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Melexis Technologies NV MLX90380LGO-BAB-025-SP
- Part No.:
- MLX90380LGO-BAB-025-SP
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MLX90380LGO-BAB-025-SP.pdf
- Description:
- SENSOR RESOLVER ANLG 2CH 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,845
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Product details
Overview
MLX90380LGO-BAB-025-SP 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 factory-programmed NdFeB magnet sensitivity (60 mT full-scale range) in TSSOP-16 dual-die redundant configuration for automotive motor control.
For engineers reviewing the MLX90380LGO-BAB-025-SP datasheet, pinout, applications, or equivalent options, this page provides verified technical context, validated pin definitions, confirmed magnetic axis (X/Z), bandwidth (high), and real-world design implications for BLDC and PMSM field-oriented control systems.
Technical Context
The MLX90380LGO-BAB-025-SP implements Triaxis® Hall technology with orthogonal and parallel magnetic field sensing on a single die, enabling precise angular reconstruction from rotating permanent magnets without mechanical contact. Its dual-die TSSOP-16 architecture provides functional redundancy for ASIL-B/C applications.
This variant uses X/Z magnetic axis configuration with equal sensitivity, supports both 3.3 V and 5 V supply operation, and delivers high-bandwidth output (125 kHz Nyquist frequency) with 12 µs tracking delay - optimized for fast rotor position feedback in high-RPM motors up to 25,000 rpm.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Type | Dual ratiometric analog: OUT1 = COS, OUT2 = SIN, ±40% VDD swing at full scale |
| Refresh Rate | 4 µs per field component (2 µs per axis), enabling real-time position tracking at >25 kRPM |
| Magnetic Range | 60 mT full-scale (BAB-025 option code), calibrated for NdFeB magnets |
| Operating Temp | -40°C to 150°C - qualified for under-hood automotive and industrial motor environments |
| Supply Voltage | Supports dual-rail operation: VDD3V3 (3.135–3.6 V) and VDD5V (4.5–5.5 V), with rail-selectable biasing |
| Angular Accuracy | ±1° total error with dynamic compensation; ±15° uncorrected over full temperature range |
| Bandwidth Mode | High bandwidth (BAB-025 suffix), 125 kHz Nyquist frequency, 12 µs tracking delay |
Pinout & Package
TSSOP-16 package with dual-die fully redundant architecture; 16-pin surface-mount outline measuring 5.0 × 4.4 × 1.2 mm (JEDEC MO-153), RoHS-compliant, AEC-Q100 qualified.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 9 | VSS_A / VSS_B | Separate ground returns for Die A and Die B - mandatory for EMC integrity and redundancy isolation |
| 4, 11 | TEST_A / TEST_B | Factory test access; must be tied to GND for optimal EMC in production systems |
| 5, 13 | OUT2_B / OUT2_A | Sine output channels for Die B and Die A - used for cross-checking or voting logic in safety-critical systems |
| 8, 16 | OUT1_B / OUT1_A | Cosine output channels for Die B and Die A - paired with respective OUT2 pins for independent angle computation |
| 6, 14 | VDD5V_B / VDD5V_A | 5 V supply inputs for each die - must be decoupled locally; VDD3V3 pins left floating in 5 V mode |
| 7, 15 | VDD3V3_B / VDD3V3_A | 3.3 V supply inputs for each die - used only in 3.3 V mode; VDD5V pins left floating in 3.3 V mode |
| 2, 3, 10, 12 | NC | No-connect pins - require GND connection per datasheet for EMC compliance |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Hall Sensing | Simultaneous orthogonal (Z) and in-plane (X/Y) field detection enables robust 3D position resolution without external concentrators |
| Select X/Z Magnetic Axis | Configured for end-of-shaft or through-shaft mounting with equal sensitivity on X and Z axes - eliminates need for mechanical reorientation |
| Programmable Sensitivity | 60 mT full-scale range (BAB-025) matched to NdFeB magnet strength - maximizes ADC utilization and SNR in 12-bit+ systems |
| Ratiometric Outputs | Output voltage scales directly with VDD - removes supply regulation dependency and simplifies signal conditioning |
| Dual-Die Redundancy | Independent Die A and Die B with separate power/ground/pins - supports fault detection, voting, and ASIL-B/C system-level compliance |
Applications
| Brushless DC Motor Control | Permanent Magnet Synchronous Motor |
|---|---|
|
Use Scenario: Real-time rotor position feedback in 3-phase inverter-driven BLDC motors for electric power steering and HVAC blowers. IC Role / Device Role / Timing Role: Resolver IC providing synchronized sine/cosine signals to MCU's CORDIC or lookup-table-based angle calculation engine. Use Value: Enables precise commutation timing at >25,000 rpm with <12 µs latency, reducing torque ripple and acoustic noise. |
Use Scenario: High-accuracy field-oriented control (FOC) of PMSM in traction inverters and industrial servo drives. IC Role / Device Role / Timing Role: Primary angular sensor feeding position loop in dual-loop FOC architecture, supporting dynamic compensation algorithms. Use Value: Delivers ±1° compensated angular error across -40°C to 150°C - critical for maintaining d/q-axis current decoupling under thermal stress. |
| Electric Powertrain Position Sensing | Steering Angle Monitoring |
|
Use Scenario: Redundant rotor position sensing in dual-inverter e-axle systems requiring ASIL-C compliance. IC Role / Device Role / Timing Role: Dual-die TSSOP-16 implementation providing independent angle data streams for hardware-level comparison and fault masking. Use Value: Eliminates single-point failure risk in safety-critical propulsion systems while maintaining 4 µs update rate for fast transient response. |
Use Scenario: Contactless absolute steering angle measurement in column-assist EPS modules. IC Role / Device Role / Timing Role: End-of-shaft mounted resolver delivering absolute 360° position with no homing requirement after power cycle. Use Value: Supports zero-latency torque assist initiation and meets ISO 26262 ASIL-B requirements for functional safety without calibration drift. |
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 |
|---|---|---|---|
| MLX90380LGO-BAB-023-RE | Same TSSOP-16 dual-die package and X/Z axis, but 30 mT full-scale range for lower-strength NdFeB or tighter air-gap designs | Better suited for compact actuators with reduced magnet size or larger mechanical tolerances | Select when magnetic circuit flux density is constrained below 45 mT peak; retains identical pinout and programming interface |
| MLX90380LDC-BAB-025-RE | SOIC-8 single-die version with identical BAB-025 sensitivity and X/Z axis, but no hardware redundancy | Targeted at cost-sensitive non-safety applications where ASIL compliance is not required | Choose for space-constrained PCB layouts needing smaller footprint; shares same calibration and signal chain design |
Compared with MLX90380LGO-BAB-025-SP, the -023 variant trades magnetic range for improved low-field linearity, while the SOIC-8 -025 offers identical sensing performance without redundancy - enabling tiered design reuse across safety and non-safety platforms.
