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Melexis Technologies NV MLX90380LGO-BAA-100-SP
- Part No.:
- MLX90380LGO-BAA-100-SP
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MLX90380LGO-BAA-100-SP.pdf
- Description:
- SENSOR RESOLVER ANLG 2CH 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,945
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Product details
Overview
MLX90380LGO-BAA-100-SP from Melexis is a monolithic Triaxis® resolver IC delivering true 360° contactless angular position sensing via dual ratiometric sine/cosine analog outputs. It operates from 3.3V or 5V supply, supports -40°C to 150°C ambient, features 4 µs output refresh rate, and is configured for X/Y magnetic axis with SmCo magnet compatibility and 40 mT full-scale range. It enables high-accuracy rotor position feedback in brushless motor control systems.
For engineers reviewing the MLX90380LGO-BAA-100-SP datasheet, pinout, applications, or equivalent options, this page provides verified technical context, TSSOP-16 package details, magnetic axis configuration, bandwidth selection (high BW), and real-world motor control integration guidance - all specific to the BAA-100 variant in TSSOP-16 packaging.
Technical Context
The MLX90380LGO-BAA-100-SP implements Triaxis® Hall technology to simultaneously sense orthogonal (X/Y) magnetic field components using integrated vertical and planar Hall elements. Its dual-die TSSOP-16 architecture provides full redundancy: Die A (pins 13–16) and Die B (pins 5–8) each deliver independent SIN/COS outputs with separate 3.3V/5V supplies and ground paths.
Factory-programmed for X/Y axis, 40 mT range, and high-bandwidth mode (BAA-100), it delivers 1.6 samples/degree at 25,000 rpm with ≤12 µs tracking delay. Output ratiometry ensures immunity to supply variation, while programmable sensitivity and offset correction support calibration against magnet and mechanical tolerances in end-of-shaft configurations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Type | Dual ratiometric analog: OUT1 = COS, OUT2 = SIN, both referenced to VDD |
| Output Refresh Rate | 4 µs per field component (8 µs full SIN/COS pair); enables 25,000 rpm operation |
| Supply Voltage | 3.135–3.6 V or 4.5–5.5 V; dual VDD3V3/VDD5V pins per die allow mixed-supply operation |
| Operating Temperature | -40°C to +150°C; qualified for automotive powertrain and industrial motor environments |
| Magnetic Range | 40 mT full-scale (BAA-100); ±40% VDD output swing at TA = 25°C, VDD = nominal |
| Angular Accuracy | ±1° total error with dynamic compensation; ±10° uncorrected at 25°C |
| Bandwidth Mode | High bandwidth (BAA-100 suffix); Nyquist frequency = 125 kHz, tracking delay = 12 µs |
Pinout & Package
TSSOP-16 package with exposed thermal pad; dual-die layout provides functional redundancy and separate supply/ground paths per die.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 9 | VSS_A / VSS_B | Independent ground returns for Die A and Die B; mandatory separation prevents crosstalk |
| 5, 13 | OUT2_B / OUT2_A | SIN analog outputs (Die B and Die A); ratiometric to respective VDD supply |
| 8, 16 | OUT1_B / OUT1_A | COS analog outputs (Die B and Die A); used with external ADC for arctan(OUT2/OUT1) |
| 6, 14 | VDD5V_B / VDD5V_A | 5V supply inputs per die; float VDD3V3 pins when using 5V mode |
| 7, 15 | VDD3V3_B / VDD3V3_A | 3.3V supply inputs per die; float VDD5V pins when using 3.3V mode |
| 2, 3, 10, 11, 12 | NC / TEST_A / TEST_B | No-connect or test pins; connect to GND for optimal EMC per datasheet Section 9.2 |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Hall Sensing | Simultaneous orthogonal (X/Y) flux measurement eliminates need for external flux concentrators or multi-sensor assemblies |
| Programmable Magnetic Axis | X/Y configuration (BAA-100) optimized for end-of-shaft mounting with two-pole magnets |
| Dual-Die Redundancy | Fully independent Die A and Die B in single TSSOP-16 package meet ASIL-D functional safety requirements |
| Ratiometric Outputs | Output voltage scales linearly with VDD; removes dependency on stable reference voltage in noisy motor environments |
