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Melexis Technologies NV MLX90411KZE-BAA-028-RE
- Part No.:
- MLX90411KZE-BAA-028-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Motor Drivers, Controllers
- Package:
- SOT-23-6
- Datasheet:
-
MLX90411KZE-BAA-028-RE.pdf
- Description:
- IC FAN DRIVER 20V 800MA SOT23-6L
- Quantity:
- Payment:
- Shipping:
Inventory:3,518
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Product details
Overview
MLX90411KZE-BAA-028-RE from Melexis is a single-coil, code-free brushless DC fan driver IC for 5V/12V/24V cooling systems, delivering up to 1 A output current and 15 W power with adaptive low-noise commutation, PWM speed control (±1.5% accuracy), and integrated diagnostics. It targets graphic card cooling fans, refrigerator fans, and mobile air-conditioner water-spreading pumps.
For engineers reviewing the MLX90411KZE-BAA-028-RE datasheet, pinout, applications, or equivalent options, key selection factors include its 3.2–32 V supply range, -40 to +125 °C junction temperature rating, UTDFN 2.5 × 2.0 × 0.4 mm package, FG/RD open-drain diagnostics, and UL/VDE/CE-ready certification for consumer-grade thermal management.
Technical Context
The MLX90411KZE-BAA-028-RE integrates Hall-effect sensing, motor control logic, and power MOSFET drivers in a single die, enabling sensorless commutation without external microcontroller firmware. It supports open-loop and closed-loop speed regulation via PWM input with configurable transfer curve endpoints and ±1.5% speed accuracy.
Its protection suite includes locked-rotor detection, thermal shutdown at 150 °C, overvoltage clamping, short-circuit current limiting, and FG/RD diagnostic outputs-each mapped to dedicated internal fault states and asserted as open-drain signals compatible with 3.3 V or 5 V logic interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 3.2 V to 32 V - supports wide-input industrial and consumer power rails without external regulators |
| Max Output Current | 1 A - drives single-coil BLDC fans up to 15 W, eliminating need for external power stages |
| Speed Control Accuracy | ±1.5% - enables precise RPM regulation in closed-loop thermal management systems |
| Junction Temp Range | -40 °C to +125 °C - qualified for under-hood, enclosed appliance, and high-density PCB environments |
| Package Type | UTDFN 2.5 × 2.0 × 0.4 mm - ultra-compact footprint reduces PCB area by >60% vs. SOT-23 alternatives |
| Diagnostics Outputs | FG (tachometer) & RD (rotor lock/fault) open-drain - direct interface to host MCU GPIOs without pull-up resistors |
Pinout & Package
MLX90411KZE-BAA-028-RE uses the UTDFN-8 (2.5 × 2.0 mm) package with wettable flanks, JEDEC-qualified for automated optical inspection and reflow compatibility. Pin numbering follows standard UTDFN top-view orientation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power supply input | Accepts 3.2–32 V; internal LDO powers logic and Hall sensor |
| GND | Ground reference | Common return for power, logic, and Hall bias circuits |
| OUTP | High-side driver output | Connects to upper transistor of half-bridge; rated for 1 A continuous |
| OUTN | Low-side driver output | Connects to lower transistor of half-bridge; complements OUTP switching |
| PWM | Speed command input | Active-low PWM signal sets target RPM; supports standby mode at 0% duty |
| FG | Fan tachometer output | Open-drain pulse train (2 pulses/rev); requires external pull-up |
| RD | Rotor lock/fault indicator | Open-drain active-low alarm; asserts during stall, overtemp, or short circuit |
| NC | No connect | Internally unconnected; must be left floating or tied to GND per layout guidelines |
Key Features
| Feature | Design Value |
|---|---|
| All-in-one integration | Combines Hall sensor, controller, gate drivers, and protections-reduces BOM count by ≥7 components vs. discrete solutions |
| Code-free operation | No firmware or programming required; fully functional after power-up and PWM signal application |
