. 003 Test1_1 Out1_1/MOSI/MISO_1 Out2_1/SCLK_1 _SS_1 Test0_2 Vdd_2 ...

Page 46

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 description regarding the information set forth herein or regarding the ...

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