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Melexis Technologies NV MLX90380LGO-BAC-000-RE
- Part No.:
- MLX90380LGO-BAC-000-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MLX90380LGO-BAC-000-RE.pdf
- Description:
- SENSOR RESOLVER ANLG 2CH 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,043
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Product details
Overview
MLX90380LGO-BAC-000-RE from Melexis is a monolithic Triaxis® resolver IC delivering true 360° contactless angular position sensing via dual ratiometric sine/cosine analog outputs, with 4 µs output refresh rate, -40°C to 150°C operating temperature, and programmable X/Y magnetic axis for end-of-shaft configurations using ferrite magnets.
For engineers reviewing the MLX90380LGO-BAC-000-RE datasheet, pinout, applications, or equivalent options, this TSSOP-16 dual-die redundant resolver supports high-reliability motor control in automotive EPS, industrial servo drives, and aerospace actuation where functional safety and magnetic field axis flexibility are critical.
Technical Context
The MLX90380LGO-BAC-000-RE implements Triaxis® Hall technology with orthogonal and parallel flux density sensitivity on a single die, enabling precise angular computation from rotating permanent magnets without physical contact. Its dual-die TSSOP-16 architecture provides full redundancy for ASIL-D–capable systems.
It delivers synchronized analog outputs (OUT1 = COS, OUT2 = SIN) with ratiometric scaling to VDD, programmable sensitivity (40 mT full-scale range per BAC-000 option), and selectable bandwidth modes-high-bandwidth mode achieves 1.6 samples/degree at 25,000 rpm while maintaining ≤1° total angular error with dynamic compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Refresh Rate | 4 µs - Enables real-time rotor position tracking up to 25,000 rpm with minimal latency in field-oriented control loops. |
| Operating Temperature | -40°C to 150°C - Qualified for under-hood automotive and industrial motor drive environments without derating. |
| Supply Voltage | 3.3 V or 5 V - Dual-rail support allows direct interfacing with 3.3 V MCUs or legacy 5 V systems; rails must be used independently. |
| Magnetic Range | 40 mT (BAC-000) - Optimized for ferrite magnets in cost-sensitive, high-volume end-of-shaft applications. |
| Angular Accuracy | ±1° with dynamic compensation - Achieved via off-chip arctan(OUT2/OUT1) with offset/gain correction, excluding mechanical misalignment effects. |
| Package | TSSOP-16 - Dual-die fully redundant layout meets ISO 26262 requirements for fault-tolerant position sensing. |
| Output Type | Ratiometric sine/cosine analog - Output voltage scales linearly with VDD (e.g., 50% VDD at zero field), simplifying ADC reference design. |
Pinout & Package
TSSOP-16 package with exposed thermal pad; dual-die architecture provides independent A and B channel redundancy for functional safety compliance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 9 | VSS_A / VSS_B | Dedicated ground pins per die - Required for noise isolation between redundant signal paths. |
| 4, 11 | TEST_A / TEST_B | Factory test access - Must be tied to GND for optimal EMC; not user-programmable in operation. |
| 5, 13 | OUT2_B / OUT2_A | SIN analog outputs - Provide quadrature phase signals for angle calculation; ratiometric to respective VDD rail. |
| 8, 16 | OUT1_B / OUT1_A | COS analog outputs - Paired with OUT2 to form complete sine/cosine pair per die; matched timing within 10 ns. |
| 6, 14 | VDD5V_B / VDD5V_A | 5 V supply inputs - Used exclusively when operating at 5 V; VDD3V3 pins must float in this mode. |
| 7, 15 | VDD3V3_B / VDD3V3_A | 3.3 V supply inputs - Used exclusively when operating at 3.3 V; VDD5V pins must float in this mode. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Hall Sensing | Simultaneous orthogonal (Z) and in-plane (X/Y) flux detection enables robust position measurement across magnet placement variations. |
| Programmable Magnetic Axis | X/Y configuration (BAC-000) supports end-of-shaft mounting with two-pole magnets and equal sensitivity on both axes. |
| Dual-Die Redundancy | Fully independent A/B signal chains in one TSSOP-16 package enable cross-checking for ASIL-D compliance without external duplication. |
| On-Chip Bandwidth Selection | High-bandwidth mode (4 µs update) delivers 125 kHz Nyquist frequency - sufficient for >25,000 rpm BLDC commutation. |
| Ferrite Magnet Optimization | BAC option code configures factory-set sensitivity and temperature coefficient for stable performance with low-cost ferrite magnets. |
Applications
| Electric Power Steering (EPS) | Industrial Servo Motor Control |
|---|---|
Use Scenario: Real-time steering angle feedback in 12 V automotive chassis with space-constrained column-mounted sensor housing. IC Role / Device Role / Timing Role: Primary resolver providing absolute 360° shaft angle to EPS ECU for torque overlay and assist mapping. Use Value: TSSOP-16 dual-die redundancy meets ASIL-D requirements; X/Y axis alignment tolerates minor magnet eccentricity in compact end-of-shaft assembly. |
Use Scenario: High-precision position feedback in closed-loop PMSM drives for CNC machine tools operating at ambient 70°C. IC Role / Device Role / Timing Role: Resolver interface delivering synchronized sine/cosine signals to FPGA-based motor controller for field-oriented control. Use Value: 4 µs output refresh ensures <1 µs jitter in angle calculation; 150°C rating eliminates need for heatsinking in enclosed enclosures. |
| Robot Joint Actuation | Aerospace Flight Control Surface |
Use Scenario: Compact rotary position sensing in multi-axis collaborative robot joints requiring functional safety and vibration resilience. IC Role / Device Role / Timing Role: Absolute angle sensor feeding joint controller with fail-operational capability via dual-die comparison logic. Use Value: Ferrite magnet compatibility reduces BOM cost; ratiometric outputs eliminate separate precision voltage reference for ADC interface. |
