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Melexis Technologies NV MLX90517GGO-AAA-100-SP
- Part No.:
- MLX90517GGO-AAA-100-SP
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- -
- Datasheet:
-
MLX90517GGO-AAA-100-SP.pdf
- Description:
- INDUCTIVE POSITION SENSOR.
- Quantity:
- Payment:
- Shipping:
Inventory:3,171
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Product details
Overview
MLX90517GGO-AAA-100-SP from Melexis is a high-speed inductive rotary position sensor IC designed for absolute angular measurement in harsh automotive environments. It delivers ±0.36° electrical accuracy, supports up to 660,000 e-rpm, and provides differential sine/cosine analog outputs with on-chip offset compensation, operating from −40°C to +160°C in TSSOP-16 package.
For engineers reviewing the MLX90517GGO-AAA-100-SP datasheet, pinout, applications, or equivalent options, this page details its role as an ASIL C–compliant inductive transducer interface for motor position sensing, traction systems, and electric power steering where magnetic immunity and high-temperature stability are critical.
Technical Context
The MLX90517GGO-AAA-100-SP integrates an LC oscillator (2.0–5.0 MHz) to excite external transmitting coils and processes signals from three receiving coils via analog front-end filtering, programmable gain amplification, and 12-bit ADC conversion. Its digital signal processing performs Clarke's transformation, DC offset compensation, and interpolation to generate precise I/Q data.
It features dual 12-bit DACs driving differential sine/cosine outputs with 13.3–14.2 µs system propagation delay, integrated functional safety diagnostics (ISO 26262 ASIL C SEooC), and robust protection including −24 V to +24 V overvoltage/reverse-polarity tolerance and ISO 11452-8 magnetic stray field immunity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Position Accuracy | ±0.36° electrical - guaranteed maximum error across full temperature range and speed, excluding ECU-based delay/offset correction |
| Max Electrical Speed | 660,000 e-rpm - enables direct sensing of high-pole-count PMSM/BLDC motors without gear reduction |
| Output Type | Differential sine/cosine analog - 12-bit resolution, 1.3 Vp typical amplitude, optimized for ECU arctangent angle calculation |
| Supply Range | 4.5 V to 5.5 V - regulated operation; supports transient tolerance up to −24 V/+24 V for automotive load-dump and reverse-battery conditions |
| Operating Temp | −40°C to +160°C - qualified for under-hood and traction motor applications with no derating |
| Functional Safety | ISO 26262 ASIL C SEooC - includes LCO monitoring, sensor coil integrity checks, supply supervision, and safe-state (High-Z) output behavior on fault |
| Package | TSSOP-16 - RoHS-compliant, surface-mount, thermally optimized (RthJA = 137 K/W) for high-power-density PCB layouts |
Pinout & Package
TSSOP-16 package with exposed thermal pad (not electrically connected); 0.65 mm pitch; JEDEC MS-013AC compliant; recommended reflow profile per J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN0, IN1, IN2 | Sensor Rx coil inputs | Three-phase analog inputs from receiving coils; internally processed via EMC filter, tri-amplifier, and PGA for asymmetry rejection |
| LCP / LCN | LC oscillator Tx coil connections | Differential drive terminals for external transmitting coil; frequency set by LTx and CLCO; monitored for fault detection |
| SINP / SINN, COSP / COSN | Differential analog outputs | 12-bit DAC-driven sine/cosine outputs; High-Z safe state on diagnostic fault; support pull-up/pull-down for FBH/FBL fault band signaling |
| VS, VSSA, VSSD, VSSLC | Power and ground domains | Separate analog (VSSA), digital (VSSD), and LC oscillator (VSSLC) grounds minimize coupling; VS supplies all domains via internal regulators |
| VCAP | Supply buffer capacitor node | External 0.47 µF capacitor stabilizes internal LDO; sets VCAP = 4.9–5.29 V for stable 5 V core operation |
| TI / TO | Test interface | Factory test pins; TI grounded during normal operation; TO used for internal diagnostics and debug output |
Key Features
| Feature | Design Value |
|---|---|
| Programmable input offset compensation | EEPROM-configurable DC01_CONST/DC12_CONST/DC20_CONST registers correct PCB-level coil asymmetry errors before DSP processing |
