DESCRIPTION

· The MLX90412-K operates over a supply voltage range from 3.5 V to 32 V, robust up to 40 V.

· Suitable for fan, blower, or pump applications operating from 12 V and 24 V power supplies.

· Ideal for portable applications with up to seven Li-ion cells ~29 V.

· Can drive applications up to 35 W safely with a current limit up to 2.2A.

· Features closed-loop speed control and adaptive low noise commutation for industry standard efficiency.

· Reduces design effort to adjust existing fan- and pump-tooling for high accuracy and improved response time.

FEATURES

· All-in-one fan driver with high-sensitivity Hall-effect sensor.

· Up to 2.2 A motor current.

· Adaptive commutation for best-in-class efficiency over the full speed range.

· Commutation options: Maximum torque and very low acoustic noise.

· PWM control input with standby mode and open loop / closed loop speed control (+/-1.5%).

· Protections and diagnostics: Locked Rotor Protection (LRP), Temperature Shutdown (TSD), Over Voltage protection (OVP), Short circuit protection (OCP), Current limit (CL), FG/RD open drain diagnostics output.

· Certifications: UL/VDE/CE ready, JEDEC qualified package.

· I2C programming for fast prototyping and end-of-line programming.

· Exposed pad DFN10 3x3 with wetable flanks, small footprint (9mm2), and <1mm height.

APPLICATIONS

· Consumer low noise fan and pump driver for smart applications up to 35 W.

· Suitable for single-coil fan and pump driver applications.