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Melexis Technologies NV MLX90380LGO-BAB-100-SP
- Part No.:
- MLX90380LGO-BAB-100-SP
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MLX90380LGO-BAB-100-SP.pdf
- Description:
- SENSOR ROTARY 360DEG SMD
- Quantity:
- Payment:
- Shipping:
Inventory:1,242
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Product details
Overview
MLX90380LGO-BAB-100-SP from Melexis is a Triaxis® monolithic contactless rotary position sensor IC delivering true 360° sine/cosine analog outputs for resolver replacement in motor control systems. It operates from 3.3V or 5V supply, supports -40°C to 150°C ambient, features 4µs output refresh rate, and is factory-programmed for NdFeB magnet compatibility with X/Z magnetic axis and high-bandwidth (5V) operation.
For engineers reviewing the MLX90380LGO-BAB-100-SP datasheet, pinout, applications, or equivalent options, this device serves as a high-accuracy, automotive-grade angular position transducer requiring precise magnetic axis alignment, ratiometric ADC interfacing, and dynamic error compensation in field-oriented control loops.
Technical Context
The MLX90380LGO-BAB-100-SP implements Triaxis® Hall technology to simultaneously sense orthogonal (X/Z) magnetic field components using dual on-die Hall elements and integrated signal conditioning. Its functional diagram confirms independent COS (OUT1) and SIN (OUT2) analog outputs derived from flux density measurements along two defined axes, with internal chopping at 1 MHz enabling robust noise immunity.
This TSSOP-16 dual-die redundant variant delivers fully independent outputs per die (A and B), supporting safety-critical applications via cross-checking. The X/Z axis configuration enables through-shaft mounting with sensitivity mismatch correction, and high-bandwidth programming (BAx-5xx code) sets tracking delay to 17.5 µs and enables 25,000 rpm operation with ≤1° total angular error after dynamic compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Type | Dual ratiometric analog: OUT1 = COS, OUT2 = SIN, each 5–95% VDD swing |
| Refresh Rate | 4 µs update period - enables real-time angle computation at >200 kHz sampling rates |
| Supply Voltage | 5 V nominal (VDD5V_A/B), with POR threshold 2.4–3.9 V - supports direct MCU 5V rail connection |
| Operating Temp | -40°C to +150°C - qualified for under-hood automotive and industrial motor drive environments |
| Magnetic Range | 40 mT full-scale (BAB-100 option) - optimized for NdFeB magnets in end-of-shaft or through-shaft configurations |
| Angular Accuracy | ≤ ±1° total error with dynamic compensation - requires external arctan processing and gain/offset correction |
| Bandwidth Mode | High bandwidth (BAx-5xx) - sets filter time constant for 17.5 µs tracking delay at 25,000 rpm |
Pinout & Package
TSSOP-16 package with dual-die redundancy: Die A (pins 13–16, 14–15) and Die B (pins 5–8, 6–7) provide fully independent ground, supply, test, and analog output terminals. Unused pins (2,3,10,12) must be connected to VSS for EMC compliance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 9 | VSS_A / VSS_B | Separate ground returns per die - mandatory for noise isolation and fault detection |
| 5, 13 | OUT2_B / OUT2_A | SIN analog outputs - ratiometric, 5–95% VDD, require 10 kΩ min load resistance |
| 8, 16 | OUT1_B / OUT1_A | COS analog outputs - paired with OUT2 for arctan(OUT2/OUT1) angle calculation |
| 6, 14 | VDD5V_B / VDD5V_A | 5V supply inputs - must be decoupled with 100 nF ceramic capacitor per die |
| 7, 15 | VDD3V3_B / VDD3V3_A | 3.3V supply inputs - left floating in 5V-mode operation per datasheet requirement |
| 4, 11 | TEST_A / TEST_B | Factory test pins - connect to VSS for optimal EMC; not user-accessible in normal operation |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Hall Sensing | Simultaneous orthogonal (X/Z) field measurement eliminates need for external flux concentrators or multi-sensor assemblies |
| Selectable Magnetic Axis | X/Z configuration (BAB-100) enables mechanical compatibility with through-shaft permanent magnet assemblies |