| Integrated LC oscillator | 2.0–5.0 MHz tunable excitation source with amplitude regulation and real-time monitoring for coil integrity verification |
| ASIL C safety architecture | Self-contained diagnostic coverage (LCO, supply, sensor inputs, outputs) enabling use as SEooC in ISO 26262-compliant systems without additional hardware monitors |
| Magnetic stray field immunity | Validated per ISO 11452-8 - maintains accuracy in presence of external magnetic fields up to 100 A/m, critical for EV traction inverters |
| Wide supply tolerance | Withstands −24 V to +24 V transients without latch-up or damage, eliminating need for external TVS in most 12 V/48 V automotive designs |
Applications
| Motor Position Sensing | Traction Motor Control |
|---|---|
Use Scenario: Real-time rotor angle feedback for field-oriented control (FOC) of BLDC and PMSM motors in electric powertrains. IC Role / Device Role / Timing Role: Primary absolute position sensor interfacing custom inductive coil assemblies mounted directly on motor shafts. Use Value: Enables >660,000 e-rpm operation with ±0.36° accuracy, supporting high-pole-count motors without resolvers or optical encoders. | Use Scenario: Closed-loop angle measurement in high-voltage traction inverters for battery-electric vehicles. IC Role / Device Role / Timing Role: ASIL C–compliant position interface providing fault-aware sine/cosine outputs to vehicle ECU. Use Value: Magnetic immunity and −40°C to +160°C operation ensure reliability near inverter heat sources and under electromagnetic noise. |
| Electric Power Steering (EPS) | e-Brake Booster |
Use Scenario: Torque-angle coordination in column-assist and dual-pinion EPS systems requiring fail-operational capability. IC Role / Device Role / Timing Role: Redundant or primary position sensor delivering differential analog outputs with safe-state indication. Use Value: On-chip diagnostics and High-Z safe state meet ASIL C requirements while reducing BOM count versus discrete monitor solutions. | Use Scenario: Pedal travel and actuator position feedback in electro-hydraulic brake boosters for ADAS and automated emergency braking. IC Role / Device Role / Timing Role: High-accuracy, high-speed inductive sensor replacing Hall-effect devices in safety-critical brake-by-wire subsystems. Use Value: Immunity to stray fields and extended temperature range eliminate drift-induced false triggering during aggressive braking events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar inductive position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90510GGO-AAA-100-SP | Same architecture but lower max speed (330,000 e-rpm); identical pinout, package, and EEPROM programming interface | Targeted at mid-speed EPS and HVAC blower motors; lacks qualification for highest-speed traction applications | Select when 330,000 e-rpm suffices and cost optimization is prioritized over top-end performance |
| AMS AS5055A-BQFT | Optical encoder IC with 12-bit resolution; requires target disk; no inductive coil interface or LCO; operates to +125°C only | Used in non-magnetic, clean-environment industrial servos; not suitable for under-hood automotive due to temperature and contamination limits | Choose only for non-automotive, low-EMI environments where optical targets are feasible and temperature stays ≤125°C |
Compared with MLX90517GGO-AAA-100-SP, the MLX90510GGO-AAA-100-SP offers identical integration and safety features at half the speed rating, while the AMS AS5055A-BQFT trades inductive robustness for optical precision in thermally benign settings-neither matches the MLX90517GGO-AAA-100-SP's combination of 160°C operation, magnetic immunity, and 660,000 e-rpm capability.
Availability
MLX90517GGO-AAA-100-SP is available at Aetrix Electronics and suitable for electric power steering (EPS), traction motor control, and e-brake booster applications requiring stable component supply, long-term automotive lifecycle support, and ASIL C–compliant position sensing.
Supply support for MLX90517GGO-AAA-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 markets, with core expertise in magnetic, inductive, and infrared sensing technologies.
