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Melexis Technologies NV MLX90380LGO-BAB-045-SP
- Part No.:
- MLX90380LGO-BAB-045-SP
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MLX90380LGO-BAB-045-SP.pdf
- Description:
- SENSOR RESOLVER ANLG 2CH 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,716
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Product details
Overview
MLX90380LGO-BAB-045-SP from Melexis is a monolithic Triaxis® resolver IC delivering true 360° contactless angular position sensing via ratiometric sine/cosine analog outputs, with 4 µs output refresh rate, -40°C to 150°C operating temperature, and factory-programmed NdFeB magnet sensitivity for 60 mT full-scale magnetic range in TSSOP-16 dual-die redundant configuration-used in high-reliability motor control systems.
For engineers reviewing the MLX90380LGO-BAB-045-SP datasheet, pinout, applications, or equivalent options, this page delivers verified technical context, package-specific pin definitions, magnetic axis configuration (X/Z), bandwidth setting (high BW), and real-world design implications for automotive and industrial BLDC/PMSM rotor position feedback.
Technical Context
The MLX90380LGO-BAB-045-SP implements Triaxis® Hall technology to simultaneously sense orthogonal (X/Z) magnetic field components using two independent die in TSSOP-16, enabling true 360° absolute angle computation via arctan(OUT2/OUT1). Its dual-die architecture supports functional safety requirements through redundancy.
Factory-programmed for NdFeB magnets (BAB), 60 mT full-scale range (xx5), X/Z magnetic axis (x1x), and high-bandwidth operation (x4x), it delivers 1.6 samples/degree at 25,000 rpm with ≤12 µs tracking delay and ±1° total angular error after dynamic compensation-optimized for field-oriented control loops requiring sub-degree accuracy under thermal stress.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Refresh Rate | 4 µs - enables real-time rotor position capture at up to 25,000 rpm with 1.6 samples per mechanical degree |
| Full-Scale Magnetic Range | 60 mT - matched to NdFeB magnet strength; ensures optimal ADC utilization without saturation in high-field motor environments |
| Magnetic Axis Configuration | X/Z - supports off-axis through-shaft mounting where Z-axis flux dominates; enables compact end-of-shaft or multi-pole configurations |
| Operating Voltage | 3.135–3.6 V or 4.5–5.5 V - dual-supply compatibility allows direct interfacing with 3.3 V or 5 V MCUs without level-shifting |
| Temperature Range | -40°C to 150°C - qualified for under-hood automotive and industrial motor drive environments without derating |
| Total Angular Error | ±1° with dynamic compensation - achievable using on-ECU offset/gain correction prior to arctan calculation; excludes mechanical misalignment effects |
| Bandwidth Setting | High BW (x4x) - provides 125 kHz Nyquist frequency and 12 µs tracking delay for fast transient response in servo applications |
Pinout & Package
TSSOP-16 package with dual-die fully redundant architecture; 16-pin surface-mount footprint measuring 5.0 mm × 4.4 mm × 1.2 mm (JEDEC MO-153); RoHS-compliant, lead-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 9 | VSS_A / VSS_B | Independent ground returns for Die A and Die B - mandatory separation prevents cross-die noise coupling in safety-critical systems |
| 4, 11 | TEST_A / TEST_B | Dedicated test pins per die - used during programming and calibration; must be tied to GND for EMC compliance |
| 5, 13 | OUT2_B / OUT2_A | SIN analog outputs (Die B and Die A) - ratiometric to respective VDD supply; require 10 kΩ minimum load for valid EEPROM error detection |
| 6, 14 | VDD5V_B / VDD5V_A | 5 V supply inputs per die - when active, VDD3V3 pins must float; enables higher signal-to-noise ratio in noisy power domains |
| 7, 15 | VDD3V3_B / VDD3V3_A | 3.3 V supply inputs per die - used with 3.3 V MCUs; floating during 5 V operation per datasheet requirement |
| 8, 16 | OUT1_B / OUT1_A | COS analog outputs (Die B and Die A) - paired with OUT2 to form orthogonal sine/cosine pair; phase shift ≤1.8° at 25,000 rpm |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Hall Sensing | Simultaneous orthogonal (X/Z) field measurement eliminates need for external flux concentrators or multi-sensor assemblies |
| Dual-Die Redundancy | Fully independent signal chains (Die A + Die B) enable ASIL-D capable diagnostics and fault-tolerant angle reporting |
| Ratiometric Outputs | OUT1/OUT2 scale linearly with VDD - removes supply voltage drift from angle calculation, simplifying MCU ADC reference design |
| Programmable Bandwidth | Three selectable filter settings (low/medium/high) allow trade-off between noise rejection and latency per application dynamics |
| End-of-Shaft / Through-Shaft Support | X/Z axis configuration accommodates both on-axis (end-of-shaft) and off-axis (through-shaft) magnet placements without hardware change |
Applications
| Electric Power Steering (EPS) | Automotive Transmission Position Sensing |
|---|---|
Use Scenario: Real-time steering angle feedback in 12 V automotive EPS systems with thermal cycling from -40°C to 150°C under hood. IC Role / Device Role / Timing Role: Primary resolver providing 360° absolute rotor position to the EPS ECU for torque overlay and assist control. Use Value: Dual-die redundancy meets ISO 26262 ASIL-C requirements; X/Z axis config enables compact through-shaft integration with NdFeB magnets. |
Use Scenario: Gear selector position detection in automatic transmissions exposed to oil immersion and vibration. IC Role / Device Role / Timing Role: Contactless angular sensor replacing potentiometers; outputs fed to transmission control module for gear state validation. Use Value: 150°C rating survives oil-cooled gearbox environments; ratiometric outputs eliminate supply regulation complexity in distributed power domains. |
| Industrial Servo Motor Feedback | PMSM Compressor Control |
