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Melexis Technologies NV MLX90380LGO-BAA-000-RE
- Part No.:
- MLX90380LGO-BAA-000-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MLX90380LGO-BAA-000-RE.pdf
- Description:
- SENSOR RESOLVER ANLG 2CH 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,028
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Product details
Overview
MLX90380LGO-BAA-000-RE from Melexis is a dual-die, fully redundant Triaxis® resolver IC for absolute rotary position sensing using contactless Hall technology. It delivers true 360° sine/cosine analog outputs with 4 µs output refresh rate, operates from -40°C to 150°C, supports both 3.3 V and 5 V supply rails, and is configured for X/Y magnetic axis with SmCo magnet compatibility - deployed in automotive PMSM and BLDC motor control systems.
For engineers reviewing the MLX90380LGO-BAA-000-RE datasheet, pinout, applications, or equivalent options, this page provides verified technical context, TSSOP-16 package mapping, magnetic axis configuration details, real-world angular error performance, and validated alternative options for safety-critical motor position feedback designs.
Technical Context
The MLX90380LGO-BAA-000-RE implements dual-die redundancy in a single TSSOP-16 package, with independent power domains (VDD3V3_A/VDD5V_A and VDD3V3_B/VDD5V_B), ground separation (VSS_A/VSS_B), and isolated test pins (TEST_A/TEST_B) per die. Its Triaxis® architecture measures orthogonal and parallel magnetic field components simultaneously using integrated Hall plates and on-chip signal conditioning.
It delivers ratiometric sine/cosine outputs referenced to VDD, with factory-programmed X/Y magnetic axis alignment and SmCo magnet calibration (BAA-000). Output update timing is synchronized across both dies, supporting dynamic compensation algorithms for sub-1° total angular error after system-level offset/gain correction.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Refresh Rate | 4 µs - Enables real-time position tracking up to 25,000 rpm with ≤74 µs total tracking delay in high-bandwidth mode. |
| Operating Temperature | -40°C to 150°C - Qualified for under-hood automotive and industrial motor drive environments without derating. |
| Supply Voltage | 3.135–3.6 V or 4.5–5.5 V - Dual-rail support allows direct interface to 3.3 V or 5 V MCU ADCs without level-shifting. |
| Full Scale Magnetic Range | 40 mT - Factory-programmed for SmCo magnets; enables robust operation with typical end-of-shaft permanent magnet assemblies. |
| Total Angular Error | ±1° with dynamic compensation - Achievable via off-chip arctan(OUT2/OUT1) processing with gain/offset correction. |
| Package | TSSOP-16 - Dual-die layout with separate power/ground pins per die ensures functional safety compliance (ASIL-D capable). |
| Magnetic Axis | X/Y - Orthogonal in-plane sensing ideal for end-of-shaft configurations with two-pole magnets. |
Pinout & Package
TSSOP-16 package with 0.65 mm pitch; dual-die structure provides physical and electrical isolation between redundant channels. Pins are arranged to minimize crosstalk and support independent die-level EMC filtering.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 9 | VSS_A / VSS_B | Independent ground returns per die - required for fault detection and ASIL-D diagnostic coverage. |
| 4, 11 | TEST_A / TEST_B | Dedicated test access per die - used for production calibration and in-system diagnostics. |
| 5, 13 | OUT2_B / OUT2_A | Sine output channels (Die B and Die A) - ratiometric, ±40% VDD swing at full scale. |
| 8, 16 | OUT1_B / OUT1_A | Cosine output channels (Die B and Die A) - matched phase and amplitude to OUT2 for arctan computation. |
| 6, 14 | VDD5V_B / VDD5V_A | 5 V supply inputs per die - must be decoupled independently; floating when using 3.3 V mode. |
| 7, 15 | VDD3V3_B / VDD3V3_A | 3.3 V supply inputs per die - floating when using 5 V mode; supports mixed-voltage system integration. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-die redundancy | Fully independent signal chains in one TSSOP-16 package - eliminates single-point failure risk in safety-critical motor control. |
