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, and 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 and lowest acoustic noise.

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.

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

· Protections include Locked Rotor Protection, Temperature Shutdown, Over Voltage protection, Short circuit protection, and Current limit.

· 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

· Suitable for smart applications up to 35 W, including low noise fan and pump drivers.

· Ideal for adjusting existing fan- and pump-tooling to meet target operating points with high accuracy.

· Improves response time to new end-customer requests.