| Dual-Die Redundancy | Independent A/B die outputs in TSSOP-16 allow cross-comparison for ASIL-B/C functional safety compliance |
| Ratiometric Outputs | Output voltage scales directly with VDD - eliminates supply variation impact on angle accuracy when paired with ratiometric ADC |
| Programmable Bandwidth | High-bandwidth mode (BAx-5xx) optimizes response for BLDC/PMSM motors operating up to 25,000 rpm |
| NdFeB Magnet Optimization | BAB-100 option preconfigured for neodymium magnets - ensures optimal sensitivity and temperature coefficient matching |
Applications
| Brushless Motor Rotor Position | PMSM Field-Oriented Control |
|---|---|
Use Scenario: Real-time angular feedback for commutation timing in 3-phase BLDC motors used in electric power steering and HVAC blowers. IC Role / Device Role / Timing Role: Contactless resolver substitute providing synchronized COS/SIN analog outputs to MCU ADC for arctan-based angle calculation. Use Value: Enables <1° electrical angle error at 10,000 rpm, supporting smooth torque delivery and reduced acoustic noise in safety-critical motion systems. |
Use Scenario: High-precision rotor position input for vector control algorithms in permanent magnet synchronous motors driving industrial pumps and compressors. IC Role / Device Role / Timing Role: Primary angular transducer delivering 4 µs-update sine/cosine signals to closed-loop current regulators. Use Value: Supports 25,000 rpm operation with dynamic compensation, achieving ≤1° total angular error - critical for maintaining d-q axis decoupling under transient load. |
| Electric Powertrain Resolver Replacement | Redundant Safety-Critical Position Sensing |
Use Scenario: Direct drop-in replacement for legacy resolvers in traction inverters of battery electric vehicles, reducing system weight and EMI susceptibility. IC Role / Device Role / Timing Role: Monolithic Triaxis® sensor replacing bulky transformer-based resolvers while maintaining ASIL-C compatible signal integrity. Use Value: Eliminates excitation circuitry and analog demodulation stages - cuts BOM cost by >40% and PCB area by >60% versus electromechanical resolver solutions. |
Use Scenario: Dual-channel angular monitoring in steer-by-wire systems where failure of one channel must not compromise functional safety. IC Role / Device Role / Timing Role: TSSOP-16 dual-die architecture provides physically isolated A/B output paths with independent supply and ground pins. Use Value: Enables hardware-level comparison of angle outputs for fault detection - meets ISO 26262 ASIL-D diagnostic coverage requirements without software overhead. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar rotary position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90380LGO-BAA-100-RE | SmCo magnet optimization (BAA vs BAB), identical X/Z axis and high-bandwidth mode | Requires samarium-cobalt magnet assembly; higher cost but superior high-temp stability above 120°C | Select when operating >130°C ambient or using SmCo magnets; otherwise BAB-100 offers better cost/performance for NdFeB systems. |
| MLX90380LDC-BAB-100-RE | SOIC-8 single-die package (vs TSSOP-16 dual-die); same BAB-100 magnetic/axis/bandwidth configuration | Lacks hardware redundancy; suitable for non-safety-critical BLDC fans or pumps without ASIL requirements | Choose for cost-sensitive, space-constrained designs where functional safety certification is not required. |
Compared with MLX90380LGO-BAA-100-RE, the MLX90380LGO-BAB-100-SP delivers optimized sensitivity and temperature coefficient for NdFeB magnets, while compared with MLX90380LDC-BAB-100-RE it adds dual-die redundancy essential for ASIL-B/C automotive applications - making it the only option among the three qualified for safety-critical position feedback.
Availability
MLX90380LGO-BAB-100-SP is available at Aetrix Electronics and suitable for brushless motor control, PMSM field-oriented control, and electric powertrain resolver replacement requiring stable component supply across automotive production cycles and industrial OEM programs.