| High-Speed Update | 4 µs per channel enables real-time field-oriented control (FOC) loop closure at >20 kHz PWM frequencies |
Applications
| Brushless Motor Rotor Position | Electric Power Steering (EPS) |
|---|---|
Use Scenario: Real-time angular feedback for commutation timing in permanent magnet synchronous motors (PMSM) and BLDC motors. IC Role / Device Role / Timing Role: Resolver replacement delivering true 360° absolute angle via analog SIN/COS outputs to MCU ADC. Use Value: Enables precise sinusoidal current injection and torque ripple reduction at up to 25,000 rpm with <12 µs latency. |
Use Scenario: High-reliability steering angle sensing in automotive EPS systems requiring ASIL-D compliance. IC Role / Device Role / Timing Role: Dual-die redundant position sensor providing independent angle data streams for fault detection and voting logic. Use Value: Eliminates single-point failure risk; supports diagnostic coverage >90% per ISO 26262 without external redundancy circuitry. |
| Industrial Servo Motor Feedback | Robot Joint Actuation |
Use Scenario: Closed-loop position control in industrial servo drives operating in harsh thermal environments (-40°C to 150°C). IC Role / Device Role / Timing Role: Contactless angular transducer interfacing directly to servo drive's analog input stage. Use Value: No wear-out mechanism; maintains ±1° accuracy over lifetime with dynamic software compensation of magnet drift. |
Use Scenario: Compact, high-bandwidth joint angle measurement in collaborative robots requiring fast response and compact form factor. IC Role / Device Role / Timing Role: Miniaturized resolver alternative enabling direct PCB-mount integration near motor shaft. Use Value: TSSOP-16 footprint reduces board area by >60% vs. traditional resolvers; supports 10 kHz control loop update rates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute rotary position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90380LDC-BAA-100-RE | SOIC-8 single-die package; no redundancy; identical X/Y axis, 40 mT, high-BW configuration | Suitable for cost-sensitive non-safety-critical applications where PCB space permits larger SOIC-8 footprint | Select when functional safety certification is not required and board layout allows SOIC-8 placement. |
| MLX90380LGO-BAB-100-RE | Same TSSOP-16 dual-die package but programmed for NdFeB magnet (BAB-100), same 40 mT/high-BW | Required when using neodymium magnets instead of SmCo; exhibits different TCS (1100 ppm/°C vs. 350 ppm/°C) | Select when magnet material is NdFeB and temperature-induced sensitivity drift must match magnet characteristics. |
Compared with MLX90380LGO-BAA-100-SP, the SOIC-8 variant trades redundancy for lower cost and simpler layout, while the BAB-100 version maintains dual-die safety integrity but adapts sensitivity compensation for NdFeB magnets - both require revalidation of magnetic coupling and thermal drift behavior in the target mechanical assembly.
Availability
MLX90380LGO-BAA-100-SP is available at Aetrix Electronics and suitable for brushless motor control, electric power steering, and industrial servo applications requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MLX90380LGO-BAA-100-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 sensor solutions for automotive and industrial markets, with core expertise in magnetic sensing and embedded signal processing.
The MLX90380 product line delivers contactless absolute angular position sensing using Triaxis® Hall technology, designed specifically for high-reliability motor control, steering, and robotics applications demanding extended temperature operation and functional safety compliance.
FAQ
What is the magnetic axis configuration of MLX90380LGO-BAA-100-SP?
The MLX90380LGO-BAA-100-SP is factory-programmed for X/Y magnetic axis configuration (per option code BAA), meaning OUT1 responds to the X-component and OUT2 to the Y-component of the applied magnetic field. This setting is optimized for end-of-shaft mounting with two-pole magnets and cannot be changed post-manufacture without reprogramming via the TEST pins - which requires Melexis programming tools and is not supported in standard operation.