The MLX90517 product line delivers high-speed, high-accuracy inductive position sensing for safety-critical automotive motion control, specifically engineered to replace resolvers and optical encoders in extreme-temperature, high-EMI environments.
FAQ
What is the maximum rotational speed supported by the MLX90517GGO-AAA-100-SP?
The MLX90517GGO-AAA-100-SP supports electrical rotational speeds up to 660,000 e-rpm, verified across its full operating temperature range (−40°C to +160°C). This enables direct sensing of high-pole-count motors without mechanical gearing, and the specification is validated per datasheet Table 9 under defined input signal envelope and AGC conditions.
Does the MLX90517GGO-AAA-100-SP require external components for basic operation?
Yes - the MLX90517GGO-AAA-100-SP requires an external 0.47 µF capacitor on VCAP, two external capacitors (CLCO) and one transmitting coil (LTx = 1–10 µH) for the LC oscillator, plus three receiving coils arranged in star topology. These are mandatory for signal excitation and acquisition; reference design values are provided in datasheet Figures 4 and 12.
How does the MLX90517GGO-AAA-100-SP achieve ASIL C compliance?
The MLX90517GGO-AAA-100-SP achieves ISO 26262 ASIL C as a Safety Element out of Context (SEooC) through integrated diagnostics: LCO frequency/amplitude monitoring, supply voltage supervision, sensor input integrity checks, output driver health verification, and automatic transition to High-Z safe state on fault detection - all implemented within the IC without external circuitry.
Can the MLX90517GGO-AAA-100-SP be used with single-ended outputs instead of differential?
Yes - the MLX90517GGO-AAA-100-SP supports both differential (SINP/SINN, COSP/COSN) and single-ended output configurations. However, differential mode is recommended for optimal EMC performance and signal integrity; single-ended use requires external termination and sacrifices noise rejection capability per datasheet Section 9.6.
What is the purpose of the TI and TO pins on the MLX90517GGO-AAA-100-SP?
The TI (Test Input) and TO (Test Output) pins on the MLX90517GGO-AAA-100-SP are factory test interfaces used during production testing and calibration. In normal operation, TI must be connected to GND; TO is left unconnected or grounded. They are not intended for end-user functionality and do not appear in standard application schematics per datasheet Figure 12.
MLX90517GGO-AAA-100-SP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- -
- Series:
- -
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- For Measuring:
- -
- Technology:
- -
- Rotation Angle - Electrical, Mechanical:
- -
- Linear Range:
- -
- Output:
- -
- Output Signal:
- -
- Actuator Type:
- -
- Linearity:
- -
- Resistance:
- -
- Resistance Tolerance:
- -
- Voltage - Supply:
- -
- Mounting Type:
- -
- Termination Style:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- -
MLX90517GGO-AAA-100-SP FAQ
1.How can I place an order for MLX90517GGO-AAA-100-SP through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90517GGO-AAA-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 MLX90517GGO-AAA-100-SP reliable?
The price and inventory of MLX90517GGO-AAA-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 MLX90517GGO-AAA-100-SP is usually 5 days.
3.What payment methods are accepted for MLX90517GGO-AAA-100-SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90517GGO-AAA-100-SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90517GGO-AAA-100-SP?
MLX90517GGO-AAA-100-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90517GGO-AAA-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 MLX90517GGO-AAA-100-SP?
For technical support, including MLX90517GGO-AAA-100-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90517GGO-AAA-100-SP requirements.
6.How does Aetrix verify that MLX90517GGO-AAA-100-SP is sourced from the original manufacturer or authorized distributors?
All MLX90517GGO-AAA-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 MLX90517GGO-AAA-100-SP meets industry standards.
7.What is the process for return or replacement of MLX90517GGO-AAA-100-SP?
All MLX90517GGO-AAA-100-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90517GGO-AAA-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 MLX90517GGO-AAA-100-SP part is unused and in its original packaging.
Return procedure for MLX90517GGO-AAA-100-SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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