Supply support for MLX90380LGO-BAB-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 sensors and driver ICs for automotive and industrial applications, with core expertise in magnetic sensing, thermal imaging, and RF communication.
The MLX90380 product line delivers Triaxis® contactless angular position sensing for high-reliability motor control, designed specifically to replace legacy resolvers and incremental encoders in demanding automotive powertrain and industrial automation systems.
FAQ
What is the magnetic axis configuration of MLX90380LGO-BAB-100-SP?
The MLX90380LGO-BAB-100-SP is factory-programmed for X/Z magnetic axis configuration, meaning OUT1 measures the Z-axis magnetic component and OUT2 measures the X-axis component. This orientation supports through-shaft magnet arrangements and is confirmed by the 'BAB' option code's third digit '1' per Table 2 in the datasheet.
Does MLX90380LGO-BAB-100-SP support both 3.3V and 5V supply simultaneously?
No - MLX90380LGO-BAB-100-SP must operate exclusively from either 3.3V or 5V supply. For 5V operation (as specified by its BAx-5xx high-bandwidth code), the VDD3V3_A and VDD3V3_B pins must be left floating per datasheet Section 9.2 and Figure 13, while VDD5V_A and VDD5V_B are powered from a clean 5V rail.
How is redundancy implemented in MLX90380LGO-BAB-100-SP?
MLX90380LGO-BAB-100-SP uses a dual-die TSSOP-16 package with fully independent signal chains: Die A (pins 13–16, 14–15) and Die B (pins 5–8, 6–7) each have separate VSS, VDD5V, VDD3V3, TEST, OUT1, and OUT2 terminals. This physical separation enables hardware-level cross-checking for functional safety compliance.
What magnet type is MLX90380LGO-BAB-100-SP calibrated for?
MLX90380LGO-BAB-100-SP is calibrated for neodymium-iron-boron (NdFeB) magnets, as indicated by the 'BAB' prefix in its order code. This includes factory-programmed sensitivity, temperature coefficient (1100 ppm/°C), and offset drift characteristics optimized specifically for NdFeB magnetic material behavior across -40°C to 150°C.
Can MLX90380LGO-BAB-100-SP be used without external microcontroller compensation?
No - MLX90380LGO-BAB-100-SP requires external signal processing to achieve its specified ≤±1° angular accuracy. The device outputs raw COS/SIN voltages that must undergo offset, gain, and phase correction in the host MCU before arctan(OUT2/OUT1) computation; static or dynamic compensation algorithms are mandatory per Section 12.2.2 of the datasheet.
MLX90380LGO-BAB-100-SP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width)
- Series:
- Triaxis®
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- -
- For Measuring:
- Rotary Position
- Technology:
- Hall Effect
- Rotation Angle - Electrical, Mechanical:
- 0° ~ 180°
- Linear Range:
- -
- Output:
- Analog Voltage
- Output Signal:
- Cosine, Sine
- Actuator Type:
- External Magnet, Not Included
- Linearity:
- ±0.5%
- Resistance:
- 5 kOhms
- 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-BAB-100-SP FAQ
1.How can I place an order for MLX90380LGO-BAB-100-SP through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90380LGO-BAB-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-BAB-100-SP reliable?
The price and inventory of MLX90380LGO-BAB-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-BAB-100-SP is usually 5 days.
3.What payment methods are accepted for MLX90380LGO-BAB-100-SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90380LGO-BAB-100-SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90380LGO-BAB-100-SP?
MLX90380LGO-BAB-100-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90380LGO-BAB-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-BAB-100-SP?
For technical support, including MLX90380LGO-BAB-100-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90380LGO-BAB-100-SP requirements.
6.How does Aetrix verify that MLX90380LGO-BAB-100-SP is sourced from the original manufacturer or authorized distributors?
All MLX90380LGO-BAB-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-BAB-100-SP meets industry standards.
7.What is the process for return or replacement of MLX90380LGO-BAB-100-SP?
All MLX90380LGO-BAB-100-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90380LGO-BAB-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-BAB-100-SP part is unused and in its original packaging.
Return procedure for MLX90380LGO-BAB-100-SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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