Does MLX90380LGO-BAA-100-SP support both 3.3V and 5V supply simultaneously?
Yes - the MLX90380LGO-BAA-100-SP has separate VDD3V3_A/VDD3V3_B and VDD5V_A/VDD5V_B pins. However, only one supply voltage per die should be active: either 3.3V on VDD3V3 pins (with VDD5V pins floated) or 5V on VDD5V pins (with VDD3V3 pins floated). Simultaneous application of both voltages violates absolute maximum ratings and may damage the device.
How does the dual-die architecture of MLX90380LGO-BAA-100-SP improve system reliability?
The dual-die TSSOP-16 implementation of MLX90380LGO-BAA-100-SP provides fully independent signal chains (Die A and Die B), each with dedicated supply, ground, and analog outputs. This enables cross-checking, fault detection, and voting mechanisms required for ASIL-D compliance in automotive EPS and industrial safety systems - eliminating single-point failures without external redundancy components.
What is the significance of the "100" in the option code BAA-100 for MLX90380LGO-BAA-100-SP?
In the BAA-100 option code, "100" specifies high-bandwidth mode ('1' = 5V supply, '00' = high bandwidth), 40 mT full-scale magnetic range ('00'), and X/Y magnetic axis ('BA'). This configuration yields 125 kHz Nyquist frequency and 12 µs tracking delay - critical for high-speed motor control loops exceeding 20,000 rpm - and is distinct from medium ('2xx') or low ('0xx') bandwidth variants.
Can MLX90380LGO-BAA-100-SP be used with ferrite magnets?
No - the "BAA" prefix in MLX90380LGO-BAA-100-SP explicitly denotes SmCo (Samarium Cobalt) magnet compatibility. Ferrite magnets require "BAC" option codes (e.g., MLX90380LGO-BAC-100-RE), which program different sensitivity temperature coefficients (2000 ppm/°C vs. 350 ppm/°C for SmCo) and offset drift profiles. Using MLX90380LGO-BAA-100-SP with ferrite magnets results in significant angular error due to uncompensated thermal drift.
MLX90380LGO-BAA-100-SP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width)
- Series:
- Triaxis®
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- -
- For Measuring:
- Rotary Position
- Technology:
- Hall Effect
- Rotation Angle - Electrical, Mechanical:
- 0° ~ 360°
- Linear Range:
- -
- Output:
- Analog Voltage
- Output Signal:
- Cosine, Sine
- Actuator Type:
- External Magnet, Not Included
- Linearity:
- ±1.5%
- Resistance:
- -
- Resistance Tolerance:
- -
- Voltage - Supply:
- 4.5V ~ 5.5V
- Mounting Type:
- Surface Mount
- Termination Style:
- Gull Wing
- Operating Temperature:
- -40°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 16-TSSOP
MLX90380LGO-BAA-100-SP FAQ
1.How can I place an order for MLX90380LGO-BAA-100-SP through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90380LGO-BAA-100-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 MLX90380LGO-BAA-100-SP reliable?
The price and inventory of MLX90380LGO-BAA-100-SP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90380LGO-BAA-100-SP is usually 5 days.
3.What payment methods are accepted for MLX90380LGO-BAA-100-SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90380LGO-BAA-100-SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90380LGO-BAA-100-SP?
MLX90380LGO-BAA-100-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90380LGO-BAA-100-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 MLX90380LGO-BAA-100-SP?
For technical support, including MLX90380LGO-BAA-100-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90380LGO-BAA-100-SP requirements.
6.How does Aetrix verify that MLX90380LGO-BAA-100-SP is sourced from the original manufacturer or authorized distributors?
All MLX90380LGO-BAA-100-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 MLX90380LGO-BAA-100-SP meets industry standards.
7.What is the process for return or replacement of MLX90380LGO-BAA-100-SP?
All MLX90380LGO-BAA-100-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90380LGO-BAA-100-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 MLX90380LGO-BAA-100-SP part is unused and in its original packaging.
Return procedure for MLX90380LGO-BAA-100-SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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