1A single coil fan driver for 5V/12V/24V/32V applications

MLX90411-consumer

The MLX90411 is a low-noise all-in-one single-coil fan driver IC with a 1 A drive capability, suitable for any fan, blower or pump applications
MLX90411-K: IT/Appliances/Industrial
MLX90411-L: Automotive

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Top features

  • All-in-one fan driver, including high-sensitivity Hall-effect sensor

  • Up to 1 A motor current

  • Integrated supply clamp: 20V and 40V versions

  • Adaptive commutuation for best in class efficiency for any fan/blower design, over it's full speed operating range

  • Commutation options

    • Maximum torque

    • Very low acoustic noise

  • PWM control input

    • Standby mode

    • Open-loop control with max duty cycle limitation setting

    • Closed loop speed control +/- 1.5%

  • Protections and diagnostics

    • Locked Rotor Protection (LRP) (Programmable)

    • Temperature Shutdown (TSD)

    • Over Voltage protection (OVP) (Programmable)

    • Short circuit protection (OCP)

    • Current limit (CL)

    • FG/RD open drain diagnostics output (Programmable)

  • Certifications MLX90411-K (consumer)

    • UL/VDE/CE ready

    • JEDEC qualified package

  • I2C programming

    • Fast prototyping

    • End-of-line programming

  • Package

    • Straight-lead SOT package (ZE)

    • Tiny UTDFN 2.5 x 2.0 x 0.4 mm (LD)

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1A single coil fan driver for 5V/12V/24V/32V applications - MLX90411-consumer

Product description

MLX90411-consumer refrigerator white goods The MLX90411 is a low-noise all-in-one single-coil fan driver IC with a 1 A drive capability, suitable for any fan, blower or pump applications

The MLX90411-K (IT/Appliances/Industrial) is optimised for 5V, 12V as well as 24V Consumer / IT / Appliance/ Industrial applications. It comes with a built-in Supply clamp at 20V for 5V and 12V applications, avoiding the need for TVS protection on the supply to handle any motor push back. A 40V Clamp version is available for 24V applications and Li-Ion portable applications up to 32V. Additionally a range of current limit options are available from 330mA up to 960mA for fan/pump applications up to 15W.

The MLX90411-L (automotive) can be found here.

The MLX90411 features several adaptive commutation control options for either lowest acoustic noise or highest efficiency. Both open loop and closed loop speed control is possible, with a wide range of dynamic (PI) settings. The device is programmable via an I2C interface and all options are configurable in the on-board EEPROM. Based upon 0.18 μm technology, the tiny MLX90411 is available in a straight-lead SOT package (-ZE package code) and a 2.5 x 2.0 x 0.4 mm UTDFN (LD package code) package.

Features and benefits

  • All-in-one fan driver, including high-sensitivity Hall-effect sensor

  • Up to 1 A motor current

  • Integrated supply clamp: 20V and 40V versions

  • Adaptive commutuation for best in class efficiency for any fan/blower design, over it's full speed operating range

  • Commutation options

    • Maximum torque

    • Very low acoustic noise

  • PWM control input

    • Standby mode

    • Open-loop control with max duty cycle limitation setting

    • Closed loop speed control +/- 1.5%

  • Protections and diagnostics

    • Locked Rotor Protection (LRP) (Programmable)

    • Temperature Shutdown (TSD)

    • Over Voltage protection (OVP) (Programmable)

    • Short circuit protection (OCP)

    • Current limit (CL)

    • FG/RD open drain diagnostics output (Programmable)

  • Certifications MLX90411-K (consumer)

    • UL/VDE/CE ready

    • JEDEC qualified package

  • I2C programming

    • Fast prototyping

    • End-of-line programming

  • Package

    • Straight-lead SOT package (ZE)

    • Tiny UTDFN 2.5 x 2.0 x 0.4 mm (LD)