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The MLX90411LD-BAA-029 is a low-noise, fully integrated single-coil fan driver with 1A current drive capability for any fan, blower or pump application. The chip is mainly aimed at automotive applications.

Product: MLX90411LD-BAA-029

Type: Motor driver

Package: UTDFN-6

The MLX90411 has a variety of adaptive commutation control options for minimum noise or maximum efficiency. The device is available in both open and closed loop speed control with a variety of dynamic (PI) Settings. The device can be programmed via an I2C interface, and all options can be configured via on-chip EEPROM. Based on 0.18μm technology, the MLX90411 is compact and comes in two packages, a straight-pin SOT package (package code ZE) and a 2.5mm x 2.0mm x 0.4mm UTDFN package (package code LD).

Features and Benefits:

Fully integrated fan driver, including high sensitivity Hall effect sensor

Up to 1A motor current

Integrated power clamp: 20V and 40V versions

Adaptive reversing ensures that any fan/blower design remains extremely efficient over the entire operating speed range

Commutation option

Maximum torque

Very low noise

PWM control input

Standby mode

Open loop control with maximum duty cycle limit Settings

Closed loop speed control +/- 1.5%

Protection and diagnosis

Locked-rotor Protection (LRP) (programmable)

Overheat shutdown (TSD)

Overvoltage Protection (OVP) (programmable)

Short Circuit Protection (OCP)

Current Limitation (CL)

FG/RD Open collector diagnostic output (programmable)

MLX90411K (Consumer) certification

Complies with UL/VDE/CE

Package meets JEDEC standard

I2C programming

Rapid prototyping

Final stage programming of production line

Package type

Straight SOT Package (ZE)

Micro UTDFN Package 2.5 x 2.0 x 0.4mm (LD)