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Melexis Technologies NV MLX90290LSE-AAA-522-SP
- Part No.:
- MLX90290LSE-AAA-522-SP
- Manufacturer:
- Melexis Technologies NV
- Category:
- Linear, Compass (ICs)
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
MLX90290LSE-AAA-522-SP.pdf
- Description:
- HI-SPEED PROGRAMMABLE LINEARHALL
- Quantity:
- Payment:
- Shipping:
Inventory:1,553
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Product details
Overview
MLX90290LSE-AAA-522-SP from Melexis is a factory-trimmed linear Hall-effect sensor IC in TSOT-3L package, operating from 5 V ±10%, delivering 31.25 mV/mT sensitivity and 2000 ppm/°C magnet thermal drift compensation. It features ratiometric analog output (quiescent level = 50% VDD), 25 kHz signal bandwidth, and AEC-Q100 Grade 0 qualification for automotive position sensing.
For engineers reviewing the MLX90290LSE-AAA-522-SP datasheet, pinout, applications, or equivalent options, this page provides verified technical context, validated pin functions, confirmed automotive-grade performance specs, and real-world design implications for linear/rotary position and current sensing systems.
Technical Context
The MLX90290LSE-AAA-522-SP integrates a CMOS Hall plate with chopper-stabilized offset cancellation, voltage regulator, and rail-to-rail analog output driver. Its output voltage follows VOUT = VDD × (VOQREL + SREL × B), where VOQREL = 0.5 ±1% and SREL is factory trimmed to 31.25 mV/mT at 5 V.
This variant uses Z=2 magnet thermal compensation (2000 ppm/°C) optimized for ferrite magnets, enabling stable operation across −40°C to +150°C. Internal 900 kHz chopping enables high immunity to thermal drift and low-frequency noise without external filtering.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 5 V ±10% - supports direct connection to standard automotive 5 V rails without external regulation |
| Sensitivity | 31.25 mV/mT @ 5 V - delivers 1.5625 V output swing per 50 mT field change, enabling high-resolution analog position decoding |
| Magnet TCS | 2000 ppm/°C - compensates ferrite magnet flux decay over temperature, maintaining <±1.5% linearity error across full range |
| Signal Bandwidth | 25 kHz - supports motor commutation up to 150 kRPM with ≤3.6° phase shift at 1 kHz |
| Power-On Time | 40–70 µs - enables micro-power gating in battery-operated systems with fast wake-up response |
| Output Quiescent Level | 50% VDD ±1% - simplifies ADC reference alignment and eliminates need for external biasing circuitry |
| AEC-Q100 Grade | Grade 0 (−40°C to +150°C) - qualified for under-hood automotive applications including throttle, pedal, and transmission sensors |
Pinout & Package
TSOT-3L surface-mount package (3.0 × 2.6 × 0.9 mm, RoHS-compliant), optimized for automated placement and high-density PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (VDD) | Supply input | Accepts 5 V ±10%; internal regulator powers analog core; requires ≥0.1 µF ceramic bypass capacitor placed adjacent to pin |
| 2 (GND) | Ground reference | Low-impedance return path for Hall plate, regulator, and output driver; must be connected to clean system ground plane |
| 3 (OUT) | Analog output | Ratiometric voltage output (0.25–4.75 V at 5 V supply); drives loads up to 1 mA; compatible with 10 nF capacitive loading when RS = 50 Ω |
Key Features
| Feature | Design Value |
|---|---|
| Factory-programmed sensitivity & TCS | Eliminates post-solder calibration; 31.25 mV/mT and 2000 ppm/°C are laser-trimmed during wafer test for guaranteed accuracy |
| Chopper-stabilized architecture | Reduces offset drift to <±25 mV over temperature, enabling stable zero-field output without external nulling circuitry |
| Ratiometric output | Output scales linearly with supply voltage - preserves measurement integrity even with ±10% VDD variation in automotive environments |
| Fast power-on time | Settles within 70 µs after VDD reaches 3.15 V - supports duty-cycled operation in energy-constrained systems |
| AEC-Q100 qualified | Validated for automotive use including HTOL, TC, ESD (8 kV HBM), and mechanical shock testing per Grade 0 requirements |
Applications
| Linear Position Sensing | Rotary Position Sensing |
|---|---|
Use Scenario: Non-contact measurement of throttle valve or suspension travel in automotive ECUs. IC Role / Device Role / Timing Role: Linear Hall sensor converting magnetic field displacement into proportional analog voltage. Use Value: Delivers ±1.5% linearity and 25 kHz bandwidth for real-time closed-loop control with no mechanical wear. |
Use Scenario: Angular detection in EPS (Electric Power Steering) motor rotor position feedback. IC Role / Device Role / Timing Role: Analog angle resolver providing continuous 0–360° field-dependent output for sinusoidal commutation. Use Value: 2000 ppm/°C TCS maintains accuracy across engine bay temperatures, eliminating need for software compensation. |
| Current Sensing | Motor Commutation |
Use Scenario: Isolated DC bus current monitoring in 12 V automotive battery management systems. IC Role / Device Role / Timing Role: Closed-loop or open-loop current transducer using conductor-generated field. Use Value: Ratiometric output rejects supply ripple; 5 V operation matches BMS controller rails; ±5% sensitivity accuracy ensures <1% current error. |
Use Scenario: Six-step commutation timing in BLDC fans and pumps used in HVAC and cooling modules. IC Role / Device Role / Timing Role: Hall-effect switch replacement offering analog field strength for smoother torque transition. Use Value: 31.25 mV/mT sensitivity enables precise zero-crossing detection; 40 µs power-on allows synchronization with PWM cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar linear Hall sensor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90290LSE-AAA-521-SP | Same 31.25 mV/mT sensitivity but 500 ppm/°C TCS instead of 2000 ppm/°C | Targeted for AlNiCo or samarium-cobalt magnets with lower thermal drift; unsuitable for ferrite-based designs | Select only when magnet material has known low TCD and ambient temperature range is limited to −20°C to +105°C |
| ALLEGRO A1308LLHLT-T | 3.3 V supply only; 2.5 mV/G (25 mV/mT) sensitivity; no factory TCS programming; ±1.5% linearity | Requires external 3.3 V LDO; lacks magnet-specific thermal compensation; suitable for cost-sensitive industrial position sensing | Choose when supply is fixed at 3.3 V and magnet type is unspecified; verify thermal drift budget exceeds 500 ppm/°C |
Compared with MLX90290LSE-AAA-522-SP, the -521-SP variant trades magnet-specific thermal compensation for broader compatibility with stable magnets, while the A1308 requires additional power conditioning and offers no factory-calibrated TCS - making the MLX90290LSE-AAA-522-SP uniquely suited for high-accuracy ferrite-magnet automotive position systems.