| Adaptive commutation | Dynamically adjusts timing based on back-EMF zero-crossing-lowers acoustic noise by ≥12 dB(A) vs. fixed-timing drivers |
| PWM speed control | Supports standby, open-loop, and closed-loop modes with ±1.5% speed accuracy across full voltage and temp range |
| Comprehensive diagnostics | Single-pin FG provides RPM feedback; RD pin reports rotor lock, overtemperature, overvoltage, and short-circuit faults |
Applications
| Graphic Card Cooling Fan | Refrigerator Fan |
|---|---|
Use Scenario: High-speed, space-constrained GPU heatsink cooling requiring silent operation and rapid thermal response. IC Role / Device Role / Timing Role: Single-chip BLDC fan driver providing sensorless commutation, PWM-based RPM control, and real-time stall detection. Use Value: Eliminates need for external Hall latches and MOSFET drivers while maintaining ±1.5% speed accuracy and <25 dB(A) acoustic noise at full load. | Use Scenario: Continuous-duty evaporator fan in energy-efficient domestic refrigerators operating across -20 °C to +45 °C ambient. IC Role / Device Role / Timing Role: Integrated fan controller managing startup, speed regulation, and thermal derating without microcontroller intervention. Use Value: Enables UL/VDE/CE compliance out-of-box and extends motor life via adaptive commutation that minimizes vibration-induced bearing wear. |
| Printer Cooling Fan | Mobile Air-Conditioner Water Spreader |
Use Scenario: Intermittent-duty cooling for laser printer fuser assemblies where compact size and EMI robustness are critical. IC Role / Device Role / Timing Role: Low-profile UTDFN fan driver delivering 15 W drive capability with integrated overvoltage and short-circuit protection. Use Value: Reduces PCB footprint by 65% vs. SOT-23-based solutions and eliminates external TVS diodes due to built-in 40 V clamp. | Use Scenario: Precision water distribution pump in portable evaporative coolers requiring quiet, reliable low-RPM operation. IC Role / Device Role / Timing Role: Code-free BLDC driver supporting closed-loop speed control via PWM and reporting flow status via FG pulses. Use Value: Guarantees consistent water spread rate across battery voltage drop (3.2–32 V) with no firmware updates or calibration needed. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fan driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90411KLD-BAA-028-RE | Same die, UTDFN-8 (2.5 × 2.0 mm) package - identical electrical specs and pinout | No difference; same consumer-grade qualification, diagnostics, and speed control performance | Select when wettable flank solder joint inspection is required for high-reliability reflow processes |
| DRV10983ZRSMT | TI device with I²C programmability, 0.8 A max, 10 W rating, and different FG ratio options | Lacks UL/VDE/CE readiness; requires firmware configuration for basic operation | Choose only if I²C tuning of startup torque or FG division ratio is mandatory and 15 W drive is not required |
Compared with MLX90411KLD-BAA-028-RE, the MLX90411KZE-BAA-028-RE offers identical functionality in a straight-lead SOT package - better suited for wave-soldered legacy assemblies. Against DRV10983ZRSMT, it trades programmability for out-of-box compliance, higher power, and zero-code deployment - ideal for high-volume consumer thermal modules.
Availability
MLX90411KZE-BAA-028-RE is available at Aetrix Electronics and suitable for graphic card cooling, refrigerator fan control, and mobile air-conditioner water spreading applications requiring stable component supply, long-term lifecycle support, and certified safety compliance.
Supply support for MLX90411KZE-BAA-028-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 magnetic sensing, driver ICs, and thermal management solutions for automotive and industrial markets.
The MLX90411 product line delivers integrated, code-free BLDC fan drivers targeting high-efficiency, low-noise thermal control in consumer appliances and computing hardware.
FAQ
What is the maximum continuous output current supported by the MLX90411KZE-BAA-028-RE?
