DESCRIPTION

· The MLX90412-K is a versatile motor driver operating from 3.5V to 32V, robust up to 40V, ideal for 12V and 24V systems, and portable applications with up to seven Li-ion cells (~29V).
· It supports a current limit of up to 2.2A, safely driving applications up to 35W without overheating risks.
· Features closed-loop speed control and adaptive low noise commutation for high efficiency and minimal acoustic noise.
· Simplifies design adjustments for existing fan and pump systems to meet precise operating points and enhances response to customer demands.

FEATURES

· All-in-one fan driver with a high-sensitivity Hall-effect sensor.
· Motor current up to 2.2A with adaptive commutation for optimal efficiency across all speeds.
· Offers commutation options for maximum torque and very low acoustic noise.
· Includes PWM control input, standby mode, and open/closed loop speed control (±1.5%).
· Comprehensive protections: Locked Rotor Protection, Temperature Shutdown, Over Voltage Protection, Short Circuit Protection, and Current Limit.
· Features FG/RD open drain diagnostics output and supports I2C programming for fast prototyping and end-of-line programming.
· Certified UL/VDE/CE ready and comes in a JEDEC qualified DFN10 3x3 package with a small footprint and minimal height.

APPLICATIONS

· Suitable for smart applications in fans, blowers, and pumps up to 35W.
· Ideal for systems operating from 12V and 24V power supplies and portable devices with up to seven Li-ion cells.