Use Scenario: High-speed closed-loop position control of 20,000 rpm industrial servos in factory automation. IC Role / Device Role / Timing Role: Resolver replacement delivering sine/cosine signals to FPGA-based motion controller with <12 µs latency. Use Value: 4 µs update rate and high-BW mode support 1.6 samples/degree at max speed; SOA validated to 25,000 rpm mechanical stress. |
Use Scenario: Rotor position sensing in HVAC inverter-driven PMSM compressors operating continuously at elevated ambient temperatures. IC Role / Device Role / Timing Role: Absolute angle source for field-oriented control (FOC) algorithm executing on dual-core ARM Cortex-M7 MCU. Use Value: ±1° post-compensation error enables >98% motor efficiency; 60 mT range matches NdFeB magnet geometry in compact stator designs. |
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-025-RE | Same TSSOP-16 dual-die, X/Z axis, NdFeB magnet, but 20 mT full-scale range and medium bandwidth | Better suited for low-field, low-speed applications where noise immunity outweighs latency needs | Select when mechanical air gap exceeds 3 mm or magnet strength is reduced; avoids output saturation in weak-field conditions |
| MLX90380LDC-BAB-045-RE | SOIC-8 single-die variant with identical BAB-045 programming (NdFeB, 60 mT, X/Z, high BW), same electrical specs | Lacks functional redundancy; not suitable for ASIL-B/C systems requiring fault tolerance | Choose for cost-sensitive, non-safety-critical BLDC fans or pumps where PCB space permits SOIC-8 and redundancy is unnecessary |
Compared with MLX90380LGO-BAB-045-SP, the -025-RE trades bandwidth for noise margin in low-field setups, while the -045-RE offers identical sensing performance in a smaller, non-redundant package-making the SP variant uniquely suited for high-integrity automotive and industrial motion control where dual-die validation is mandated.
Availability
MLX90380LGO-BAB-045-SP is available at Aetrix Electronics and suitable for electric power steering, industrial servo motor feedback, and PMSM compressor control requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MLX90380LGO-BAB-045-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 solutions for automotive and industrial markets, with over 30 years of magnetic sensing expertise.
The MLX90380 product line delivers contactless 360° absolute angular position sensing using Triaxis® Hall technology, designed specifically for high-reliability motor control, EPS, and transmission systems demanding ASIL-compliant performance.
FAQ
What is the magnetic axis configuration of the MLX90380LGO-BAB-045-SP?
The MLX90380LGO-BAB-045-SP is factory-programmed for X/Z magnetic axis configuration (per option code BAB-045, where 'x1x' denotes X/Z). This enables use with off-axis through-shaft magnet arrangements where the Z-axis flux dominates, supporting both two-pole and multi-pole magnet geometries without hardware modification.
Does the MLX90380LGO-BAB-045-SP support both 3.3 V and 5 V operation?
Yes, the MLX90380LGO-BAB-045-SP supports dual-supply operation: 3.135–3.6 V on VDD3V3 pins and 4.5–5.5 V on VDD5V pins. For 5 V operation, the VDD3V3 pins must remain floating per datasheet Section 9.2 and Figure 13; mixing supplies invalidates specifications.
What is the significance of the 'BAB' and '045' in MLX90380LGO-BAB-045-SP?
'BAB' indicates NdFeB magnet optimization and '045' decodes as x1x (X/Z axis), x4x (high bandwidth), and xx5 (60 mT full-scale magnetic range). This combination targets high-speed, high-accuracy motor control with robust thermal stability and minimal latency in demanding automotive environments.
How does the dual-die redundancy in the MLX90380LGO-BAB-045-SP improve system reliability?
The MLX90380LGO-BAB-045-SP integrates two fully independent die (Die A and Die B) in one TSSOP-16 package, each with separate power, ground, and analog outputs. This enables cross-checking of angle results, fault detection, and fail-operational behavior required for ISO 26262 ASIL-D systems-unachievable with single-die alternatives like the SOIC-8 variant.
Can the MLX90380LGO-BAB-045-SP be used with ferrite or SmCo magnets?
No-the 'BAB' option code specifically configures the MLX90380LGO-BAB-045-SP for NdFeB magnets. Using ferrite (BAC) or SmCo (BAA) magnets would cause significant sensitivity mismatch and angular error. Melexis specifies distinct option codes per magnet type to ensure correct temperature coefficient compensation and full-scale alignment.
MLX90380LGO-BAB-045-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-045-SP FAQ
1.How can I place an order for MLX90380LGO-BAB-045-SP through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90380LGO-BAB-045-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-045-SP reliable?
The price and inventory of MLX90380LGO-BAB-045-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-045-SP is usually 5 days.
3.What payment methods are accepted for MLX90380LGO-BAB-045-SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90380LGO-BAB-045-SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90380LGO-BAB-045-SP?
MLX90380LGO-BAB-045-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90380LGO-BAB-045-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-045-SP?
For technical support, including MLX90380LGO-BAB-045-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90380LGO-BAB-045-SP requirements.
6.How does Aetrix verify that MLX90380LGO-BAB-045-SP is sourced from the original manufacturer or authorized distributors?
All MLX90380LGO-BAB-045-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-045-SP meets industry standards.
7.What is the process for return or replacement of MLX90380LGO-BAB-045-SP?
All MLX90380LGO-BAB-045-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90380LGO-BAB-045-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-045-SP part is unused and in its original packaging.
Return procedure for MLX90380LGO-BAB-045-SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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