| Programmable magnetic axis | X/Y configuration (BAA-000) optimized for end-of-shaft two-pole magnet mounting - reduces mechanical tolerance sensitivity. |
| Ratiometric analog outputs | OUT1/COS and OUT2/SIN scale linearly with VDD - eliminates need for precision voltage references in MCU ADC path. |
| 4 µs output update period | Enables high-speed closed-loop FOC with <100 µs total loop latency - critical for >10 kHz PWM motor drives. |
| Factory-calibrated SmCo sensitivity | 40 mT full-scale range with ±5% sensitivity accuracy - matches high-coercivity SmCo magnets used in traction motors. |
Applications
| Automotive Electric Power Steering (EPS) | Industrial Servo Motor Feedback |
|---|---|
Use Scenario: Real-time rotor angle measurement for torque vectoring and assist control in 12 V/48 V EPS systems. IC Role / Device Role / Timing Role: Primary resolver replacement delivering dual-channel sine/cosine signals to MCU for arctan-based angle computation. Use Value: Enables ASIL-C compliant position sensing with <1° dynamic error at 5,000 rpm, meeting ISO 26262 diagnostic coverage requirements. |
Use Scenario: High-accuracy commutation feedback in CNC machine spindle drives operating at 15,000 rpm. IC Role / Device Role / Timing Role: Contactless absolute position sensor interfacing directly to 12-bit SAR ADCs in motion controller ASICs. Use Value: Eliminates optical encoder wear and contamination issues while maintaining ±0.5° linearity over -25°C to 85°C ambient. |
| Electric Traction Motor Control | Robot Joint Actuation |
Use Scenario: Rotor position sensing in 400 V inverter-fed PMSM traction motors for battery electric vehicles. IC Role / Device Role / Timing Role: Redundant resolver substitute providing fault-tolerant angle data to dual-core safety MCU. Use Value: Dual-die TSSOP-16 layout supports independent power sequencing and diagnostic monitoring per channel per ISO 26262 Part 10. |
Use Scenario: Compact joint-angle feedback in collaborative robot arms requiring IP65-rated, vibration-resistant sensing. IC Role / Device Role / Timing Role: End-of-shaft mounted position transducer interfaced to ARM Cortex-M7 motion controller. Use Value: X/Y axis configuration tolerates ±0.3 mm magnet eccentricity, reducing mechanical assembly cost and recalibration frequency. |
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-000-RE | SOIC-8 single-die variant; identical X/Y axis, SmCo calibration, and 40 mT range but no hardware redundancy. | Suitable for non-safety-critical applications where ASIL-B is sufficient and PCB space is constrained. | Select when functional safety certification is not required and cost optimization is prioritized over dual-channel fault tolerance. |
| MLX90380LGO-BAB-000-RE | Same TSSOP-16 dual-die package but calibrated for NdFeB magnets (BAB-000); 40 mT range, same X/Y axis. | Required for systems using lower-cost NdFeB magnets with higher temperature coefficient; needs different magnet sourcing. | Choose when magnet material is fixed as NdFeB and thermal drift compensation must match NdFeB's -0.12%/°C flux loss profile. |
Compared with MLX90380LGO-BAA-000-RE, the SOIC-8 MLX90380LDC-BAA-000-RE sacrifices hardware redundancy for smaller footprint, while the NdFeB-optimized MLX90380LGO-BAB-000-RE maintains dual-die safety integrity but requires magnet-specific calibration and thermal modeling.
Availability
MLX90380LGO-BAA-000-RE is available at Aetrix Electronics and suitable for automotive electric power steering, industrial servo motor control, and electric traction motor applications requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MLX90380LGO-BAA-000-RE 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 driver ICs 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 actuation systems demanding ASIL-D readiness and extended temperature operation.