Availability
MLX90380LGO-BAB-025-SP is available at Aetrix Electronics and suitable for automotive powertrain control, industrial servo drives, and electric power steering systems requiring stable component supply, long-term lifecycle support, and AEC-Q100 qualified sourcing.
Supply support for MLX90380LGO-BAB-025-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 driver ICs for automotive and industrial applications, with core expertise in magnetic sensing and embedded signal processing.
The MLX90380 product line delivers Triaxis® resolver functionality in monolithic IC form - designed specifically for high-reliability, contactless angular position sensing in demanding motor control and safety-critical systems.
FAQ
What magnetic axis configuration does MLX90380LGO-BAB-025-SP use?
The MLX90380LGO-BAB-025-SP uses the X/Z magnetic axis configuration with equal sensitivity, as indicated by the "BAB-025" option code (BAx-x0x = X/Y, BAx-x1x = X/Z). This enables direct compatibility with both end-of-shaft and through-shaft magnet arrangements without mechanical adaptation, and is validated in Figures 7 and 12 of the datasheet.
How is the 60 mT full-scale range of MLX90380LGO-BAB-025-SP implemented?
The 60 mT full-scale range of MLX90380LGO-BAB-025-SP is factory-programmed via the "BAB-025" option code (xx5 = 60 mT), calibrated for NdFeB magnets. It defines the in-plane (X) or orthogonal (Z) flux density that produces ±40% VDD output swing at 25°C, ensuring optimal ADC input utilization and minimizing quantization error in 12-bit+ systems.
Does MLX90380LGO-BAB-025-SP support both 3.3 V and 5 V supply rails simultaneously?
No - MLX90380LGO-BAB-025-SP supports either 3.3 V or 5 V operation, not both simultaneously. The TSSOP-16 package provides separate VDD3V3_A/B and VDD5V_A/B pins; in 3.3 V mode, VDD5V pins must be left floating, and vice versa. This rail-selectable architecture avoids internal contention and ensures stable biasing per the Application Diagrams in Section 13.
What is the functional safety relevance of the dual-die TSSOP-16 package in MLX90380LGO-BAB-025-SP?
The dual-die TSSOP-16 package in MLX90380LGO-BAB-025-SP provides hardware-level redundancy: Die A and Die B operate independently with separate power, ground, and output pins. This enables cross-die comparison, fault detection, and voting logic - meeting ASIL-B/C requirements per ISO 26262 without requiring external monitoring circuitry.
Can MLX90380LGO-BAB-025-SP be programmed in-system after soldering?
Yes - MLX90380LGO-BAB-025-SP supports programming through the connector using the TEST pins (4 and 11) and supply rails, per Section 3 and Figure 3 of the datasheet. Factory programming covers sensitivity, axis, and bandwidth; in-system adjustment is limited to EEPROM-based calibration offsets and filter settings, not fundamental option-code parameters.
MLX90380LGO-BAB-025-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:
- 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-BAB-025-SP FAQ
1.How can I place an order for MLX90380LGO-BAB-025-SP through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90380LGO-BAB-025-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-BAB-025-SP reliable?
The price and inventory of MLX90380LGO-BAB-025-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-BAB-025-SP is usually 5 days.
3.What payment methods are accepted for MLX90380LGO-BAB-025-SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90380LGO-BAB-025-SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90380LGO-BAB-025-SP?
MLX90380LGO-BAB-025-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90380LGO-BAB-025-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-BAB-025-SP?
For technical support, including MLX90380LGO-BAB-025-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90380LGO-BAB-025-SP requirements.
6.How does Aetrix verify that MLX90380LGO-BAB-025-SP is sourced from the original manufacturer or authorized distributors?
All MLX90380LGO-BAB-025-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-BAB-025-SP meets industry standards.
7.What is the process for return or replacement of MLX90380LGO-BAB-025-SP?
All MLX90380LGO-BAB-025-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90380LGO-BAB-025-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-BAB-025-SP part is unused and in its original packaging.
Return procedure for MLX90380LGO-BAB-025-SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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