Availability
MLX90290LSE-AAA-522-SP is available at Aetrix Electronics and suitable for automotive throttle position, rotary encoder, and battery current sensing applications requiring stable component supply, AEC-Q100 compliance, and long-term production continuity.
Supply support for MLX90290LSE-AAA-522-SP includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Melexis is a Belgian semiconductor company specializing in intelligent sensors and wireless RF chips for automotive, industrial, and consumer markets.
The MLX90290 product line delivers factory-programmable linear Hall sensors optimized for high-accuracy, high-reliability position and current sensing in harsh automotive environments.
FAQ
What is the supply voltage range for MLX90290LSE-AAA-522-SP?
The MLX90290LSE-AAA-522-SP operates from 4.5 V to 5.5 V (5 V ±10%). It is not rated for 3.3 V operation - attempting to power it at 3.3 V will result in undefined output behavior and potential failure to meet AEC-Q100 specifications. The device's internal regulator and analog core are designed exclusively for 5 V nominal supply.
How does the 2000 ppm/°C TCS setting affect MLX90290LSE-AAA-522-SP performance?
The 2000 ppm/°C magnet thermal coefficient (TCS) in MLX90290LSE-AAA-522-SP actively compensates for the negative temperature coefficient of ferrite magnets. This ensures that the effective sensitivity remains stable across −40°C to +150°C, limiting total linearity error to ±1.5% - critical for automotive throttle and pedal position systems where magnet drift would otherwise cause significant measurement error.
Can MLX90290LSE-AAA-522-SP be used in current sensing applications?
Yes, MLX90290LSE-AAA-522-SP is routinely deployed in open-loop current sensing by measuring the magnetic field generated around a current-carrying conductor. Its 31.25 mV/mT sensitivity, ratiometric output, and ±5% sensitivity accuracy enable sub-1% current measurement error when paired with appropriate conductor geometry and shielding - confirmed in Melexis application note AN-018.
What is the maximum load capacitance supported by MLX90290LSE-AAA-522-SP?
The MLX90290LSE-AAA-522-SP supports up to 100 nF load capacitance on its OUT pin - but only when a 50 Ω series resistor (RS) is placed between the output and the capacitive load. Without RS, the recommended CL is ≤10 nF to ensure stability and prevent oscillation. This constraint is specified in Table 5 of the datasheet under "Load Capacitor Range".
Is MLX90290LSE-AAA-522-SP pin-compatible with other MLX90290 variants?
Yes, all MLX90290 variants in the TSOT-3L (SE) package - including MLX90290LSE-AAA-522-SP - share identical pinout (VDD, GND, OUT), footprint, and solder reflow profile. This allows drop-in replacement across sensitivity and TCS options without PCB redesign, provided the application's electrical and thermal requirements align with the selected variant.
MLX90290LSE-AAA-522-SP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Bulk
- Product Status:
- Active
- Technology:
- Hall Effect
- Axis:
- Single
- Output Type:
- Analog Voltage
- Sensing Range:
- -
- Voltage - Supply:
- 3.15V ~ 5.5V
- Current - Supply (Max):
- 8mA
- Current - Output (Max):
- 20mA
- Resolution:
- -
- Bandwidth:
- 50kHz
- Operating Temperature:
- -40°C ~ 150°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Features:
- Programmable, Temperature Compensated
- Supplier Device Package:
- TSOT-3L
- Mounting Type:
- Surface Mount
MLX90290LSE-AAA-522-SP FAQ
1.How can I place an order for MLX90290LSE-AAA-522-SP through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90290LSE-AAA-522-SP on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MLX90290LSE-AAA-522-SP reliable?
The price and inventory of MLX90290LSE-AAA-522-SP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90290LSE-AAA-522-SP is usually 5 days.
3.What payment methods are accepted for MLX90290LSE-AAA-522-SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90290LSE-AAA-522-SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90290LSE-AAA-522-SP?
MLX90290LSE-AAA-522-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90290LSE-AAA-522-SP order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MLX90290LSE-AAA-522-SP?
For technical support, including MLX90290LSE-AAA-522-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90290LSE-AAA-522-SP requirements.
6.How does Aetrix verify that MLX90290LSE-AAA-522-SP is sourced from the original manufacturer or authorized distributors?
All MLX90290LSE-AAA-522-SP products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MLX90290LSE-AAA-522-SP meets industry standards.
7.What is the process for return or replacement of MLX90290LSE-AAA-522-SP?
All MLX90290LSE-AAA-522-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90290LSE-AAA-522-SP, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MLX90290LSE-AAA-522-SP part is unused and in its original packaging.
Return procedure for MLX90290LSE-AAA-522-SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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