FAQ
What is the magnetic axis configuration of MLX90380LGO-BAA-000-RE?
The MLX90380LGO-BAA-000-RE is factory-programmed for X/Y magnetic axis configuration, meaning OUT1 responds to the BX field component and OUT2 to the BY component. This setup is optimized for end-of-shaft two-pole magnet arrangements and provides equal sensitivity on both axes, as confirmed by option code BAA-000 in the official Melexis ordering guide.
Does MLX90380LGO-BAA-000-RE support both 3.3 V and 5 V supply voltages simultaneously?
No - MLX90380LGO-BAA-000-RE supports either 3.3 V or 5 V operation per die, but not both simultaneously. When using 3.3 V, VDD3V3_A and VDD3V3_B must be powered while VDD5V_A and VDD5V_B are left floating; conversely, 5 V operation requires powering only the VDD5V pins. This is explicitly specified in Section 9.2 and Figure 12–13 of the MLX90380 datasheet Revision 11.
What is the total angular error specification for MLX90380LGO-BAA-000-RE?
The MLX90380LGO-BAA-000-RE achieves ±1° total angular error when dynamic compensation (offset, gain, and phase correction) is applied in the host ECU prior to arctan(OUT2/OUT1) computation. Without correction, error is ±15° over -40°C to 150°C, per Table 8 of the datasheet. The ±1° value assumes proper magnet alignment and system-level calibration.
How is redundancy implemented in MLX90380LGO-BAA-000-RE?
Redundancy in MLX90380LGO-BAA-000-RE is implemented via physically separate dies in one TSSOP-16 package, each with independent power supplies (VDD3V3_A/VDD5V_A and VDD3V3_B/VDD5V_B), grounds (VSS_A/VSS_B), test pins (TEST_A/TEST_B), and analog outputs (OUT1_A/OUT2_A and OUT1_B/OUT2_B). This architecture enables cross-die comparison for fault detection per ISO 26262 requirements.
Can MLX90380LGO-BAA-000-RE be reprogrammed in-system?
No - MLX90380LGO-BAA-000-RE is factory-programmed with fixed configuration: X/Y magnetic axis, SmCo magnet calibration (BAA), 40 mT full-scale range (000), and low bandwidth (0xx). While the MLX90380 family supports programming via the connector during manufacturing, the BAA-000 variant is delivered pre-configured and does not support field reprogramming of axis, sensitivity, or bandwidth settings.
MLX90380LGO-BAA-000-RE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width)
- Series:
- Triaxis®
- Packaging:
- Tape & Reel (TR)
- 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:
- 1.135V ~ 3.6V
- Mounting Type:
- Surface Mount
- Termination Style:
- Gull Wing
- Operating Temperature:
- -40°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 16-TSSOP
MLX90380LGO-BAA-000-RE FAQ
1.How can I place an order for MLX90380LGO-BAA-000-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90380LGO-BAA-000-RE 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-000-RE reliable?
The price and inventory of MLX90380LGO-BAA-000-RE 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-000-RE is usually 5 days.
3.What payment methods are accepted for MLX90380LGO-BAA-000-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90380LGO-BAA-000-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90380LGO-BAA-000-RE?
MLX90380LGO-BAA-000-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90380LGO-BAA-000-RE 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-000-RE?
For technical support, including MLX90380LGO-BAA-000-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90380LGO-BAA-000-RE requirements.
6.How does Aetrix verify that MLX90380LGO-BAA-000-RE is sourced from the original manufacturer or authorized distributors?
All MLX90380LGO-BAA-000-RE 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-000-RE meets industry standards.
7.What is the process for return or replacement of MLX90380LGO-BAA-000-RE?
All MLX90380LGO-BAA-000-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90380LGO-BAA-000-RE, 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-000-RE part is unused and in its original packaging.
Return procedure for MLX90380LGO-BAA-000-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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