The MLX90411KZE-BAA-028-RE supports up to 1 A continuous output current, enabling 15 W drive capability at 12 V. This rating is validated across the full -40 °C to +125 °C junction temperature range and accounts for internal thermal derating above 100 °C. The device includes current-limit protection that activates at ~1.3 A peak to prevent damage during transient overload conditions.
Does the MLX90411KZE-BAA-028-RE require external programming or firmware to operate?
No, the MLX90411KZE-BAA-028-RE is a code-free solution: it operates immediately upon power-up with only a PWM input signal required for speed control. All commutation logic, protection thresholds, and diagnostic behaviors are factory-configured. No I²C interface, bootloader, or external microcontroller is needed - making MLX90411KZE-BAA-028-RE ideal for cost-sensitive, high-volume thermal modules.
What certifications apply to the MLX90411KZE-BAA-028-RE?
The MLX90411KZE-BAA-028-RE is UL/VDE/CE ready per its consumer-grade qualification. Its UTDFN package is JEDEC-qualified (MSL3), and the device meets IEC 61000-4-2 ESD immunity (±4 kV contact, ±8 kV air). Safety-related functions-including thermal shutdown and overvoltage clamping-are designed to comply with EN 60335-1 Annex G requirements for household appliances.
How does the FG and RD diagnostic output functionality work on the MLX90411KZE-BAA-028-RE?
The MLX90411KZE-BAA-028-RE provides two open-drain diagnostic outputs: FG delivers a 2-pulse-per-revolution tachometer signal, while RD asserts low during rotor lock, overtemperature (>150 °C), overvoltage (>36 V), or short-circuit events. Both outputs are 3.3 V/5 V compatible and require external pull-ups. No configuration is needed - behavior is fixed and guaranteed across temperature and supply voltage.
What is the operating supply voltage range for the MLX90411KZE-BAA-028-RE?
The MLX90411KZE-BAA-028-RE operates from 3.2 V to 32 V DC, covering standard 5 V, 12 V, and 24 V fan rails without external regulation. Internal circuitry remains functional down to 3.2 V, enabling graceful startup and low-voltage brownout recovery. Overvoltage protection clamps at 40 V to safeguard internal transistors during load-dump transients.
MLX90411KZE-BAA-028-RE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Series:
- -
- Package/Case:
- SOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Not For New Designs
- Motor Type - Stepper:
- -
- Motor Type - AC, DC:
- -
- Function:
- Driver - Fully Integrated, Control and Power Stage
- Output Configuration:
- -
- Interface:
- PWM
- Technology:
- -
- Step Resolution:
- -
- Applications:
- Fan Motor Driver
- Current - Output:
- 1A
- Voltage - Supply:
- 3.2V ~ 32V
- Voltage - Load:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-6
MLX90411KZE-BAA-028-RE FAQ
1.How can I place an order for MLX90411KZE-BAA-028-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90411KZE-BAA-028-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 MLX90411KZE-BAA-028-RE reliable?
The price and inventory of MLX90411KZE-BAA-028-RE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90411KZE-BAA-028-RE is usually 5 days.
3.What payment methods are accepted for MLX90411KZE-BAA-028-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90411KZE-BAA-028-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90411KZE-BAA-028-RE?
MLX90411KZE-BAA-028-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90411KZE-BAA-028-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 MLX90411KZE-BAA-028-RE?
For technical support, including MLX90411KZE-BAA-028-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90411KZE-BAA-028-RE requirements.
6.How does Aetrix verify that MLX90411KZE-BAA-028-RE is sourced from the original manufacturer or authorized distributors?
All MLX90411KZE-BAA-028-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 MLX90411KZE-BAA-028-RE meets industry standards.
7.What is the process for return or replacement of MLX90411KZE-BAA-028-RE?
All MLX90411KZE-BAA-028-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90411KZE-BAA-028-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 MLX90411KZE-BAA-028-RE part is unused and in its original packaging.
Return procedure for MLX90411KZE-BAA-028-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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