MLX90418KLD-AAA-004-RE

$0.71

Description：1COIL FANDRIVER, NO-HALL, 12V, C
Series：-
Mfr：Melexis Technologies NV
Package：Tape & Reel (TR)

SKU:158974449c5c Category: Motor Drivers, Controllers Brand: Melexis Technologies NV

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Product introduction

Product Detailed Parameters

Description：1COIL FANDRIVER, NO-HALL, 12V, C
Series：-
Mfr：Melexis Technologies NV
Package：Tape & Reel (TR)
Motor Type - Stepper：-
Motor Type - AC, DC：-
Function：-
Output Configuration：-
Interface：-
Technology：-
Step Resolution：-
Applications：-
Current - Output：-
Voltage - Supply：-
Voltage - Load：-
Operating Temperature：-
Mounting Type：-
Package / Case：-
Supplier Device Package：-
Grade：-
Qualification：-

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MLX90418KLD-AAA-004-RE

Overview

The MLX90418KLD-AAA-004-RE is a single-coil BLDC fan driver from Melexis, designed for high-speed server applications. It operates on a 6.7 V to 18 V supply voltage with a 12 V output configuration. The device supports a configurable current limit up to 4.0 A and an 8.0 A braking current. It features a DFN-10 package (3.5x3 mm²) with exposed pad, rated for junction temperatures from -40°C to +150°C. Power dissipation reaches 30 W. The part includes blank OTP memory and is supplied in a reel.

Feature Summary

Sensorless single-coil architecture eliminating the need for Hall sensors
Configurable speed control via PWM input with programmable FG output
Integrated protection mechanisms including lock rotor, overcurrent, and thermal shutdown

Applications

High-speed server cooling fans
General 12V fans and pumps up to 30W
Replacement for traditional sensorless three-phase motor solutions

Procurement Notes

Verify the NRND status before integration, as this indicates the component is not recommended for new designs. Confirm that the blank OTP configuration meets specific application requirements without additional programming. Ensure the DFN-10 thermal pad soldering process aligns with the specified operating temperature range of -40°C to +150°C for reliable long-term performance.

Selection Notes

Select this driver when replacing complex three-phase BLDC systems with a simplified single-coil approach to reduce bill of materials costs. It is suitable for applications requiring speeds up to 40,000 RPM with two pole pairs. Choose this variant if the design requires a 12V system with a 4A current limit and does not require pre-programmed OTP data.

Part Context

This component belongs to the MLX90418 series, which targets the server market with efficient single-coil solutions. It replaces traditional three-phase motors to lower costs while supporting power scalability up to 30W for 4 cm and 6 cm server fans. The series emphasizes no-code plug-and-play functionality to accelerate production ramp-up.