Use Scenario: Critical position feedback for primary flight control surfaces (e.g., elevator, rudder) in fly-by-wire systems. IC Role / Device Role / Timing Role: Redundant resolver providing independent angle data streams to dual-channel flight control computers. Use Value: TSSOP-16 dual-die architecture satisfies DO-254/DO-178C hardware/software independence requirements; -40°C to 150°C rating covers stratospheric thermal cycling. |
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-BAC-000-RE | SOIC-8 single-die variant with identical BAC-000 ferrite magnet programming and X/Y axis configuration. | Lacks dual-die redundancy; suitable for ASIL-B or non-safety-critical industrial applications. | Select when cost and PCB area are prioritized over functional safety certification. |
| MLX90393ELH-ABA-000-SP | Triaxis® 3D Hall sensor with digital I²C output, ±10 mT range, and integrated angle computation - no external arctan required. | Provides processed digital angle output instead of raw analog sine/cosine; lower resolution (16-bit vs. continuous analog). | Select when MCU resources are constrained and system-level angle computation is undesirable. |
Compared with MLX90380LDC-BAC-000-RE, the MLX90380LGO-BAC-000-RE adds hardware-level redundancy for fault detection, while MLX90393ELH-ABA-000-SP trades analog fidelity for digital integration and reduced signal chain complexity.
Availability
MLX90380LGO-BAC-000-RE is available at Aetrix Electronics and suitable for electric power steering, industrial servo drives, and aerospace actuation requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for MLX90380LGO-BAC-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 sensor solutions for automotive and industrial markets, with expertise in magnetic sensing, infrared thermometry, and automotive ASICs.
The MLX90380 product line delivers contactless absolute angular position sensing using Triaxis® Hall technology, designed specifically for high-reliability motor control and safety-critical motion feedback applications.
FAQ
What is the magnetic axis configuration of MLX90380LGO-BAC-000-RE?
The MLX90380LGO-BAC-000-RE is factory-programmed for X/Y magnetic axis configuration, meaning OUT1 responds to the X-component and OUT2 to the Y-component of the applied magnetic field. This supports end-of-shaft mounting with two-pole magnets and equal sensitivity on both axes, as defined by the BAC-000 option code in the ordering table.
Does MLX90380LGO-BAC-000-RE support both 3.3 V and 5 V supply simultaneously?
No, MLX90380LGO-BAC-000-RE does not support simultaneous 3.3 V and 5 V operation. It operates exclusively on either VDD3V3 or VDD5V rails - the unused supply pin must be left floating. The BAC-000 variant is configured for 40 mT full-scale range and supports both voltages, but only one may be powered at a time per die.
How is redundancy implemented in MLX90380LGO-BAC-000-RE?
MLX90380LGO-BAC-000-RE integrates two fully independent sensor dies (Die A and Die B) in a single TSSOP-16 package, each with dedicated power, ground, and analog output pins. This enables hardware-level cross-checking of sine/cosine outputs for fault detection, satisfying ASIL-D requirements without external duplication of components or PCB area.
What magnet type is MLX90380LGO-BAC-000-RE optimized for?
MLX90380LGO-BAC-000-RE is optimized for ferrite magnets, as indicated by the "BAC" prefix in its option code. Factory programming sets sensitivity, temperature coefficient, and filtering parameters specifically for stable performance with ferrite materials across -40°C to 150°C, enabling cost-effective deployment in high-volume automotive and industrial systems.
Can MLX90380LGO-BAC-000-RE be reprogrammed in-system?
No, MLX90380LGO-BAC-000-RE is factory-programmed during final test and cannot be reprogrammed in-system. Its magnetic axis (X/Y), sensitivity range (40 mT), magnet type (ferrite), and bandwidth are fixed at manufacture. Programming is performed via dedicated pins during production, not through the application connector in end-user systems.
MLX90380LGO-BAC-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-BAC-000-RE FAQ
1.How can I place an order for MLX90380LGO-BAC-000-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90380LGO-BAC-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-BAC-000-RE reliable?
The price and inventory of MLX90380LGO-BAC-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-BAC-000-RE is usually 5 days.
3.What payment methods are accepted for MLX90380LGO-BAC-000-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90380LGO-BAC-000-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90380LGO-BAC-000-RE?
MLX90380LGO-BAC-000-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90380LGO-BAC-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-BAC-000-RE?
For technical support, including MLX90380LGO-BAC-000-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90380LGO-BAC-000-RE requirements.
6.How does Aetrix verify that MLX90380LGO-BAC-000-RE is sourced from the original manufacturer or authorized distributors?
All MLX90380LGO-BAC-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-BAC-000-RE meets industry standards.
7.What is the process for return or replacement of MLX90380LGO-BAC-000-RE?
All MLX90380LGO-BAC-000-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90380LGO-BAC-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-BAC-000-RE part is unused and in its original packaging.
Return procedure for MLX90380LGO-BAC-000-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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